
Tetrahedron Letters p. 5435 - 5438 (1982)
Update date:2022-08-11
Topics:
Shimojima, Yukiji
Hayashi, Hiroshi
Ooka, Tadaaki
Shibukawa, Mitsuru
Iitaka, Yoichi
The structures of a novel gastroprotective substance AI-77-B and its analogues AI-77-C, D, F and G, which are produced by Bacillus pumilus, are described.Five of the asymmetric centers of AI-77-B have S absolute stereochemistry confirmed by X-ray in combination with chemical studies.
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