75996-02-0Relevant articles and documents
Studies related to Penicillins and Cephalosporins. Part 6. Synthesis of the (+/-)-Dinorpenicillin-spirocyclopentane System
Bachi, Mario D.,Sasson, Sabar,Vaya, Jacob
, p. 2228 - 2232 (2007/10/02)
Diphenylmethyl and benzyl esters of (+/-)-6-azido-3-carboxypenam-2-spirocyclopentanes (18) and (20)-(23) have been obtained in a multi-step synthesis from 2-amino-2-(1-mercaptocyclopentyl)acetic acid (1).The penam backbone was completed through the format