Process for preparing 13-hydroxy-5-ketomibemycin derivatives hav

Details Process for preparing 13-hydroxy-5-ketomibemycin derivatives hav Process for preparing 13-hydroxy-5-ketomibemycin derivatives hav

1987-10-26

1989-05-30

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D40714

Patent

active

048352900

ABSTRACT:
13-Hydroxy-5-ketomilbemycin derivatives are prepared by oxidizing a 5-ketomilbemycin with selenium dioxide in the presence of a lower aliphatic carboxylic acic. A range of new 13-acyloxy-5-ketomilbemycins and a method or preparing them are also disclosed.

REFERENCES:
patent: 4134973 (1979-01-01), Fisher et al.
patent: 4142056 (1979-02-01), Sih
patent: 4169940 (1979-10-01), Dolak
patent: 4346171 (1982-08-01), Takiguchi et al.
patent: 4423209 (1983-12-01), Mrozik
Bulletin of the Chemical Society of Japan, vol. 42, 2056-2058 (1969) K. Javaid et al. "Selenium Dioxide Oxidation of Styrene and Norbornene".
J. Org. Chem., vol. 33, No. 7, Jul. 1968, J. Schaefer et al. "Selenium Dioxide Oxidations, III, The Oxidation of Olefins.".

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