摘要:
A process for preparing an acid of the general formula wherein R₁ and R₂ are each, independently, hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen, trifluoromethyl or nitro or R₁ and R₂, taken together with the benzene ring to which they are attached, are naphthalene and Ar is phenyl which is unsubstituted or substituted by one to three substituents selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms and halogen, by hydrolyzing a compound of the formula The compounds of formula I formed by the process of the invention are useful in the production of thiazepin-4(5H)-ones of the formula and anaogs thereof which have activity as calcium channel blockers and accordingly are useful as agents for lowering blood pressure and as agents for treating ischemia.
摘要:
Es werden oxidierte Diphenylheteroalkane der Formel I worin R¹ bis R⁶ und A die in der Beschreibung angegebene Bedeutung haben, sowie deren Herstellung beschrieben. Die Substanzen eignen sich zur Bekämpfung von Krankheiten und als kosmetische Mittel.
摘要:
A compound represented by the following structural formula (I): wherein (a) R₁ is C₈ to C₁₃ alkyl, C₇ to C₁₂ alkoxy, C₇ to C₁₂ alkylthio, C₁₀ to C₁₂ 1-alkynyl, 10-undecynyloxy, 11-dodecynyl, phenyl-C₄ to C₁₀ alkyl, phenyl-C₃ to C₉ alkoxy, phenylthio-C₃ to C₉ alkyl with the phenyl optionally mono substituted with bromo, chloro, trifluoromethyl, alkoxy, methylthio or trifluoromethylthio, thienyl-C₄ to C₁₀ alkyl furyl-C₄ to C₁₀ alkyl,trifluoromethyl-C₇ to C₁₂ alkyl or cycloheyl-C₄ to C₁₀ alkyl; and R₂ is hydrogen, bromo, chloro, methyl, trifluoromethyl, hydroxy, alkoxy or nitro; (b) or R₁ is hydrogen and R₂ is C₈ to C₁₃ alkyl, C₇ to C₁₂ alkoxy, C₇ to C₁₂ alkylthio, C₁₀ to C₁₂ 1-alkynyl, 10-undecynyloxy, 11-dodecynyl, phenyl-C₄ to C₁₀ alkyl, phenyl-C₃ to C₉ alkoxy, phenylthio-C₃ to C₉ alkyl with the phenyl optionally mono substituted with bromo, chloro, trifluoromethyl, alkoxy, methylthio or trifluoromethylthio, furyl-C₄ to C₁₀ alkyl, trifluoromethyl-C₇ to C₁₂ alkyl or cyclohexyl-C₄ to C₁₀ alkyl; q is 0, 1, or 2; Y is COR₃, CH(R₄)(CH₂) m COR₃ or CH(R₄)(CH₂) m -tetrazol-5-yl the tetrazol-5-yl being unsubstituted or substituted with A; R₁₆ and R₁₇ are independently hydrogen or C₁₋₄ alkyl; j is 0 to 6; R₁₈ is hydrogen, alkyl, COR₃, SO₃H, SO₂NH₂, COCH₂OH or CHOHCH₂OH; R₃ is amino, (CH₂) n CO₂CH₂CONR₁₆R₁₇, or OR₁₄; R₁₄ is hydrogen, alkyl, cycloalkyl, aryl, arylalkyl, alkylaryl, alkylarylalkyl, alkyl substituted amino or alkylamino, - OCH₂CONR₇R₈, indanyl, pivaloyloxymethyl, acetoxymethyl, propionyloxymethyl, glycyloxymethyl, phenylglycyloxymethyl, or thienylglycyloxymethyl; R₄ is hydrogen, methyl, alkoxy, fluoro or hydroxy; m is 0, or 1; R is (CH₂) n COR₆, CH(CO₂H)CH₂COR₆, (CH₂) n CO₂CH₂CONR₁₆,R₁₇, or an imidazole of the formula n is 0 to 6; R₅ is hydrogen, amino, or NHCOCH₂CH₂CH(NH₂)CO₂H; R₆ is amino, NH(CH₂) n CO₂H, SO₃H, SO₂NH₂, CN, tetrazol-5-yl unsubstituted or substituted with A as defined above, or OR₁₅; R₇ is hydrogen, alkyl or alkenyl; R₈ is hydrogen, alkyl, carboxyl or carboxamido, or, when R₇ and R₉ are hydrogen or alkyl, (CH₂) m COOR₁₅; R₉ is hydrogen, alkyl or (CH₂) m COOR₁₅; R₁₅ is hydrogen, alkyl, cycloalkyl, aryl, arylalkyl, alkylaryl, alkylarylalkyl, allayl substituted amino or alkylamino, -OCH₂CONR₇R₈, indanyl, pivaloyloxymethyl, acetoxymethyl, propionyloxymethyl, glycyloxymethyl, phenylglycyloxymethyl, or thienylglycyloxymethyl; provided that 1) when n is 0, R₅ is hydrogen, 2) R₇, R₈ and R₉ are not all hydrogen, 3) any of R₁and R₂ above are not alkylthio or phenylthioalkyl when q is 1 or 2, 4) R₃ and R₆ are not both hydroxy, 5) OR₁₄ and OR₁₅ are not simultaneously hydroxy; 6) if R₄ is hydroxy and m is 0, R₁₄ is hydrogen; or a pharmaceutically acceptable salt thereof.
