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Studies on streptothricins VII. Determination of the ninhydrin-positive fragments of streptothricin antibiotics

โœ Scribed by P. D. Reshetov; Ts. A. Egorov; A. S. Khokhlov


Book ID
112375592
Publisher
Springer
Year
1965
Tongue
English
Weight
406 KB
Volume
1
Category
Article
ISSN
0009-3130

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The benzyl ester protecting group in fi-lactam derivatives can be cleanly removed by treatment with aluminum trichloride under mild conditions, preferably in the presence of anisole, to give the corresponding free acids in high yields. The benzyl ester has been widely used as a carboxyl protecting