Antibiotics TM-531 B and TM-531 C

Details Antibiotics TM-531 B and TM-531 C Antibiotics TM-531 B and TM-531 C

1981-09-15

1982-11-16

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

424283, C07D30910

Patent

active

043595839

ABSTRACT:
The novel antibiotics represented by the formula ##STR1## wherein either (a) R.sup.1 is hydroxy and R.sup.2 is hydrogen, or (b) R.sup.1 is methoxy and R.sup.2 is hydroxy, and the salt thereof, are produced by the cultivation of the organism Streptomyces hygroscopicus TM-531 under aerobic conditions. They are separated from coproduced Antibiotic TM-531 as disclosed in U.S. Pat. No. 4,269,971 and from each other by chromatography on silica gel.

REFERENCES:
patent: 4269971 (1981-05-01), Yamagishi et al.

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