Abstract: Acetylene derivatives of the general formula I ##STR1## where U, V and W are hydrogen, halogen, nitro, cyano, alkyl or alkoxy,A is alkylidene, alkoxymethylidene, alkylthiomethylidene or alkoximino,B is OH, alkoxy or alkylamino andR is hydrogen, halogen, cyano, CF.sub.3, alkyl, cycloalkyl, haloalkyl, aryl, alkenyl, alkynyl, heterocyclyl, hetaryl, arylalkyl, arylalkenyl, arylethynyl, hetaryl-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, aryloxyalkyl, hetaryloxyalkyl, arylamino-alkyl, arylthiomethyl, hetarylthiomethyl, C(O)R.sup.1, C(O)NR.sup.2 R.sup.3, C(S)NR.sup.4 R.sup.5, C(O)SR.sup.6, C(S)OR.sup.7, C(S)SR.sup.8, CH(OH)R.sup.9, CH(OR.sup.10)R.sup.11, SiR.sup.12 R.sup.13 R.sup.14, SnR.sup.15 R.sup.16 R.sup.17, C(OR)R.sup.18 or C(.dbd.N--OR.sup.19)R.sup.20 andR.sup.1 -R.sup.17, R.sup.19 and R.sup.20 are hydrogen, alkyl, aryl, hetaryl, arylalkyl or hetarylalkyl and R.sup.18 is OH, C.sub.1 -C.sub.4 -alkoxy or aryl-C.sub.1 -C.sub.4 -alkoxy, and fungicides containing these compounds.

Abstract: The present invention is directed to a process for preparing formoterol and related compounds and derivatives thereof and their pharmacologically and pharmaceutically acceptable fumarate salts and/or solvates. The present invention is also directed to certain formoterol related compounds per se.

Abstract: A novel phenylalkanoic acid derivative represented by the following formula ##STR1## wherein n is an integer of 1-2, X is a halogen atom, alkoxyl group or nitro group, R is a hydrogen atom or alkyl group, and Z is a hydrogen atom or acyl group,a method for producing said derivative, a method for separating the optical isomers of said derivative from each other, as well as an anti-inflammatory drug, analgesic drug or preparation for external use each containing said derivative.

Abstract: There are provided aryloxybenzene compounds of formula I ##STR1## Further provided are compositions and methods comprising those compounds for the control of undesirable plant species.

Abstract: There are described new 1-alkoxyhexatriene-2-carboxylates of the formula (I) ##STR1## in which R represents substituted phenyl,and a plurality of processes for their preparation.The new 1-alkoxyhexytriene-2-carboxylates are used as pesticides.

Abstract: A phenylalanine-glycine compound of formula (I): ##STR1## wherein R represents a residue of an antitumor substance, or a salt or ester thereof, a process for preparation thereof, and a pharmaceutical composition containing the same are described. The novel conjugate of the phenylalanine-glycine compound and the antitumor substance exhibits superior antitumor activity in comparison with the case wherein an antitumor substance is administered alone or as a mixture with phenylalanine.

Abstract: Cyclohexenone oxime ethers of the general formula I ##STR1## where R.sup.1 is C.sub.1 -C.sub.6 -alkyl, A is substituted or unsubstituted C.sub.4 -alkylene or C.sub.4 -alkenylene,x is nitro, cyano, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, substituted or unsubstituted benzyloxycarbonyl and/or phenyl,n is from 0 to 3 or from 1 to 5 when X is halogen,R.sup.2 is C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.4 -alkylthio-C.sub.1 -C.sub.6 -alkyl, substituted or unsubstituted C.sub.3 -C.sub.7 -cycloalkyl or C.sub.5 -C.sub.

Abstract: .alpha.-arylacrylic acid derivatives of the general formula I ##STR1## where X is ethylene or ethenylene; Y is a direct bond or oxygen;R.sup.1 is a mononuclear or dinuclear aromatic system substituted by C.sub.1 -C.sub.4 -alkyl, their preparation, insecticides and fungicides containing them and methods for their use.

Abstract: A new process for preparing aryl-substituted aliphatic carboxylic acids is provided. Aryl-substituted aliphatic ether or thioether compound is reacted with carbon monoxide in aqueous conditions at a temperature between about 25.degree. C. and about 200.degree. C. An acid such as hydrochloric acid may be added. As catalyst, a mixture of palladium or a palladium compound and a copper compound with at least one acid-stable ligand are present.

