C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/299, 260/323
C07D 487/04 (2006.01) C07D 207/22 (2006.01) C07D 207/34 (2006.01)
Patent
CA 1340404
1,2-Dihydro-3H-pyrrolo[1,2-a]pyrrole- 1,7-dicarboxylates of the formula, (see fig. I) in which each R is independently H or lower alkyl, are prepared from di(lower alkyl) 1,3-acetone- dicarboxylates and are useful as intermediates in the preparation of pharmaceuticals.
556465
Fleming Michael P.
Khatri Hiralal N.
Schloemer George C.
Dennison Associates
Syntex (u.s.a.) Inc.
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