23-Demycinosyldesmycosin derivatives

Details 23-Demycinosyldesmycosin derivatives 23-Demycinosyldesmycosin derivatives

1983-03-30

1985-05-07

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

536 72, C07H 1708

Patent

active

045159416

ABSTRACT:
Novel 23-demycinosyldesmycosin derivatives are disclosed of the formula ##STR1## wherein A is oxygen or sulfur, R.sub.1 is optionally substituted phenyl or ##STR2## group, in which R.sub.3 is optionally substituted phenyl and R.sub.4 and R.sub.5 are the same or different and are hydrogen, lower alkyl or optionally substituted phenyl, and R.sub.2 is hydrogen or hydroxyl. The compounds or non-toxic salts thereof are useful as antibiotics.

REFERENCES:
patent: 4124756 (1978-11-01), Martin et al.
patent: 4187297 (1980-02-01), Martin et al.
patent: 4276413 (1981-06-01), Martin et al.
Richter, "Textbook of Organic Chemistry", 1938, John Wiley & Sons, Inc., New York, N.Y.

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