Abstract: Certain novel biaryl compounds are effective phospholipase A.sub.2 (PLA.sub.2) inhibitors.

Abstract: O-Benzyloxime ethers of the formula I ##STR1## where X is substituted or unsubstituted CH.sub.2, NOalkylY isO, S, NR.sup.5R.sup.1, R.sup.2, R.sup.5 are H, alkylZ.sup.1, Z.sup.2 are H, halogen, methyl, methoxy, cyanoR.sup.3, R.sup.4 are hydrogen, cyano, substituted or unsubstituted alkyl, alkenyl, cycloalkyl, cycloalkenyl, alkynyl, alkoxy, haloalkoxy, alkylthio, benzylthio, alkylcarbonyl, substituted or unsubstituted phenylcarbonyl, substituted or unsubstituted benzylcarbonyl, alkoxycarbonyl, substituted or unsubstituted phenoxycarbonyl, substituted or unsubstituted benzyloxycarbonyl,N(R.sup.6).sub.2, where R.sup.6 is H, alkyl, substituted or unsubstituted phenyl,--CO--N(R.sup.7).sub.2, where R.sup.

Abstract: The invention relates to compounds of the formula ##STR1## R is hydrogen, lower alkyl, --(CH.sub.2).sub.2 N(R.sub.3).sub.2 or --CH.sub.2 OOCR.sub.3 wherein R.sub.3 is lower alkyl;R.sub.1 is CH.sub.3 (CH.sub.2).sub.n --, wherein n is 0-17, or R.sub.4 (CH.sub.2).sub.p --, wherein p is 2-18 and R.sub.4 is 1- or 2-naphthyloxy, 2,3- or 3,4-dihydroxyphenyl, phenyl, phenoxy, or substituted phenyl or phenoxy wherein the substituent is selected from the group consisting of hydroxy, benzyloxy, methylsulfinyl, methylsulfonyl or phenyl;R.sub.2 is R.sub.4 (CH.sub.2).sub.p --, 1-adamantyl--CO-- or diphenylmethyl--CO--, and, when R is hydrogen, pharmaceutically acceptable salts with bases.The compounds of formula I are potent inhibitors of phospholipases A.sub.2 (PLA.sub.2 's) and are therefore useful in the treatment of diseases, such as psoriasis, inflammatory bowel disease, asthma, allergy, arthritis, dermatitis, gout, pulmonary disease, myocardial ischemia, and trauma induced inflammation, such as spinal cord injury.

Abstract: This invention relates to compounds of formula: ##STR1## in which R.sub.1 represents a hydrogen atom or an alkyl or alkoxycarbonyl radical or an unsubstituted or substituted phenyl radical,R.sub.2 represents an alkyl (1-8 C) or polyfluoroalkyl radical or an unsubstituted or substituted cycloalkyl radical,R.sub.3 represents an unsubstituted or substituted phenyl radical, a naphthyl, indolyl, quinolyl or phenylamino radical in which the phenyl ring is optionally substituted, or a quinolylamino radical, andm is 0 or 1, the process for preparing them and the medicaments containing them.

Abstract: Amino acid derivatives of the general formula (I) ##STR1## are disclosed. The active compounds are suitable for use as plant protection agents, in particular as fungicides.

Abstract: 2-Nitroaryl or 2-cyanoaryl compounds of the formula ##STR1## pharmaceutical compositions thereof, intermediates useful in the preparation of these compounds, and methods for treating disorders of vascular smooth muscles or diseases of the cartilage, macrophages, neurons, platelets, bronchial smooth muscles, optic muscles and gastrointestinal smooth muscles, in addition to sickle cell anemia, diabetes, synovitis, chondroarthritis and osteoarthritis by employing these compounds.

Abstract: The preparation of 3-arylacrylic acids and their derivatives I ##STR1## where Ar is aryl which can additionally have substituents which do not react with ketene and are stable under the conditions of the reaction described below, andR.sup.1 is hydrogen, an alkali metal, an alkaline earth metal, ammonium or C.sub.1 -C.sub.20 -alkyl,comprises a first stage in which a dialkyl acetal of an aromatic aldehyde of the formula II ##STR2## where R.sup.2 is C.sub.1 -C.sub.4 -alkyl, is reacted with ketene of the formula CH.sub.2 .dbd.C.dbd.O in the presence of catalytic amounts of a protic or Lewis acid to give a 3-arylpropionic acid derivative of the formula III ##STR3## and a second stage in which this intermediate III is reacted in the presence of acid or base and, in the case where R.sup.1 is C.sub.1 -C.sub.20 -alkyl, additionally with a C.sub.1 -C.sub.20 -alkanol to give the final product I.

