Abstract: A method includes combining first components including at least one of CF2?CF—CF2—OSO2Cl or CF2?CF—CF2—OSO2CF3, a polyfluorinated compound having at least one ketone or carboxylic acid halide, and fluoride ion to provide a compound comprising at least one perfluorinated allyl ether group. A method includes combining second components including B(OSO2Cl)3 and hexafluoropropylene to provide CF2?CF—CF2—OSO2Cl. Another method includes combining second components including M(OSO2CF3)3 and hexafluoropropylene at a temperature above 0° C. to provide CF2?CF—CF2—OSO2CF3, wherein M is Al or B. The compound CF2?CF—CF2—OSO2Cl is also provided.

Abstract: The present disclosure relates to a sulfonated benzene compound emitting fluorescence by reaction with hydrogen peroxide, aqueous-dispersed fluorescent nanoprobes applicable for real-time detection of hydrogen peroxide, and a fluorescent nanoprobe fabrication method. The fluorescent nanoprobe contains the following sulfonated benzene compound and water.

Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes; a compound (A) which generates an acid by irradiation with actinic rays or radiation, wherein the acid is linked with a group represented by the following general formula (M) through covalent bonding. In the formula, Y1 and Y2 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, or an acyl group. Z represents a hydrogen atom or a substituent.

Abstract: A method for preparing a polymerizable monomer-dye compound is provided in which a monomer, a reactive dye, and base are combined under substantially anhydrous reaction conditions to form the polymerizable monomer-dye compound, wherein the monomer comprises a pendant reactive group that covalently links to the reactive dye to form the monomer-dye compound.

Abstract: Metal ligand-containing prepolymers, compositions containing metal ligand-containing prepolymers, methods of synthesizing metal ligand-containing prepolymers and the use of metal ligand-containing prepolymers in aerospace sealant applications are disclosed. The metal ligand-containing prepolymers have metal ligands incorporated into the backbone of the prepolymer. Cured sealant compositions comprising the metal ligand-containing prepolymers exhibit enhanced properties suitable for aerospace sealant applications.

Abstract: The present invention aims to provide an additive for a non-aqueous electrolyte solution with excellent storage stability capable of forming a stable SEI on the surface of an electrode to improve cell performance such as a cycle performance, a discharge/charge capacity, and internal resistance, when the additive is used for electrical storage devices such as non-aqueous electrolyte solution secondary cells and electric double layer capacitors. The present invention also aims to provide a non-aqueous electrolyte solution containing the additive for a non-aqueous electrolyte solution and to provide an electrical storage device using the non-aqueous electrolyte solution.

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: Object To provide a method for producing a bis-quaternary ammonium salt efficiently and a novel synthetic intermediate thereof. Solution The present invention relates to a method for producing a bis-quaternary ammonium salt represented by a general formula [3] which comprises reacting a disulfonic acid ester represented by a general formula [1] (in the formula, definitions of two R1's and T are as described in claim 1) with a tertiary amine represented by a general formula [2] (in the formula, definitions of R3 to R5 are as described in claim 1), and a disulfonic acid ester represented by a general formula [1?] (in the formula, two R16's represent independently a halogen atom or a C1-C3 fluoroalkyl group, and two m's represent independently an integer of 1 to 5).

Abstract: A catalytic process for the preparation of optically active compounds and their conversion thereafter to desired drug substances. In particular, the process relates to the preparation of (S)-3-(1-Dimethylamino-ethyl)-phenol using asymmetric catalytic reduction and transfer hydrogenation, thereby providing an improved route to forming drug substances such as rivastigimine and rivastigimine hydrogen tartrate.

Abstract: A compound represented by following formula (I): A-L-{D1-(E)q-D2-(B)m—Z1—R}p. In the formula, A represents a p-valent chain or cyclic residue; L represents a single bond or a divalent linking group; p represents an integer of 2 or more; D1 represents a carbonyl group (—C(?O)—) or a sulfonyl group (—S(?O)2—); D2 represents a carbonyl group (—C(?O)—), a sulfonyl group (—S(?O)2—), a carboxyl group (—C(?O)O—), a sulfonyloxyl group (—S(?O)2O—), a carbamoyl group (—C(?O)N(Alk)-) or a sulfamoyl group (—S(?O)2N(Alk)-); E represents a divalent group; and R represents a hydrogen atom, a substituted or non-substituted C8 or longer alkyl group, a perfluoroalkyl group or a trialkylsilyl group.

