Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
A Convenient Synthesis of N-Benzyloxy-β-lactams via N-Benzyloxyimines
Kiyoshi IKEDAKazuo ACHIWAMinoru SEKIYA
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1989 Volume 37 Issue 5 Pages 1179-1184

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Abstract

N-Benzyloxy-β-lactams were prepared from N-benzyloxyimines by reaction with ketene trimethylsilyl acetals in the presence of trimethylsilyl triflate followed by cyclization, or with lithium ester enolates in one step.

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© The Pharmaceutical Society of Japan
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