O-methyl derivatives of azithromycin A

Details O-methyl derivatives of azithromycin A O-methyl derivatives of azithromycin A

1991-07-18

1993-10-05

Brown, Johnnie R.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Carbohydrate doai

536 72, 536 74, C07H 1708, A61K 3170

Patent

active

052505189

ABSTRACT:
The invention relates to O-methyl derivatives of azithromycin A of the formula (I) ##STR1## wherein Ia R.sup.1 =R.sup.2 =CO.sub.2 CH.sub.2 C.sub.6 H.sub.5, R.sup.3 =CH.sub.3, R.sup.4 =R.sup.5 =H

REFERENCES:
patent: 4474768 (1984-10-01), Bright
patent: 4680386 (1987-07-01), Morimoto et al.
patent: 4743593 (1988-05-01), Hunt
patent: 4833236 (1989-05-01), Morimoto et al.

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