Abstract: The present invention includes compounds, pharmaceuticals and cosmetics having at least one (substituted phenyl)-propenal moiety. The compounds and compositions of the present invention are useful in the treatment or prevention of medical conditions including androgen associated conditions, androgen associated inflammation, a wound (the compounds assist with wound healing), acne, rheumatoid arthritis, psoriasis, rosacea, and alopecia; Kennedy's disease (spinal and bulbar muscular atrophy, or SBMA), polyglutamine-mediated motor neuron degeneration; cancers such as prostate cancer, bladder cancer, breast cancer, ovarian cancer, hepatocellular (liver) cancer, and pancreatic cancer; and other medical conditions described herein. Treatment of such medical conditions includes administering to an individual suffering from a medical condition describe herein, a therapeutically effective amount of any of the disclosed compounds, their derivatives, or pharmaceutical compositions thereof.

Abstract: The present invention relates to a nonaqueous electrolyte solution comprising a lithium salt and a nonaqueous organic solvent, wherein the nonaqueous electrolyte solution comprises a specific sulfonic acid ester.

Abstract: A catalytic process for the preparation of optically active compounds and their conversion thereafter to desired drug substances. In particular, the process relates to the preparation of (S)-3-(1-Dimethylamino-ethyl)-phenol using asymmetric catalytic reduction and transfer hydrogenation, thereby providing an improved route to forming drug substances such as rivastigimine and rivastigimine hydrogen tartrate.

Abstract: A catalytic process for the preparation of optically active compounds and their conversion thereafter to desired drug substances. In particular, the process relates to the preparation of (S)-3-(1-Dimethylamino-ethyl)-phenol using asymmetric catalytic reduction and transfer hydrogenation, thereby providing an improved route to forming drug substances such as rivastigimine and rivastigimine hydrogen tartrate.

Abstract: One embodiment includes methods of adding two sulfonic acid groups to molecules having at least two cyclic groups.

Abstract: The present disclosure relates to a sulfonated benzene compound emitting fluorescence by reaction with hydrogen peroxide, aqueous-dispersed fluorescent nanoprobes applicable for real-time detection of hydrogen peroxide, and a fluorescent nanoprobe fabrication method. The fluorescent nanoprobe contains the following sulfonated benzene compound and water.

Abstract: A radiation-sensitive resin composition includes a compound shown by a following general formula (A), a solvent and a resin having an acid-labile group. Each of R1 and R2 independently represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 25 carbon atoms. Each of X and Z independently represents a substituted or unsubstituted divalent hydrocarbon group having 1 to 25 carbon atoms. Y represents a single bond or the like. n represents an integer from 0 to 5.

Abstract: The invention relates to methods, compounds, and compositions for delivering 1,3-propanedisulfonic acid (1,3PDS) in a subject, preferably a human subject. The invention encompasses compounds that will yield or generate 1,3PDS, either in vitro or in vivo. The invention also relates to sulfonate ester prodrugs of 1,3PDS as well as Gemini dimmers and oligomers of 1,3PDS for the prevention or treatment of associated diseases and conditions.

Abstract: A photoacid generator which can generate an acid efficiently when energy was absorbed, is excellent in the developing property and can form fine patterns, and a cationic polymerization initiator excellent in curability are provided; and a resist composition and a cationically polymerizable composition using them are provided. An aromatic sulfonium salt compound represented by the General Formula (I) below: (wherein each of E1 to E4 independently represents a substituent represented by the General Formula (II) below or the General Formula (III) below). Preferably, in the General Formula (I), r and s are 0; m and n are 0; or n and r are 0, and more preferably, one of m and s in the General Formula (I) is 1.

