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Communication | Special issue | Vol 47, No. 1, 1998, pp.163-166
Published online, 1st January, 1970
DOI: 10.3987/COM-97-S(N)68
Synthetic Study of Ustiloxin Analogs: Benzylic Oxidation of 13-Membered Cyclic Peptide by Lead Tetraacetate

Masato Takahashi, Ryuichi Shirai, Yukiko Koiso, and Shigeo Iwasaki*

*Institute of Molecular and Cellular Biosciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan

Abstract

The 13-membered cyclic peptides (5, 6), analogs of phomopsin-ustiloxin class of antibiotics, have been synthesized. Benzylic hydroxyl group was introduced in desired stereochemistry by lead tetraacetate oxidation followed by methanolysis.