Journal of Antibiotics p. 860 - 865 (1997)
Update date:2022-08-17
Topics:
Naranda, Amalia
Lopotar, Nevenka
Kelneric, Zeljko
Opening the oxirane ring of 12,13-epoxydesmycosin dimethylacetal (1) by catalytic hydrogenation gave the 10,11-dihydro-12,13-epoxy derivative (3) as the main product. Reductive oxirane cleavage was accomplished with dissolved metal (Zn) giving the 10,13-dihydro-13-hydroxy compound (6). Mild acid hydrolysis of 6 gave expected 10,13-dihydro-13-hydroxydesmycosin (8), but hydrolysis of 3, under the same conditions, gave three tautomeric desepoxy products.
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