C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/324, 260/306
C07D 207/18 (2006.01) C07D 207/08 (2006.01) C07D 207/273 (2006.01) C07D 403/04 (2006.01)
Patent
CA 1121823
ABSTRACT OF THE DISCLOSURE : 1-Pyrrole-and 1-pyrrolidine-carboxylic acid derivatives corresponding to the general formula : Image in which R represents an alkyl radical having from 1 to 4 car- bon atoms, preferably ethyl, and Am represents a group : A = Image or B = Image wherein R1 represents a 3-oxo-alkyl radical R3-?-CH2-CH2- or a 3-oxo-alkenyl radical R3-?-CH=CH- and R2 represents hydrogen or R1 and R2, when they are identical, each represent hydrogen, R3-?-CH2-CH2- or R3-?-CH=CH-, R3 representing an alkyl radical having from 1 to 5 carbon atoms with the proviso that when R1 and R2 are simultaneously hydrogen, Am represents the group A. The novel derivatives are useful as intermediates for syntheti- zing azaprostaglandines.
329513
Nanthavong Souli
Pigerol Charles
Schaefer Michel
Robic Robic & Associes/associates
Sanofi
LandOfFree
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