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A new antitumor antibiotic, FR900840. II. Structural elucidation of FR900840
M Nishimura1, H Nakada, S Takase
1Exploratory Research Laboratories, Fujisawa Pharmaceutical Co., Ltd., Ibaraki, Japan.
The Journal of Antibiotics
|April 1, 1989
Abstract:
The structure of FR900840, a new antitumor antibiotic produced by a strain of Streptomyces has been deduced as 1 on the basis of spectroscopic and chemical evidence and finally confirmed by synthesis from L-threonine and L-serine.