Abstract: Object To provide a method for producing a bis-quaternary ammonium salt efficiently and a novel synthetic intermediate thereof. Solution The present invention relates to a method for producing a bis-quaternary ammonium salt represented by a general formula [3] which comprises reacting a disulfonic acid ester represented by a general formula [1] (in the formula, definitions of two R1's and T are as described in claim 1) with a tertiary amine represented by a general formula [2] (in the formula, definitions of R3 to R5 are as described in claim 1), and a disulfonic acid ester represented by a general formula [1?] (in the formula, two R16's represent independently a halogen atom or a C1-C3 fluoroalkyl group, and two m's represent independently an integer of 1 to 5).

Abstract: This invention relates to compounds of Formula (I), (II), or (III) as shown in the specification, which contain a 1,5-diphenylpenta-1,4-dien-3-one backbone. These compounds can be used to treat cancer, inflammatory disease, or autoimmune disease.

Abstract: The present invention provides a resin obtained by reacting a compound represented by the formula (I): wherein R1 represents a hydrogen atom or a C1-C6 alkyl group, R2, R3 and R4 each independently represents a C1-C6 alkyl group and R1, R2, R3, R4 and A1 are bonded to form a ring, A1 represents a C1-C20 saturated hydrocarbon group in which one or more —CH2— can be replaced by —O—, B1 and B2 each independently represent a C1-C6 alkylene group, L1 and L2 each independently represent a halogen atom, —O—CH?CH2, —O—CH?CH(CH3) or —O—SO2—R? in which R? represents a C1-C6 alkyl group or a C6-C20 aryl group, with a polyhydric phenol compound.

Abstract: A photoacid generator which can generate an acid efficiently when energy was absorbed, is excellent in the developing property and can form fine patterns, and a cationic polymerization initiator excellent in curability are provided; and a resist composition and a cationically polymerizable composition using them are provided. An aromatic sulfonium salt compound represented by the General Formula (I) below: (wherein each of E1 to E4 independently represents a substituent represented by the General Formula (II) below or the General Formula (III) below). Preferably, in the General Formula (I), r and s are 0; m and n are 0; or n and r are 0, and more preferably, one of m and s in the General Formula (I) is 1.

Abstract: A method for producing a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of a nickel compound, a ligand, a manganese salt and a metal reducing agent.

Abstract: A catalytic process for the preparation of optically active compounds and their conversion thereafter to desired drug substances. In particular, the process relates to the preparation of (S)-3-(1-Dimethylamino-ethyl)-phenol using asymmetric catalytic reduction and transfer hydrogenation, thereby providing an improved route to forming drug substances such as rivastigimine and rivastigimine hydrogen tartrate.

Abstract: The present invention provides a method of preparing a sulfonyl ether comprising the steps of: v) reacting a sulfonic acid with an anhydride, under continuous vacuum distillation conditions, to form a carboxysulfonate; vi) reacting the carboxysulfonate with an optionally substituted cycloalkane ring containing at least 3 heteroatoms to form a sulfonyl ether pre-mix comprising a sulfonyl ether and at least two additional reaction products each containing at least one ether linkage; vii) subjecting the pre-mix to continuous vacuum distillation conditions to remove at least some of the additional reaction products from the sulfonyl ether pre-mix to provide a crude sulfonyl ether product; and viii) purifying the crude sulfonyl ether product.

Abstract: The present invention is directed to a process for preparing certain hydroisoindoline compounds which are useful as neurokinin-1 (NK-1) receptor antagonists, and inhibitors of tachykinin and in particular substance P. The compounds are useful in the treatment of certain disorders, including emesis, urinary incontinence, depression, and anxiety.

Abstract: A quaternary onium aromatic sulfonate represented by the formula: wherein each R1 independently comprises substituted or unsubstituted, aliphatic or aromatic, hydrocarbyl, carbocyclic or heterocyclic radicals, each X is selected from the group consisting of phosphorus and nitrogen; wherein “a” has a value of 0, 1 or 2, and “b” has a value of 0 or 1 with the proviso that (a+b) is equal to 1 or 2; G1 is an aromatic group; E comprises a bis(carbonyloxyalkyl) polydiorganosiloxane, a bis(carbonyloxyaryl) polydiorganosiloxane, and an ether linkage; each Y1 independently comprises hydrogen, a monovalent hydrocarbon group, alkenyl, allyl, halogen, bromine, chlorine; nitro; and OR, wherein R is a monovalent hydrocarbon group; “q” represents any integer from and including zero through the number of positions on G1 available for substitution; “t” represents an integer equal to at least one; “s” represents an integer equal to either zero or one; and “u” represents any integer including zero; with the proviso that whe

