Preparation of 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxyla

Details Preparation of 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxyla Preparation of 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxyla

1993-12-08

1995-07-18

Chang, Ceila

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

514317, 546236, 546237, 546238, 546239, 546240, A61K 31445, C07D21132

Patent

active

054341710

ABSTRACT:
This invention relates to a process for preparing certain 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxylates, intermediates, and congeners. Finally, the invention provides new 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxylates with formulations and methods for using the compounds.

REFERENCES:
patent: 5136040 (1992-08-01), Werner
patent: 5250542 (1993-10-01), Cantrell et al.
Berge et al "Pharmaceutical Salts" J. Pharm. Sci. 66 1-2 (1977).
Cheronis "Semimicro Experimental Organic Chemistry" De Gratt Publishing, pp. 31-34 (1958).

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