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Rearrangements of Δ2-Cyclopentenylmethane Derivatives

✍ Scribed by Priv.-Doz. Dr. M. Hanack; cand. chem. H. J. Schneider

Publisher
John Wiley and Sons
Year
1962
Tongue
English
Weight
124 KB
Volume
1
Category
Article
ISSN
0044-8249

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## Abstract magnified image A simple one pot synthetic method for the isomerization of cephem double bond from the natural 3‐position to 2‐cephem positions is affected by silylation. Thus cephalosporin acids are treated with Ntrimethylsilylacetamide (MSA) or __N,O__‐bis(trimethylsilyl)acetamide (B