Abstract
Reaction of 2β-unsubstituted or functionalized-methyl 6-epipenicillin sulfoxides 2 with tervalent phosphorus compounds gave azetidinone-epi-oxazolines 3, important intermediates in synthesis of 7α-methoxy-1-oxacephems. Preparation of the 2β-functionalized-methyl substrates is described also.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have