Abstract: Sulfonate salts have the formula: R1SO3—CH(Rf)—CF2SO3?M+ wherein R1 is alkyl or aryl, Rf is H or trifluoromethyl, and M+ is a Li, Na, K, ammonium or tetramethylammonium ion. Onium salts, oximesulfonates and sulfonyloxyimides and other compounds derived from these sulfonate salts are effective photoacid generators in chemically amplified resist compositions.

Abstract: An organic material having a 6-member ring structure represented by the following formulae (I), wherein: ring A, ring B, and ring C each include substituted or un-substituted aromatic rings comprising 6 to 60 carbon atoms, or substituted or un-substituted heteroaromatic rings comprising 4 to 60 carbon atoms, and ring A and ring C form a fused aromatic or heteroaromatic structure; X is a carbon atom, a nitrogen atom, a sulfur atom, a silicon atom, an oxygen atom, a phosphorus atom, a selenium atom, or a germanium atom.

Abstract: A process for converting a carbonyl group within a substrate to a chiral alcohol moiety comprising reacting the carbonyl containing substrate with an organoaluminium reagent in the presence of a Group 5-12 transition metal based catalyst which is complexed with a chiral ligand; novel chiral ligands and organoluminium reagents, a chiral ligand or organoaluminium reagent for use in the process.

Abstract: The present invention relates to novel hexa-arm polyethylene glycol (6-arm PEG) and its derivatives. The core of 6-arm PEG derivatives is sorbitol and the end groups can be derivatized into many different reactive functionalities that are useful in conjugating with many different targets. The present invention also provides a biodegradable polymeric hydrogel-forming composition comprising the 6-arm PEG and its derivatives, and methods of using such 6-arm PEG derivatives as surgical or biological implants or sealants.

Abstract: Adhesion promoters for polymer coatings on metals are articulated into at least two head groups connected by a hydrocarbon spacer group. One head group reacts particularly well with polymer molecules. Other head groups form a durable bond with a metal surface. The length of the spacer group is such that a substance deposited in a substance layer on a metallic surface of a body or particle has hydrophobic properties. Suitable adhesion promoters can be sulfur compounds, amino compounds, hydroxyl or carbonyl compounds. A plastic composite body, a compound and a process of preparing a compound are also provided.

Abstract: Described are bis(perfluoro-n-alkane-sulfonate) compounds, methods for preparing these compounds and use of these compounds, for example as starting materials for the synthesis of chiral and phosphine ligands for transition metal catalysts.

Abstract: Spiro compounds of the formula I in which &psgr; is C, Si, Ge or Sn and K1 and K2 independently of one another are conjugated systems, are suitable as materials in nonlinear optics.

Abstract: Onium salts of arylsulfonyloxybenzenesulfonate anions with iodonium or sulfonium cations are novel. A chemically amplified resist composition comprising the onium salt as a photoacid generator is suited for microfabrication, especially by deep UV lithography because of many advantages including improved resolution, improved focal latitude, minimized line width variation or shape degradation even on long-term PED, minimized debris after coating, development and peeling, and improved pattern profile after development.

Abstract: A process for producing a binaphthol bistriflate, 2,2′-bis(trifluoromethanesulfonyloxy)-1,1′-binaphthyl, includes reacting 1,1′-bi-2-naphthol with trifluoromethanesulfonyl fluoride, in a polar solvent, in the presence of an organic base. The reaction proceeds quickly at a low temperature by using a polar solvent as the reaction solvent, while the reaction pressure does not become high. The polar solvent is preferably at least one selected from N,N-dimethylformamide, N,N-dimethylacetoamide, 1-methyl-2-pyrrolidinone, and acetonitrile.

