cas 76811-96-6, Ethyl 4-{4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-1-oxobutyl}-alpha,alpha-dimethylbenzeneacetate hydrochloride

Articles about 76811-96-6Total 6 be found

ANTIHISTAMINIC PIPERIDINE DERIVATIVES AND INTERMEDIATES FOR THE PREPARATION THEREOF
This invention relates to novel piperidine derivatives of formula (I) and a process for the preparation thereof, wherein R1 is H or C1-C6alkyl wherein the C1-C6alkyl moiety is straight or branched; R2 is -COOH or -COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched; or stereoisomers or pharmaceutically acceptable acid addition salt thereof.
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(2010/11/03)

Antihistaminic piperidine derivatives and intermediates for the preparation thereof
This invention relates to novel piperidine derivatives of formula (I) and a process for the preparation thereof. wherein R1is H or C1-C6alkyl wherein the C1-C6alkyl moiety is straight or branched; R2is —COOH or —COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched; or stereoisomers or pharmaceutically acceptable acid addition salt thereof.
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(2008/06/13)

Novel antihistaminic piperidine derivatives and intermediates for the preparation thereof
This invention relates to novel piperidine derivatives of formula (I) and a process for the preparation thereof. wherein R1 is H or C1-C6alkyl wherein the C1-C6alkyl moiety is straight or branched; R2 is —COOH or —COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched; or stereoisomers or pharmaceutically acceptable acid addition salt thereof.
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(2008/06/13)

Intermediates useful for the preparation of antihistaminic piperidine derivatives
The present invention is related to a novel intermediates and processes which are useful in the preparation of certain antihistaminic piperidine derivatives of the formula whereinW represents —C(=O)— or —CH(OH)—;R1 represents hydrogen or hydroxy;R2 represents hydrogen;R1 and R2 taken together form a second bond between the carbon atoms bearing R1 and R2;n is an integer of from 1 to 5;m is an integer 0 or 1;R3 is —COOH or —COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched each of A is hydrogen or hydroxy; and pharmaceutically acceptable salts and individual optical isomers thereof,with the proviso that where R1 and R2 are taken together to form a second bond between the carbon atoms bearing R1 and R2 or where R1 represented hydroxy, m is an integer 0.
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(2010/01/30)

Antihistaminic piperidine derivatives and intermediates for the preparation thereof
This invention relates to novel piperidine derivatives of formula (I) and a process for the preparation thereof.whereinR1 is H or C1-C6alkyl wherein the C1-C6alkyl moiety is straight or branched;R2 is -COOH or -COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched; orstereoisomers or pharmaceutically acceptable acid addition salt thereof.
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(2010/02/05)

Piperidine derivatives
Pharmaceutically useful compounds of the following formula: STR1 wherein R1 represents hydrogen or hydroxy; R2 represents hydrogen; or R1 and R2 taken together form a second bond between the carbon atoms bearing R1 and R2 ; n is a positive whole integer of from 1 to 5; R3 is --CH3, --CH2 OH, --COOH or --COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched; and A and B are individually hydrogen or hydroxy; with the provisos that at least one of A or B is hydrogen and one of A or B is other than hydrogen when R3 is --CH3 ; and pharmaceutically acceptable acid addition salts thereof.
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(2008/06/13)