Abstract: Compounds having non-linear optical activity of the general formula ##STR1## wherein D and A are electron donor and acceptor groups, respectively, R.sup.1 and R.sup.2 are aromatic bridging groups, X and Y are preferably groups capable of partaking in polymerization reactions are suitable for use in polymer-based light modulator devices.

Abstract: The invention is an expedient route to synthesizing substituted or unsubstituted aryl-2-propenoic esters. The substituted or unsubstituted aryl-2-propenoic esters are useful in preparing optically active substituted or unsubstituted 2-arylpropanoic acids known to be active anti-inflammatory agents.

Abstract: Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein K is oxygen or sulphur; Z is optionally substituted aryl or optionally substituted heteroaryl; X is O, S(O).sub.n, NR.sup.4, CR.sup.1 R.sup.2 CHR.sup.5, CO, CR.sup.1 (OR.sup.2), C.dbd.CR.sup.1 R.sup.2, CHR.sup.1 CHR.sup.2, CR.sup.1 .dbd.CR.sup.2, CHR.sup.1 CR.sup.2 .dbd.CH, C.tbd.C, OCHR.sup.1, CHR.sup.1 O, OCHR.sup.1 O, S(O).sub.n CHR.sup.1 S(O).sub.n CHR.sup.1 O, CHR.sup.1 S(O).sub.n, CHR.sup.1 OSO.sub.2, NR.sup.4 CHR.sup.1, CHR.sup.1 NR.sup.4, CO.sub.2, O.sub.2 C, SO.sub.2 O, OSO.sub.2, CO.CO, COCHR.sup.1, COCHR.sup.1 O, CHR.sup.1 CO, CHOH.CHR.sup.1, CHR.sup.1.CHOH ##STR2## CONR.sup.4, OCONR.sup.4, NR.sup.4 CO, CSNR.sup.4, OCS.NR.sup.4, SCO.NR.sup.4, NR.sup.4 CO.sub.2, NR.sup.4 CS, NR.sup.4 CSO, NR.sup.4 COS, NR.sup.4 CONR.sup.4, S(O).sub.n NR.sup.4, NR.sup.4 S(O).sub.n, CS.sub.2, S.sub.2 C, CO.S, SCO, N.dbd.N, N.dbd.CR.sup.1, CR.sup.1 .dbd.N, CHR.sup.1 CHR.sup.2 CH(OH), CHR.sup.1 OCO, CHR.sup.1 SCO, CHR.sup.1 NR.sup.

Abstract: The present application discloses pesticidally active compounds of formula I:QQ.sup.1 CR.sup.1 .dbd.CR.sup.2 CR.sup.3 .dbd.CR.sup.4 C(.dbd.X.sup.1)NR.sup.5 R.sup.6or a salt thereof, wherein Q is an monocyclic aromatic ring, or Q is a dihalovinyl group or a group R.sup.7 --C.dbd.C-- where R.sup.7 is C.sub.1-4 alkyl, tri C.sub.1-4 alkylsilyl, halogen or hydrogen; Q.sup.1 is a 1,2-cyclopropyl ring optionally substituted by one or more groups selected from C.sub.1-3 alkyl, halo, C.sub.1-3 haloalkyl, alkynyl, or cyano; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different with at least one being hydrogen and the others being independently selected from hydrogen, halo, C.sub.1-4 alkyl or C.sub.1-4 haloalkyl; X.sup.1 is oxygen or sulphur; R.sup.5 is C.sub.1-8 hydrocarbyl optionally substituted, halo, cyano, trifluoromethyl, trifluoromethylthio or C.sub.1-6 alkoxy; and R.sup.6 is selected from:(A) --Y.dbd.X.sup.2 --(R.sup.8).sub.a where X.sup.2 is O or S, Y is carbon, R.sup.8 is hydrogen, C.sub.

Abstract: A new process for preparing aryl substituted aliphatic carboxylic acid esters is provided. A 1-aryl substituted aliphatic halo compound is reacted with carbon monoxide in the presence of an alcohol in anhydrous conditions at a temperature between about 25.degree. C. and about 200.degree. C. An excess of several moles of anhydrous alcohol is preferred. An acid such as hydrochloric acid may also be added. As catalyst, a mixture of palladium or a palladium compound and a copper compound with at least one acid-stable ligand are present.

