Abstract: Provided is a novel production method capable of easily producing a methylene disulfonate compound. The method for producing a methylene disulfonate compound comprises reacting a specific sulfonic acid compound with a formaldehyde compound in the presence of sulfur trioxide.

Abstract: The present invention can provide a method for producing 1,2,3,5,6-pentathiepane, comprising Steps A and B: Step A: a step of synthesizing a tetrathiocarbonate in a protic solvent; and Step B: a step of carrying out reaction between the tetrathiocarbonate and a dihalogenated methane in a mixed solvent (where the mass ratio of a protic solvent and an aprotic solvent is 13:87-38:62).

Abstract: A compound of formula (I), formula (II), or a combination thereof, and salts thereof is described. Each A may be independently an optionally substituted conjugated species or an optionally substituted aromatic species. Each R may be independently an optionally substituted C1-C40 linear alkyl chain, an optionally substituted branched alkyl chain, an optionally substituted alkyl chain containing heteroatoms, substituted alkyl chains, or H. Each R2 may be independently an optionally substituted C1-C40 linear alkyl chain, an optionally substituted branched alkyl chain, an optionally substituted alkyl chain containing heteroatoms, substituted alkyl chains, H, or part of a cyclic boronate ester with an other R2. Each n may be independently less than or equal to 3 and greater than or equal to 1. Each x may be independently less than or equal to 3.

Abstract: A pseudorotaxane, a rotaxane and a catenane are provided. The pseudorotaxane includes at least a macrocyclic host molecule, a guest molecule, and a metal ion. The host molecule contains at least a binding unit and an aromatic linking spacer. The guest molecule has at least a recognition unit. The metal ion is used to template the threading of the guest molecule through the macrocycle host molecule by coordinating to a binding pocket formed from the binding unit of the macrocycle and the recognition moiety of the guest molecule. Rotaxanes or catenanes can be synthesized from the pseudorotaxane complexes, with or without the metal template ion in their molecular structures.

Abstract: The invention relates to a radically polymerizable monomer of formula (I) wherein W1 and W2 in each case independently represent H or X—R—Y—PG, wherein at least one of W1 and W2 represents X—R—Y—PG, X in each case independently is missing or represents an ether, ester, amide, urethane or urea group, Y in each case independently is missing or represents an ether, ester, amide, urethane or urea group, R in each case independently is missing or represents a C1-C16 alkylene radical which can be interrupted by one or more O atoms, wherein R can be missing only if X and/or Y is simultaneously also missing, and PG in each case independently represents a cyclic, ring-opening polymerizable group, a, b, c and d independently of each other can take the values 3 to 10.

Abstract: The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics in a broad temperature range, such as low-temperature cycle properties and low-temperature discharge properties after high-temperature storage, and provides an energy storage device using the nonaqueous electrolytic solution. The invention includes (1) a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, which comprises from 0.001 to 10% by mass of a compound represented by the following general formula (I), and (2) an energy storage device comprising a positive electrode, a negative electrode, and a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, wherein the nonaqueous electrolytic solution is the nonaqueous electrolytic solution of (1).

Abstract: It is an object of the present invention to provide a commercially advantageous method for producing a cyclic disulfonic acid ester with high yield, the present invention discloses a method for producing a cyclic disulfonic acid ester represented by the general formula (3), which comprises reacting a silver alkanedisulfonate represented by the general formula (1) with a dihaloalkane represented by the general formula (2) in a nonpolar solvent. Wherein X1 and X2 are each independently a chlorine atom, a bromine atom or an iodine atom; and Y and Z are each independently a substituted or unsubstituted alkylene chain which may have a heteroatom in the chain.

Abstract: The present invention relates to a polymerizable composition comprising at least one ethylenically unsaturated, polymerizable compound and at least one oxime sulfonate compound of the formula (I) QAaBbCc where a is 0, 1, 2, 3, 4 or 6, b is 0, 1, 2, 3, 4 or 6, and c is 0, 1, 2, 3, 4 or 6, where the sum of a+b+c is 1, 2, 3, 4 or 6 where (A) is a group (B) is a group (C) is a group where # denotes the point of attachment to Q; X is S or NR14 and Q, R1, R2, R3 and R14 are as defined in claim 1 and in the description. The present invention also relates to the use of the this composition, to novel oxime sulfonates and the use of the oxime sulfonates as thermal curing promoter.

