Processes and intermediates for cis or trans 2- or 3-(1-acyl-3-v

Details Processes and intermediates for cis or trans 2- or 3-(1-acyl-3-v Processes and intermediates for cis or trans 2- or 3-(1-acyl-3-v

1975-05-23

1976-05-18

Todd, G. Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D21134

Patent

active

039578003

ABSTRACT:
Cis or trans 2-(1-acyl-3-vinyl-4-piperidine)acetic acid esters and cis or trans 3-(1-acyl-3-vinyl-4-piperidine)propionic acid esters, antipodes and racemates thereof, are prepared, inter alia, from the corresponding cis or trans 2- or 3[1-acyl-3-(2-chloroethyl)-4-piperidine]acetic or propionic acid esters, respectively. The cis or trans 2- or 3-(1-acyl-3-vinyl-4-piperidine)acetic or propionic acid esters are useful as intermediates for the synthesis of quinine and quinidine and analogs and stereoisomers thereof.

REFERENCES:
patent: 3317546 (1967-05-01), Cislak et al.

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