Novel processes for the production of 13-ether derivatives...

Details Novel processes for the production of 13-ether derivatives... Novel processes for the production of 13-ether derivatives...

C - Chemistry, Metallurgy

07

H

C07H 19/01 (2006.01) C07D 493/22 (2006.01) C07H 23/00 (2006.01)

Patent

CA 2105251

An intermediate useful in the synthesis of milbemycin derivatives having an ether bond at the 13-position and which is represented by the general formula (IIId): (see formula IIId) wherein R represents a methyl group, an ethyl group, an isopropyl group or a sec-butyl group, and R5 and R6' each individually represents a hydrogen atom or a protecting group, and related precursors as well as to a process for producing these intermediates.

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