Abstract: The present invention provides a linker binding carrier for organic synthesis represented by the formula: —Z—W—(SO2X)m wherein  is a carrier, X is a leaving group, Y is a bond or spacer, Z is a bivalent group, when Z is a bivalent electron attractive group, W is an aromatic ring which may be substituted and when Z is a bivalent non-electron attractive group, W is an aromatic ring which is substituted by an electron attractive group and may be further substituted and m is 1 or 2, or a salt thereof, which is useful for synthesizing a novel organic compound.

Abstract: Soluble poly(bis-9,9′-fluorenes) comprise identical or different structural repeating units of the formula I, where the two R1s are, independently of one another, H, C1-C18alkyl, C6-C14aryl, C7-C15aralkyl, C1-C18alkoxy, R2—(O—CnH2n)m—O—, C1-C18alkylthio, C1-C18dialkylamino, —C(O)OH, —C(O)O—C1-C18alkyl, —C(O)—N(C1-C18alkyl)2, —SO3H, —SO3—C1-C18alkyl, —SO2—N(C1-C18alkyl)2, C1-C17alkyl-C(O)—O— or C1-C17alkyl-C(O)—, R2 is H or C1-C12alkyl, n is from 2 to 6 and m is from 1 to 12. The polymers can be used either alone or in admixture with at least one additional fluorophore whose absorption band overlaps the emission band (fluorescent emission) of the polymer of the formula I as active radiative layer for light-emitting diodes, VDUs and display elements.

Abstract: This invention pertains to the discovery that condensation polymers of an aldehyde and aromatic sulfonic acids and fractions thereof, such as formaldehyde naphthalenesulfonic acid condensation polymers, can abrogate HIV gp120 binding to CD4, as demonstrated in CD4/gp120 binding assays. In addition to gp120 binding inhibition, the compounds have been shown to inhibit HIV-induced syncytia formation and infectivity of CD+ cells. The use of this compound has been shown to be non-cytotoxic and non-inhibitory to antigen induced T lymphocyte proliferation. Based on these findings, these compounds can be used as a therapeutic agent for the treatment of acquired immunodeficiency syndrome (AIDS), as well as AIDS-related complex (ARC), AIDS-related dementia and non-symptomatic HIV infection. The compounds can also be used to treat blood preparations.

Abstract: A novel aminium compound exhibiting excellent solubility for solvents and high safety in terms of handling and environment is provided. An aminium compound represented by the following formula (1): wherein R1 represents substituted or unsubstituted alkyl and A2− represents a divalent organic anion.

Abstract: A process for preparing chiral isomers of N-protected 2-azetidinemethanol compounds, particularly N-(phenylmethyl)-2-azetidinemethanol and N-BOC-2-azetidinemethanol, and especially the (R)-isomers thereof, as well as O-substituted derivatives thereof.

Abstract: This invention pertains to the discovery that condensation polymers of an aldehyde and aromatic sulfonic acids and fractions thereof, such as formaldehyde naphthalenesulfonic acid condensation polymers, can abrogate HIV gp120 binding to CD4, as demonstrated in CD4/gp120 binding assays. In addition to gp120 binding inhibition, the compounds have been shown to inhibit HIV-induced syncytia formation and infectivity of CD+ cells. The use of this compound has been shown to be non-cytotoxic and non-inhibitory to antigen induced T lymphocyte proliferation. Based on these findings, these compounds can be used as a therapeutic agent for the treatment of acquired immunodeficiency syndrome (AIDS), as well as AIDS-related complex (ARC), AIDS-related dementia and non-symptomatic HIV infection. The compounds can also be used to treat blood preparations.

Abstract: The instant invention provides dihydronaphthalene and naphthalene compounds, intermediates, formulations, and methods for use in the treatment of bone loss or bone resorption.

Abstract: Distillate fuel is treated with additives whose structure match the crystal planes of the wax which crystallizes from the fuel to produce crystals below 4000 nanometres in size, suitable additive include novel sulpho-carboxylic materials particularly their esters and amine derivatives such as the amine salts and/or amides of ortho-sulpho benzoic acid.