Abstract: A new strategy to design container molecules is presented. Sulfonylcalix[4]arenes, which are synthetic macrocyclic containers, are used as building blocks that are combined with various metal ions and tricarboxylate ligands to construct metal-organic ‘super-containers’ (MOSCs). These MOSCs possess both endo and exo cavities and thus mimic the structure of viruses. The synthesis of MOSCs is highly modular, robust, and predictable.

Abstract: Provided are 1) a production process for an acrylic ester derivative capable of being a raw material of a polymer for obtaining a photoresist composition capable of forming a photoresist film which is excellent in a reactivity to acid and a heat stability and is less swollen in developing and which has a refractive index of preferably 1.72 or more in 193 nm and can be patterned, 2) an acrylic ester derivative obtained by the above production process and 3) alcohol and ester which are synthetic intermediates for the above acrylic ester derivative.

Abstract: The present invention provides a method for producing a methylene disulfonate compound including reacting, in the presence of an acid and a dehydrating agent, a formaldehyde compound with at least one salt of alkanedisulfonic acid selected from the group consisting of alkali metal salts of alkanedisulfonic acid and alkaline earth metal salts of alkanedisulfonic acid each represented by a specific formula. According to the method of the present invention, a methylene disulfonate compound can be obtained in a simple manner at low cost.

Abstract: Provided are a polymerizable compound shown below which is useful as a raw material for a polymer having less swelling in developing, a polymer obtained by polymerizing a raw material containing the above polymerizable compound, a photoresist composition which contains the above polymer and which is improved in LWR and an efficient production process for the polymerizable compound described above: wherein n represents an integer of 0 to 2; R1 represents a hydrogen atom, methyl or trifluoromethyl; R2, R3, R4, R5, R6, R7, R8, R9 and R10 represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or the like; W represents an alkylene group having 1 to 10 carbon atoms or the like; and Y1 and Y2 represent an oxygen atom or a sulfur atom.

Abstract: A shape-memory polymers comprising at least one monomer subunit represented by the following structural formula (1).

Abstract: The present invention provides a method for producing a methylene disulfonate compound including reacting, in the presence of an acid and a dehydrating agent, a formaldehyde compound with at least one salt of alkanedisulfonic acid selected from the group consisting of alkali metal salts of alkanedisulfonic acid and alkaline earth metal salts of alkanedisulfonic acid each represented by a specific formula. According to the method of the present invention, a methylene disulfonate compound can be obtained in a simple manner at low cost.

Abstract: There are described compounds of general formula (I) and isomeric forms thereof wherein n is 0, 1, 2 or 3, saturated or unsaturated; most preferably at least one of R1 to R5 represents halogen; at least one of R1, R2, R3, R4 and R5 is selected from —S—R or —COOR, or two or more Of R1-R5 comprise a linking group such as —S—(CH2)mS—, where m is 1, 2 or 3 and R is selected from alkyl having 1 to 5 carbon atoms, cycloalkyl having 3-6 carbon atoms, hydroxy, and aryl having 6 to 10 carbon atoms, such groups being optionally substituted, and when R1 is selected from —S—R, then at least one of R2, R3 and R5 is most preferably selected from halogen; and R1, R2, R3, R4 and R5 are otherwise the same or different and are selected from hydrogen, halogen, alkyl having 1 to 5 carbon atoms, electron donor groups such as alkoxy having 1-5 carbon atoms or hydroxy, electron acceptor groups selected from cyano, nitro, trifluoroalkyl or amide; alkylamino, benzoyloxy, nitroxy, phenyl or sulpho; and pharmacologically acceptable sal

Abstract: Described herein are compositions including heterocyclic organic compounds such as fused thiophene compounds, methods for making them, and uses thereof.

Abstract: Provided are 1) a production process for an acrylic ester derivative capable of being a raw material of a polymer for obtaining a photoresist composition capable of forming a photoresist film which is excellent in a reactivity to acid and a heat stability and is less swollen in developing and which has a refractive index of preferably 1.72 or more in 193 nm and can be patterned, 2) an acrylic ester derivative obtained by the above production process and 3) alcohol and ester which are synthetic intermediates for the above acrylic ester derivative.

