Antibiotics DO-248-A and B and process for preparing the same

Details Antibiotics DO-248-A and B and process for preparing the same Antibiotics DO-248-A and B and process for preparing the same

1985-04-03

1987-03-03

Reamer, James H.

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

Organic compounds

Carboxylic acids and salts thereof

435106, 514565, C07C10134

Patent

active

046476938

ABSTRACT:
Antibiotics DO-248-A and DO-248-B of the following Formula I: ##STR1## wherein R is ethyl or isopropyl, have antibacterial activity against acid-fast bacteria. DO-248-A, DO-248-B, or their pharmaceutically acceptable salts are, as an active ingredient of anti-fast-acid drugs, orally or parenterally administered to human beings or animal. DO-248-A and DO-248-B are prepared by incubating an antibiotic DO-248-A- and/or DO-248-B-producing microorganism belonging to genus Streptoverticillium in a medium and recovering antibiotic DO-248-A and/or DO-248-B from the culture broth.

REFERENCES:
patent: 3994965 (1976-11-01), Nakanishi

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