Abstract: 15,16-Seco-19-nor progestins are provided which display elevated progestational activity with a minimum of ancillary hormonal activity. Processes for the preparation of the novel progestins are provided as are methods of use. A preferred method of use is in the suppression of ovulation in the human female.

Abstract: A catalytic process for preparing aryl substituted aliphatic carboxylic acid esters is disclosed. A 1-aryl substituted olefinic compound is reacted with carbon monoxide in the presence of an alcohol in anhydrous conditions at a temperature between about 25.degree. C. and about 200.degree. C. An excess of several moles of anhydrous alcohol is preferred. An acid such as hydrochloric acid may also be added. As catalyst, a mixture of a palladium compound and a copper compound is used with at least one acid-stable cyclic phosphine having the formula: ##STR1## where R' is the same or different than R" and is alkyl or aryl, said aryl, either substituted or unsubstituted, and Ar' is phenyl, naphthyl, substituted phenyl or substituted naphthyl and n is an integer from 3 to 6.

Abstract: A new process for preparing aryl substituted aliphatic carboxylic acid esters is provided. A 1-aryl substituted olefinic compound is reacted with carbon monoxide in the presence of an alcohol in anhydrous conditions at a temperature between about 25.degree. C. and about 200.degree. C. An excess of several moles of anhydrous alcohol is preferred. An acid such as hydrochloric acid may also be added. As catalyst, a mixture of a palladium compound and a copper compound with at least one acid-stable ligand are present.

Abstract: This invention relates to derivatives of acrylic acid useful as fungicides, to processes for preparing them, to fungicidal compositions containing them, and to methods of combating fungi, especially fungal infections in plants, using them.

Abstract: A new process for preparing aliphatic carboxylic acid esters is provided. A substituted aliphatic ether or thioether compound is reacted with carbon monoxide in the presence of an alcohol in anhydrous conditions at a temperature between about 25.degree. C. and about 200.degree. C. An excess of several moles of anhydrous alcohol is preferred. An acid such as hydrochloric acid may also be added. As catalyst, a mixture of palladium or a palladium compound and a copper compound with at least one acid-stable ligand are present.

Abstract: A new process for preparing alkyl esters of ibuprofen is provided. A 1-halo-1-(4-isobutylphenyl)ethane is reacted with carbon monoxide in the presence of an anhydrous alcohol at a temperature between about 10.degree. C. and about 200.degree. C. An excess of several moles of alcohol is preferred. An acid such as trifluoroacetic acid is also added. As catalyst, a palladium compound and at least one acid-stable ligand over palladium are present; however, an excess of ligand over palladium is advantageous.

Abstract: Propoxybenzene derivatives represented by the following formula ##STR1## wherein Ra represents a nitro group, an amino group which may have a protecting group or an --NHCH.dbd.C(COO--C.sub.1-6 -Alkyl).sub.2 group, Rb represents a hydrogen atom, a protecting group for the hydroxyl group or a substituted sulfonyl group and Xa and Xb, which may be the same or different, each represents a halogen atom, and processes for preparation thereof are disclosed. These derivatives are useful in preparing antibacterial agents.

Abstract: Compounds containing .alpha.-discarbonyl groups are rendered capable of fluorescent emission by conjugation with carboxylic acid-terminated ortho-diaminoaryl reagents. The carboxylic acid groups serve as ionizable moieties which facilitate the conjugation reaction, and are retained in the conjugation product to enable, or enhance the ability of, the conjugated compounds to be separated in chromatographic and electromigration separation processes, notably electrophoresis. Ortho-dinitro derivatives of the reagents are also disclosed, these derivatives offering the advantage of stability as well as the ability to be used directly in the reaction in the presence of a reducing agent.

Abstract: Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, nitro, or cyano; X.sup.1 is hydrogen, halo, or trihalomethyl; X.sup.2 is trihalomethyl or halo; Y is O, S, NH or NR.sup.1 ; R.sup.1 and R.sup.2 are the same or different radicals selected from hydrogen, alkyl, or mononuclear aralkyl; n is 1 to 5, and Z is carboxy, amino, mono- and dialkyl amino and when Z is carboxy; the agronomically acceptable salts, esters, thioesters and amides thereof, and compositions containing these compounds exhibit herbicidal activity.