Abstract: Provided are 1) a production process for an acrylic ester derivative capable of being a raw material of a polymer for obtaining a photoresist composition capable of forming a photoresist film which is excellent in a reactivity to acid and a heat stability and is less swollen in developing and which has a refractive index of preferably 1.72 or more in 193 nm and can be patterned, 2) an acrylic ester derivative obtained by the above production process and 3) alcohol and ester which are synthetic intermediates for the above acrylic ester derivative.

Abstract: A method for producing an oxidized cyclic phenol sulfide which comprises the step of oxidizing a cyclic phenol sulfide of the following formula (1) as a raw material: wherein R represents a straight or branched alkyl group having 1 to 6 carbon atoms, and m is an integer from 4 to 8, in a solvent(s) other than a halogenated hydrocarbon in an amount of 2 or more and less than 10 parts by weight per 1 part by weight of the cyclic phenol sulfide, with an oxidizing agent(s) to obtain an oxidized cyclic phenol sulfide of the following formula (2): wherein R represents a straight or branched alkyl group having 1 to 6 carbon atoms, m is an integer from 4 to 8, and n is 1 or 2.

Abstract: Fused thiophene (FT) compounds, FT polymers, FT containing articles, and methods for making and using the FT compounds and polymers thereof of the formulas, as defined herein.

Abstract: The object of the present invention is, in methods for producing cyclic phenol sulfides, to provide methods for producing a number of more macrocyclic products, which comprise the steps of producing a mixture of cyclic phenol sulfides from an inexpensive raw material in one step without inducing the reduction in yield of a cyclic quatromer; and easily separating and purifying a single component from the mixture of cyclic phenol sulfides. The present invention discloses methods for producing a cyclic phenol sulfide which comprises the step of reacting a phenol compound as a raw material, in a one-step reaction, with 1.7 to 2.5 molar equivalent of sulfur and 0.25 to 0.75 molar equivalent of an alkali metal reagent per 1 mol of the phenol compound to obtain a mixture of cyclic phenol sulfide wherein m=4 and at least one kind(s) of cyclic phenol sulfide wherein m=5 to 9, or each separate cyclic phenol sulfide comprised in the mixture.

Abstract: A method of making a synthetic organic receptor that specifically binds to a modified amino acid is carried out by: reacting a plurality of monomers in a dynamic combinatorial library in the presence of a protein or peptide to form a reaction product, the protein or peptide comprising a modified nucleic acid, with the reacting step carried out under conditions in which at least one oligomer that specifically binds to the modified amino acid is selectively amplified in the reaction product; and then isolating or identifying from the reaction product at least one oligomer that specifically binds to the modified amino acid.

Abstract: The invention relates to compounds with the formula (II), where R is a C1- to C30-alkyl group, a C2- to C30-alkenyl group, a C6- to C18-aryl group, or a C7- to C30-alkylaryl group, AO is a C2-C4-alkoxy group, x is a number from 1 to 50, m is a number between 4 and 12, and to the use thereof in quantities of 0.0001 to 5% by weight relative to the oil content of the emulsion to be demulsified, for splitting water in oil emulsions.

Abstract: The present application discloses derivatives of ethylene methanedisulfonate as cancer chemotherapeutic agents and methods of synthesizing such derivatives. The derivatives include modifications of ethylene methanedisulfonate by replacing one or both of the chemically most reactive hydrogens of the cyclic sulfonate ester structure. The derivatives of ethylene methanedisulfonate are more active than the parent ester (i.e., ethylene methanedisulfonate) as anticancer agents against a variety of cancers.

Abstract: The invention relates to a radically polymerizable monomer of formula (I) wherein W1 and W2 in each case independently represent H or X—R—Y—PG, wherein at least one of W1 and W2 represents X—R—Y—PG, X in each case independently is missing or represents an ether, ester, amide, urethane or urea group, Y in each case independently is missing or represents an ether, ester, amide, urethane or urea group, R in each case independently is missing or represents a C1-C16 alkylene radical which can be interrupted by one or more O atoms, wherein R can be missing only if X and/or Y is simultaneously also missing, and PG in each case independently represents a cyclic, ring-opening polymerizable group, a, b, c and d independently of each other can take the values 3 to 10.