摘要:
a-Aryl-acryisäureester der allgemeinen Formel I in der Y gegebenenfalls substituiertes Alkylen, Alkenylen, Alkinylen, O,S(O) m , N, Oxycarbonyl, Carbonyloxy, Oxycarbonylalkylen, Carbonyloxyalkylen, Oxyalkylenoxy, Oxyalkylen, Alkylenoxy, Thioalkylen, Azo, Carbonylamino, Aminocarbonyl, Aminocarbonyloxy und Z Wasserstoff, Halogen, Alkyl, Alkenyl, Cycloalkyl, Alkinyl, Aryl, Arylalkyl, Arylalkenyl, Aryloxy, Aryloxyalkyl, Alkoxyalkyl, Halogenalkyl, Aryloxyalkoxy, Alkoxycarbonyl, die gegebenenfalls substituiert sind oder einen fünfgliedrigen Heterocyclus bedeutet, in dem zwei benachbarte Substituenten gegebenenfalls einen aromatischen oder heteroaromatischen Ring bilden können und diese Verbindungen enthaltende Fungizide.
摘要:
A process for the preparation of (2S,3S)-threo-2-hydroxy-3-(2-aminophenylthio)-3-(4-methoxyphenyl)-propionic acid by resolution of the racemic mixture is described. The resolution is carried out by using as resolving agent (1S,2S)-threo-1-phenyl-2-amino-1,3-propanediol or (1S,2S)-threo-1-(4-methylthiophenyl)-2-amino-1,3-propanediol.
摘要:
A process for preparing an acid of the general formula wherein R₁ and R₂ are each, independently, hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen, trifluoromethyl or nitro or R₁ and R₂, taken together with the benzene ring to which they are attached, are naphthalene and Ar is phenyl which is unsubstituted or substituted by one to three substituents selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms and halogen, by hydrolyzing a compound of the formula
The compounds of formula I formed by the process of the invention are useful in the production of thiazepin-4(5H)-ones of the formula and anaogs thereof which have activity as calcium channel blockers and accordingly are useful as agents for lowering blood pressure and as agents for treating ischemia.
摘要:
A method comprising steps of, first, contacting 4-methoxybenzaldehyde with a chloroacetic acid, (*)-8-phenylmenthyl ester, second, contacting the product from the first step with 2-aminothiophenol, by steps under conditions such that a (2*,3*)-2-hydroxy-3-(4-methoxyphenyl)-3-(2-aminophenylthio)propionic acid, (*)-8'-phenylmentthyl ester is prepared, third, hydrolyzing said propionic acid ester with an alkaline hydrolyzing agent, and fourth, contacting the product from the third step with an acid, by steps under conditions such that a (2*,3*)-2-hydroxy-3(4-methoxyphenyl)-3-(2-aminophenylthio)propionic acid is prepared. Optically active forms of the title compound are also claimed.
摘要:
New alkenoic acid derivatives can be prepared by reaction of corresponding aldehydic esters with phosphorous compounds in inert solvents and in the presence of bases followed by hydrolysis of the intermediate esters. The new alkenoic acid derivatives can be used as active compounds in medicaments.
摘要:
A process for the optical resolution of 2-hydroxy-3-(4-methoxyphenyl)-3-(2-acetylaminophenylthio)-propionic acid sodium salt by seeding of a supersaturated solution of said salt with one of the enantiomers.
摘要:
Ortho-substituierte Carbonsäure-benzylester der Formel
in der R 1 Alkoxy, Alkylthio, Halogen oder Amino, R 2 Alkoxycarbonyl, Cyano oder CONH 2 , R 3 Wasserstoff, Halogen, Cyano, Aryl, Aryloxy, einen gesättigten oder ungesättigten heterocyclischen Rest, Cycloalkyl oder substituiertes Cyclopropyl, X Alkylen und n 0 oder 1 bedeutet und diese Verbindungen enthaltende Fungizide.