Abstract: A process is disclosed that is useful for separating the enantiomers of a racemic mixture of an aliphatic carboxylic acid having the formula ##STR1## where R.sub.1 is hydrogen or alkyl, R.sub.2, R.sub.3 and R.sub.4 are independently different and are hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, phenyl, substituted phenyl, naphthyl, substituted naphthyl, heteroaryl, substituted heteroaryl, haloalkyl, alkoxyalkyl, alkylthioalkyl, phenylalkyl, substituted phenylalkyl, heteroalkylalkyl, substituted heteroalkylalkyl or cycloalkylalkyl.

Abstract: Aromatic compounds absorbing UVB and/or UVA, substituted with an amide function, selected from the group consisting of ##STR1## whose variable substituents are as defined in the specification, e.g. ##STR2## are useful as photoprotective agents or tanning accelerators.

Abstract: A process for producing a carboxylic acid ester, which comprises reacting an organic chloride having at least one chlorine atom on its ring of a substituted or unsubstituted, aromatic or heterocyclic hydrocarbon with carbon monoxide and an amine or an alcohol in the presence of a base by using as catalysts a palladium compound and a phosphine compound represented by the general formula (V):(R).sub.2 P--X--P(R).sub.2 (V)wherein R is an alkyl group or a substituted or unsubstituted phenyl group, and X is an alkylene group having 1 to 6 carbon atoms, ##STR1## or a binaphthyl group.

Abstract: Abstract of the Disclosure: .alpha.-Arylacrylic acid derivatives of the general formula I ##STR1## where X is ethylene or ethenylene;Y is a direct bond or oxygen;R.sup.1 is an unsubstituted or substituted mononuclear or dinuclear aromatic or heteroaromatic system;R.sup.2 is cyano, nitro, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio or haloalkylthio;n is 1 or 2, and the radicals may be different if n is 2, and(c m is 0, 1 or 2, and the radicals may be different if m is 2,with the proviso that R.sup.1 is not phenyl when n is 1 and m is 0, their preparation, insecticides and fungicides containing them and methods for their use.

Abstract: Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, nitroor cyano; X.sup.1 is hydrogen, halo, or trihalomethyl; R.sup.1 and R.sup.2 are hydrogen, alkyl phenyl or benzyl; n is 1 to 5, and Z is halo, cyano, nitro, trihalomethyl, methylthio, methylsulfinyl, methylsulfonyl, acetyl, phenyl, or heterocycle, and compositions containing these compounds exhibit herbicidal activity.

Abstract: Novel trisubstituted phenyl analogs are now found to have activity as for the treatment of congestive heart failure.

Abstract: Disclosed is a 3-(unsubstituted or substituted benzyl)-1-alkyl-2-oxocyclopentane carboxylic acid alkyl ester derivative as represented by the general formula (I): ##STR1## where R.sup.1 and R.sup.2 are each a lower alkyl group;X is a halogen atom, a cyano group, an alkyl group, a haloalkyl group, a phenyl group or a nitro group; andm is 0 or an integer from 1 to 5 and when m is greater than 1 each X can be the same or different.Further, disclosed is a method for the preparation of the compound (I) by carrying out the benzylation, rearrangement, and alkylation from the 2-oxocyclopentane carboxylic acid alkyl ester derivative without isolation of any intermediate compound. In addition, a fungicide is provided in which the 3-(unsubstituted or substituted benzyl)-1-alkyl-2-oxocyclopentane carboxylic acid alkyl ester derivatives (I) is contained as an active ingredient.

Abstract: This invention relates to intermediates and processes thereto, for the preparation of 5,6-dihydropyrro[2,3-d]pyrimidines which are useful for the treatment of susceptible neoplasms

Abstract: A new process for preparing aryl substituted aliphatic carboxylic acids or then alkyl esters is provided. A 1-aryl substituted olefin is reacted with carbon monoxide in the presence of water or an alcohol at a temperature between about 25.degree. C. and about 200.degree. C. An excess of several moles of water or alcohol is preferred. An acid such as hydrochloric acid may also be added. As catalyst, a mixture of a palladium compound and a copper compound with at least one acid-stable ligand are present.

Abstract: A process for obtaining a substantially pure enantiomer of an aryl-substituted aliphatic carboxylic acid is described. The process utilizes first an enantiomerically enriched mixture the of aryl-substituted aliphatic carboxylic acid obtained from kinetic resolution, diastereomeric crystallization or asymmetric synthesis processes. This enriched mixture is reacted with a base producing a salt that has the following properties:(1) has at least one eutectic point;(2) a composition that is not at the eutectic point; and(3) a eutectic composition that is closer to the racemic composition than is the eutectic composition of said aryl-substituted carboxylic acid.Substantially pure, enantiomeric salt is separated, leaving a mother liquor comprising the solvent and aryl-substituted aliphatic carboxylic acid enriched in the other enantiomer.