Abstract: The present invention relates to novel compounds of general formula (I), their regioisomers, tautomeric forms, novel intermediates involved in their synthesis. The present invention also relates to a process of preparing compounds of general formula (I), their regioisomers, their tautomeric forms, their pharmaceutically acceptable salts, pharmaceutical compositions containing them, and novel intermediates involved in their synthesis.

Abstract: The disclosure provides metal organic frameworks useful for sensing, gas sorption, microelectronics and switches.

Abstract: Fused thiophene (FT) compounds, FT polymers, FT containing articles, and methods for making and using the FT compounds and polymers thereof of the formulas, as defined herein.

Abstract: The invention features dental compositions comprising at least one hybrid monomer that comprises a cyclic allylic sulfide moiety attached to a (meth)acryloyl moiety. These two functional moieties are typically joined either directly to each via a chemical bond or through some chemical structure or spacer molecule. The composition may optionally contain additional polymerizable compounds, such as ethylenically unsaturated compounds, that are typically used in dental compositions.

Abstract: The present invention discloses a method for continuously producing an oxidized cyclic phenol sulfide which comprises the continuous steps of reacting a para-alkyl phenol compound as a raw material with 1.7 to 2.5 molar equivalent of sulfur and 0.25 to 0.75 molar equivalent of an alkali metal reagent per 1 mol of the phenol compound (the first step); and oxidizing a cyclic phenol sulfide of the formula (2) produced by the above reaction with an oxidizing agent(s) in the same reactor as that of the first step and without taking the cyclic phenol sulfide out of the reactor; wherein R represents a straight or branched alkyl group having 1 to 6 carbon atoms, and m is an integer from 4 to 8, to obtain an oxidized cyclic phenol sulfide of the formula (3) (the second step): wherein R represents a straight or branched alkyl group having 1 to 6 carbon atoms, m is an integer from 4 to 8, and n is 1 or 2.

Abstract: Provided are 1) a production process for an acrylic ester derivative capable of being a raw material of a polymer for obtaining a photoresist composition capable of forming a photoresist film which is excellent in a reactivity to acid and a heat stability and is less swollen in developing and which has a refractive index of preferably 1.72 or more in 193 nm and can be patterned, 2) an acrylic ester derivative obtained by the above production process and 3) alcohol and ester which are synthetic intermediates for the above acrylic ester derivative.

Abstract: Provided are a polymerizable compound shown below which is useful as a raw material for a polymer having less swelling in developing, a polymer obtained by polymerizing a raw material containing the above polymerizable compound, a photoresist composition which contains the above polymer and which is improved in LWR and an efficient production process for the polymerizable compound described above: wherein n represents an integer of 0 to 2; R1 represents a hydrogen atom, methyl or trifluoromethyl; R2, R3, R4, R5, R6, R7, R8, R9 and R10 represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or the like; W represents an alkylene group having 1 to 10 carbon atoms or the like; and Y1 and Y2 represent an oxygen atom or a sulfur atom.

Abstract: This invention is directed to selenophene compounds, selenophene-based polymers (polyselenophene), processes for the preparation of the same and uses thereof. The polyselenophenes of this invention have high conductivity and can be used as electrodes in various devices such as in electrochromic devices, batteries, solar cells, optical amplifiers, organic light emitting diodes, and the like.

Abstract: The present invention provides a process for producing a methylene disulfonate compound in a simple manner at low cost. The present invention provides a process for producing a methylene disulfonate compound represented by General Formula (2) comprising: reacting, in the presence of a dehydrating agent, a formaldehyde compound with a sulfonic acid compound represented by General Formula (1): wherein R1 and R2 are independently a hydrogen atom or a C1-4 alkyl group whose hydrogen atom may be substituted with halogen atom; n is an integer from 1 to 4; and when n is an integer from 2 to 4, n R1s and n R2s may be the same or different: wherein, R1, R2, and n are the same as those described above for General Formula (1).

Abstract: The present invention discloses an oxidized mixed cyclic phenol sulfide which is a mixture of the oxidized cyclic phenol sulfide wherein m is 8 and the oxidized cyclic phenol sulfide wherein m is an integer other than 8, the oxidized cyclic phenol sulfide being represented by the following formula (1): wherein R is a straight or branched alkyl group having 1 to 6 carbon atoms, m is an integer from 4 to 9, and n is 1 or 2; or an oxidized cyclic phenol sulfide of formula (1) wherein m is 8. The present invention also discloses a charge control agent which comprises the above sulfide(s) as the active ingredient; and a toner which comprises the charge control agent, a coloring agent and a binder resin. This charge control agent is particularly useful for color toners, and it speeds up charging risetime, and has a high charge amount and charging characteristics excellent in environmental stability. Further, the charge control agent is safe since it does not have any problem with the waste regulations.

