Polyketides and antibiotics
AssigneeKosan Biosciences, Inc.
InventorsGary Ashley, Isaac C. Chan-Kai, Mark A. Burlingame
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Abstract
Facile methods for preparing diketide and triketide thioesters are disclosed. The resulting thioesters may be used as intermediates in the synthesis of desired polyketides, and may contain functional groups which ultimately reside in side chains on the resulting polyketide and thus can be used further to manipulate the polyketide so as form derivatives. The polyketides produced may also be tailored by glycosylation, hydroxylation and the like. New polyketides and their derivatives and tailored forms are thereby produced.
Claims14
A polyketide selected from the group consisting of:
- 15-dimethyl-6-deoxyerythronolide B;
- 15-phenyl-6-deoxyerythronolide B;
- 15-propyl-6-deoxyerythronolide B;
- 15-ethenyl-6-deoxyerythronolide B;
- 12, 15-bisethenyl-12-desmethyl-6-deoxyerythronolide B;
- 12-desmethyl- 13-desethyl-12,13-(cyclohexenyl)-6-deoxyerythronolide B;
- and
- 15-bromo-14-hydroxy-6-deoxyerythronolide B.
An erythromycin selected from the group consisting of 15-fluoro erythromycin A, 15-ethenyl erythromycin A, 15-chloro erythromycin A, 15-bromo erythromycin A, and 15-azido erythromycin A.
Dependencies are inferred from the claim text.