Abstract: The synthesis of enamines in aqueous media and a process for the preparation of memory enhancing 9-amino-1,2,3,4-tetrahydracridines are described.

Abstract: A Schiff base compound of formula (I): ##STR1## wherein Ar represents an aromatic group, which may have a substituent; n is 0 or 1; and Z represents ##STR2## in which m is an integer of 0 or 1, or ##STR3## provided that when Z is ##STR4## and Ar is a phenyl group and the substituent thereof is an alkoxyl group represented by C.sub.p H.sub.2p+1 O, p is an integer of 1 to 4.In addition, a nonlinear optical material using the above Schiff base compound of formula (I) is disclosed.

Abstract: Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein Y is a specified small group or single atom and R.sup.1 and R.sup.2 are selected from a wide range of specified substituents.

Abstract: Phosphine oxide-terminated allene-ene-yne compounds are disclosed that possess DNA-cleaving, antimicobial and tumor growth-inhibiting properties. Methods of making and using those compounds are also disclosed.

Abstract: The invention relates to benzocyclobutene capped benzotrifluoride based fluoroaryl ether compounds which are useful in preparing semi-permeable membranes, and films and coatings useful in electronic applications.

Abstract: Compounds of formula: ##STR1## in which R.sub.1 is (a) a phenyl radical or a substituted phenyl radical, (b) a chain --CH(R.sub.8)--COOR.sub.4, (c) a chain --CH.sub.2 --CO--NR.sub.5 R.sub.6 or (d) a phenylalkyl radical, R.sub.2 is a methylene or ethylene radical or a radical --CH(R.sub.7)--, R.sub.3 is a 1- or 2-naphthyl radical, 2- or 3-indolyl or phenylamino radical in which the phenyl ring is optionally substituted on the understanding that, when R.sub.3 is 1- or 2-naphthyl or 2- or 3-indolyl radical, R.sub.7 cannot represent a benzyl, alkylthioalkyl or phenyl radical, as well as, when R.sub.2 is a radical --CH(R.sub.7)--, their racemates and their stereoisomers, and medicinal products containing them.

Abstract: Benzocyclobutene-1,2-dichlorides, -bromides and -iodides which are substituted in the benzene ring are accessible in good yields and short reaction times by reacting substituted 1,2-(dichloromethyl or dibromomethyl)-benzenes with NaI in acetonitrile as the solvent. They can be used together with dienophils, for example 1,4-quinones, in Diels-Alder reactions.

Abstract: The present invention relates to an azomethine compound represented by formula (I): ##STR1## wherein X represents a 5- or 6-membered cyclic amino group, R represents an aromatic group, and Ar represents an aromatic group having an aliphatic amino group in the para-position. The azomethine compounds disclosed are useful yellow dyes for photography, for various optical filters, for ink jet, for heat transfer printing, and for printing.

Abstract: Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, nitro, or cyano; X.sup.1 is hydrogen, halo, or trihalomethyl; X.sup.2 is trihalomethyl or halo; Y is O, S, NH or NR.sup.1 ; R.sup.1 and R.sup.2 are the same or different radicals selected from hydrogen, alkyl, or mononuclear aralkyl; n is 1 to 5, and Z is carboxy, amino, mono- and dialkyl amino and when Z is carboxy, the agronomically acceptable salts, esters, thioesters and amides thereof, and compositions containing these compounds exhibit herbicidal activity.

Abstract: A region-specific monofunctionalization of a phenolic hydroxy onto a polyphenol for the preparation of a compound of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms, --CN, formyl, carboxy, alkoxy carbonyl of up to 9 carbon atoms, aralkoxy carbonyl or up to 12 carbon atoms and halogen and R' is a hydroxy protective group comprising reacting a polyphenol of the formula ##STR2## wherein R has the above definition with a base to form the corresponding dianion, reacting the latter with a trialkyl borate of the formulaB(OAlk).sub.3wherein Alk is alkyl of 1 to 6 carbon atoms to form a compound of the formula ##STR3## reacting the latter with a reagent capable of introducing a hydroxy protective group and reacting the latter with a hydrolysis agent for the oxygen-boron bond to obtain the corresponding compound of Formula I.