PROCESS FOR PRODUCING DEPSIPEPTIDE DERIVATIVES AND NOVEL INTERMEDIATES THEREFOR

Title:

PROCESS FOR PRODUCING DEPSIPEPTIDE DERIVATIVES AND NOVEL INTERMEDIATES THEREFOR

Document Type and Number:

WIPO Patent Application WO/1998/015523

Kind Code:

A1

Abstract:

An industrially excellent alternative process for producing cyclodepsipeptide derivatives, as represented in formula (1), having an excellent vermicidal activity as an animal and human anthelmintic, wherein R�1? represents hydrogen or a hydroxyl-protective group; R�2? represents a carboxyl group optionally protected; R�3?, R�4?, R�7? and R�8? represent each a lower alkyl, aryl or (un)substituted aralkyl; and R�5?, R�6?, R�9? and R�10? represent each a lower alkyl.

Inventors:

YAMANISHI RYO (JP)
OHGAKI MASARU (JP)

Application Number:

PCT/JP1997/003417

Publication Date:

April 16, 1998

Filing Date:

September 24, 1997

Export Citation:

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Assignee:

FUJISAWA PHARMACEUTICAL CO (JP)
YAMANISHI RYO (JP)
OHGAKI MASARU (JP)

International Classes:

C07C235/12; C07D273/00; C07D295/155; (IPC1-7): C07C235/12; C07D273/00; A61K31/395

Foreign References:

JPH06340695A	1994-12-13
JPH06340694A	1994-12-13

Other References: