75996-08-6

Upstream product

• 43180-45-6 2-amino-2-(1-mercaptocyclopentyl)acetic acid hydrochloride 
• 824-94-2 p-methoxybenzyl chloride 
• 75996-01-9 2-(1-p-methoxybenzylthiocyclopentyl)-2-(thioformamido)acetic acid 
• 75996-00-8 2-amino-2-<(1-p-methoxybenzylthio)cyclopentyl>acetic acid 
• 908094-04-2 phenyldiazomethane 
• 75996-03-1 benzyl 2-<(1-p-methoxybenzylthio)cyclopentyl>-2-(thioformamido)acetate 
• 74-88-4 methyl iodide 

Relevant academic research and scientific papers

Studies related to Penicillins and Cephalosporins. Part 6. Synthesis of the (+/-)-Dinorpenicillin-spirocyclopentane System

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