Abstract: The present invention provides a rare metal/platinum-group metal extractant, which has a completely new structure compared with the conventional rare metal/platinum-group metal extractant and which exhibits excellent extraction performance; it also provides a method for extracting rare metals and platinum-group metals using the extractant. The rare metal/platinum-group metal extractants of the present invention is the one to extract rare metals and platinum-group metals by contacting a solution, in which several kinds of rare metals and platinum-group metals are dissolved, with a solution in which a cyclic phenol sulfide of the following Formula (1) is dissolved to make the rare metals and platinum-group metals move into the cyclic phenol sulfide solution.

Abstract: The present invention discloses an oxidized mixed cyclic phenol sulfide which is a mixture of the oxidized cyclic phenol sulfide wherein m is 8 and the oxidized cyclic phenol sulfide wherein m is an integer other than 8, the oxidized cyclic phenol sulfide being represented by the following formula (1): wherein R is a straight or branched alkyl group having 1 to 6 carbon atoms, m is an integer from 4 to 9, and n is 1 or 2; or an oxidized cyclic phenol sulfide of formula (1) wherein m is 8. The present invention also discloses a charge control agent which comprises the above sulfide(s) as the active ingredient; and a toner which comprises the charge control agent, a coloring agent and a binder resin. This charge control agent is particularly useful for color toners, and it speeds up charging risetime, and has a high charge amount and charging characteristics excellent in environmental stability. Further, the charge control agent is safe since it does not have any problem with the waste regulations.

Abstract: Compounds of formula I, process for making same, and cosmetic compositions and methods of skin lightening using compounds of formula I as skin lightening agents: Where each A1 and/or A2 independently is ?H or COR, CO2R, CONHR, the latter three having the following formula A: where R?C1-C18 saturated or unsaturated, linear or branched, hydrocarbon; and each Y1 and/or Y2 independently is H; C1-C18 saturated or unsaturated hydrocarbon; or OZ, where Z=H or COR1, CO2R1, CONHR1 of formula B: and where R1?C1-C18 saturated or unsaturated, linear or branched, hydrocarbon; X is Carbon, Nitrogen, Sulfur, or Oxygen; and N is in integer between 0 and 2.

Abstract: The present invention provides an optical recording composition comprising a compound denoted by general formula (I) and a holographic recording medium comprising a recording layer, wherein the recording layer comprises a compound denoted by general formula (I). In general formula (I), R1 denotes a hydrogen atom or an alkyl group, and Z1 denotes an atom group, the atom group forming a ring structure with a sulfur atom and a carbon atom which are adjacent to the atom group, and a carbon atom bonded to the sulfur atom.

Abstract: An object of the present invention is to provide a novel sulfur-containing cyclic olefin resin having high transparency and high refractive index and being expected to utilization to optical materials such as various plastic lenses represented by a condensing lens, prism sheets, antireflective films, transparent coating materials such as an optical fiber coating material, optical films and the like, and its production method. The present invention relates to a sulfur-containing cyclic olefin resin comprising a unit represented by the following general formula (1) and having a weight average molecular weight of from 1,000 to 1,000,000.

Abstract: The present invention discloses an oxidized mixed cyclic phenol sulfide which is a mixture of the oxidized cyclic phenol sulfide wherein in is 8 and the oxidized cyclic phenol sulfide wherein m is an integer other than 8, the oxidized cyclic phenol sulfide being represented by the following formula (1): wherein R is a straight or branched alkyl group having 1 to 6 carbon atoms, m is an integer from 4 to 9, and n is 1 or 2; or an oxidized cyclic phenol sulfide of formula (1) wherein m is 8. The present invention also discloses a charge control agent which comprises the above sulfide(s) as the active ingredient; and a toner which comprises the charge control agent, a coloring agent and a binder resin. This charge control agent is particularly useful for color toners, and it speeds up charging risetime, and has a high charge amount and charging characteristics excellent in environmental stability. Further, the charge control agent is safe since it does not have any problem with the waste regulations.

