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Pironetin, a novel plant growth regulator produced by Streptomyces sp. NK10958. II. Structural elucidation
S Kobayashi1, K Tsuchiya, T Kurokawa
1Applied Microbiology Research Center, Nippon Kayaku Co. Ltd., Saitama, Japan.
The Journal of Antibiotics
|June 1, 1994
Abstract:
A novel plant growth regulator, pironetin was isolated from the culture broth of Streptomyces sp. NK10958. The structure of pironetin was determined to be (5R,6R)-5-ethyl- 5,6-dihydro-6-[(E)-(2R,3S,4R,5S)-2-hydroxy-4-methoxy-3,5-dimethyl-7- nonenyl]-2H-pyran-2-one by FAB-MS, 1H and 13C NMR, COSY, COLOC, DEPT, IR, X-ray crystallographic analyses and adapted Mosher's method.