C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/317
C07D 209/52 (2006.01)
Patent
CA 1121355
ABSTRACT PYRROLIDINE DERIVATIVES AND PROCESS FOR THE PREPARATION OF SUCH COMPOUNDS" 3-Azabicyclo [ 3.1.0] hexane-2,4-dione and substituted analogues thereof can be prepared by reacting a compound of the general formula II or a halide, ester or anhydride thereof:- (II) Image wherein each of R1, R2, R3 and R4, any two or more of which maybe the same or different, represents a hydrogen atom, or an unsub- stituted alkyl or alkenyl group having up to 4 carbon atoms, or R2 and R3 together form an alkylene group containing 4 or 5 methylene groups. These compounds find use in the preparation of 3-azabicyclo[3.1.0] hexane compounds which have biological activity.
335426
Shell Canada Limited
Smart & Biggar
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