Abstract: Branched, dendrimeric-type macromolecules composed essentially of a central nucleus and of a series of polyoxaalkyl chains that depart from said nucleus and spread into the surrounding space branching in a cascade fashion useful as carriers of drugs, contrast agents, etc.

Abstract: Polymers containing spiro atoms which can be used as electroluminescence materials, suitable for use in ligerting or display devices, and which improve the property profile of these devices. Specifically, a conjugated polymer comprising structural units of the formula (I), ##STR1## where the symbols and indices have the following meanings: D, E, F.sup.1, G are identical or different, and are --CR.sup.1 R.sup.1 --, --O--, --S--, --NR.sup.3 -- or a chemical bond;Ar.sup.1, Ar.sup.2 are carbocycles or heterocycles;U.sup.1, V.sup.1 are identical or different, and are --CR.sup.5.dbd.CR.sup.6 --, --CR.sup.7 R.sup.8 --, --CR.sup.9 R.sup.10 --CR.sup.11 R.sup.12 --, --NR.sup.13 --, --SiR.sup.14 R.sup.15 --, --O--, --S--, --SO--, --SO.sub.2 --, --CO-- or a chemical bond;Ar.sup.5, Ar.sup.6, X, Y.sup.1 are identical or different, and are cyclic or acyclic, conjugated hydrocarbons and X and/or y.sup.1 can also be H or R.sup.

Abstract: Novel medicinally-useful compounds are provided herein. These compounds include isomeric cyclic tetramers of formaldehyde and 1-naphthol, and the derivatives or analogues of such cyclic tetramers, and linear oligomers of chromotropic acid, or its derivatives or analogues with naphthalene.

Abstract: Sulfonic acid esters are used as (a) compounds for forming a strong acid on irradiation in radiation-sensitive, positive or negative working mixtures also comprising (b) either a compound with at least one acid-decomposable C--O--C or C--O--Si bond (for positive working mixtures) or a compound with at least acid-cross-linkable groups (for negative working mixtures) and c) a binder which is insoluble in water but soluble or at least swellable in aqueous alkaline solutions, wherein said sulfonic acid esters are formula?R.sup.1 --CR.sup.2 (CF.sub.3)--O--SO.sub.2 --!.sub.n R.sup.3(I)orR.sup.1 ?--CR.sup.2 (CF.sub.3)--O--SO.sub.2 --R.sup.3 !m (II)wherein R.sup.1, R.sup.2, R.sup.3, n and n are defined with the body of the disclosure. These mixtures are particularly suitable for exposure to deep UV radiation in the formation of recording materials suitable for the production of photoresists, electronic components, and printing plates.

Abstract: Compounds and their pharmaceutically acceptable salts suitable for treating central nervous system disorders associated with the dopamine D3 receptor activity of Formula I: ##STR1## wherein R.sub.1 and R.sub.2 are independently chosen from hydrogen, C.sub.1 -C.sub.8 alkyl, OCH.sub.3, OH, OSO.sub.2 CF.sub.3, OSO.sub.2 CH.sub.3, SOR.sub.5, CO.sub.2 R.sub.5, CONH.sub.2, CONR.sub.5 R.sub.6, COR.sub.5, CN, SO.sub.2 NH.sub.2, SO.sub.2 NR.sub.5 R.sub.6, SO.sub.2 R.sub.5, --OCO--(C.sub.1 -C.sub.6 alkyl), --NCO--(C.sub.1 -C.sub.6 alkyl), --CH.sub.2 O--(C.sub.1 -C.sub.6 alkyl), --CH.sub.2 OH, --CO-Aryl, --NHSO.sub.2 -Aryl, --NHSO.sub.2 --(C.sub.1 -C.sub.6 alkyl), phthalimide, thiophenyl, pyrrol, pyrrolinyl, oxazolyl, or R.sub.1 and R.sub.2 together form --O(CH.sub.2).sub.1-2 O-- or --(CH.sub.2).sub.3-6 -- (except that only one of R.sub.1 and R.sub.2 can be hydrogen or OH in any such compound); R.sub.3 and R.sub.4 are independently chosen from C.sub.2 -C.sub.4 alkenyl, C.sub.3 -C.sub.8 alkynyl, C.sub.3 -C.sub.