Abstract: The present invention discloses a mixed cyclic phenol sulfide which is a mixture of the cyclic phenol sulfide wherein m is 8 and the cyclic phenol sulfide wherein m is an integer other than 8, the cyclic phenol sulfide being represented by the following formula (1): wherein R is a straight or branched alkyl group having 1 to 6 carbon atoms, and m is an integer from 4 to 9; or a cyclic phenol sulfide of formula (1) wherein m is 8. The present invention also discloses a charge control agent which comprises the above sulfide(s) as the active ingredient; and a toner which comprises the charge control agent, a coloring agent and a binder resin. This charge control agent is particularly useful for color toners, and it speeds up charging risetime, and has a high charge amount and charging characteristics excellent in the environmental stability. Further, the charge control agent is safe since it does not have any problem with the waste regulations.

Abstract: The invention features dental compositions comprising at least one hybrid monomer that comprises a cyclic allylic sulfide moiety attached to a (meth)acryloyl moiety. These two functional moieties are typically joined either directly to each via a chemical bond or through some chemical structure or spacer molecule. The composition may optionally contain additional polymerizable compounds, such as ethylenically unsaturated compounds, that are typically used in dental compositions.

Abstract: An improved process for the preparation of cis-1,3-diols is described where a beta hydroxy ketone is treated with a trialkylborane or dialkylalkoxyborane or a mixture of a trialkylborane and a dialkylalkoxyborane followed by recovery and reuse of the alkylborane species to convert additional beta hydroxy ketone to the cis-1,3-diol.

Abstract: 1?-substituted cannabinoid derivatives of delta-8-tetrahydrocannabinol, delta-9-tetrahydrocannabinol, and delta-6a-10a-tetrahydrocannabinol that have affinity for the cannabinoid receptor type-1 (CB-1) and/or cannabinoid receptor type-2 (CB-2). Compounds having activity as either agonists or antagonists of the CB-1 and/or CB-2 receptors can be used for treating CB-1 or CB-2 mediated conditions.

Abstract: A compound capable of giving optical materials that may be high in both refractive index and Abbe's number and may be excellent in heat resistance and transparency, and a process that may produce the same with good efficiency are disclosed. The compound may be a cyclic disulfide compound including a structure represented by the following general formula (1) or (2) and having a sulfur content of from 50 to 85% by weight: wherein X represents a chain having carbon and/or sulfur as a skeleton, inclusive of cyclic ones; and the number of elements constituting X is from 1 to 4.

Abstract: The object of the invention is new complexes of derivatives of thiacalix[4]arenes having the formula: R1a, R2a, R3a, R4a, R1b, R2b, R3b et R4b are such as defined in claim 1 and their utilization, especially for manufacturing of materials having optical limiter properties.

Abstract: The present invention provides a class of sensors prepared from at least a first material having a positive temperature coefficient of resistance and a second non-conductive or insulating material compositionally different than the first material that show an increase sensitivity detection limit for polar and non-polar analytes. The sensors have applications in the detection of analytes in the environment, associated with diseases and microorganisms.

Abstract: Methylene dithiepane silanes according to Formula I in which R1 is a saturated or unsaturated aliphatic or alicyclic hydrocarbon radical with 1 to 10 carbon atoms, which can be interrupted by one or more oxygen and/or sulphur atoms and can contain one or more ester, carbonyl, amide and/or urethane groups, or is an aromatic or heteroaromatic hydrocarbon radical with 6 to 18 carbon atoms, the hydrocarbon radicals being able to be substituted or unsubstituted; R2 has one of the meanings given for R1 or is absent; R3 has one of the meanings given for R1 or is absent; R4 is equal to —(CHR6)n—, —Y—CO—NH—(CHR6)n—, —Y—CO—NH—R5—, —(CHR6)n—S—R5—, —S—R5—, —CO—O—R5— or is absent, with n being equal to 1 to 4, R6 is hydrogen, C1 to C10 alkyl or C6 to C10 aryl, R5 has one of the meanings given for R1 and Y stands for an O or S atom or is absent; with R5 and R6 being abl

Abstract: The object of the invention is new complexes of derivatives of thiacalix[4]arenes having the formula: 1