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Title:
AVERMECTIN DERIVATIVES
Document Type and Number:
WIPO Patent Application WO/2000/047597
Kind Code:
A1
Abstract:
Avermectin derivatives represented by general formula (I) or salts thereof: wherein -X---Y- is -CH=CH-, -CH¿2?-C(=O)-, -CH¿2?-CH¿2?-, or -CH¿2?-CH(R?13¿)-, for example, (1) when -X---Y- is -CH=CH-, R?1¿ is (R?11¿) (R?12¿)C [wherein R?11¿ is optionally substituted lower alkyl, formyl, lower alkoxycarbonyl, or the like, and R?12¿ is hydrogen or lower alkyl], and R?2¿ is hydroxyl, tri (lower alkyl) silyloxy, or the like and linked by a single bond to the 5-position carbon atom, or R?2¿ and the 5-position carbon atom may be united to form a carbonyl or hydroxime group, and (2) when -X---Y- is -CH¿2?-C(=O)-, R?1¿ is (R?11a¿) (R?12a¿)C [wherein R?11a¿ is lower alkoxycarbonyl or -COOCH¿2?CH=CH¿2?, and R?12a¿ is hydrogen], and R?2¿ is hydroxyl or tri (lower alkyl) silyloxy.

Inventors:
OMURA SATOSHI (JP)
SUNAZUKA TOSHIAKI (JP)
TURBERG ANDREAS (DE)
SAMSON-HIMMELSTJERNA GEORG VON (DE)
HANSEN OLAF (DE)
HARDER ACHIM (DE)
Application Number:
PCT/JP2000/000691
Publication Date:
August 17, 2000
Filing Date:
February 09, 2000
Export Citation:
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Assignee:
KITASATO INST (JP)
OMURA SATOSHI (JP)
SUNAZUKA TOSHIAKI (JP)
TURBERG ANDREAS (DE)
SAMSON HIMMELSTJERNA GEORG VON (DE)
HANSEN OLAF (DE)
HARDER ACHIM (DE)
International Classes:
A01N43/02; A01N43/04; A61K31/7048; A61P33/00; C07D305/00; C07H17/08; (IPC1-7): C07H17/08; A61K31/7048; A61P33/00
Domestic Patent References:
WO1994029328A11994-12-22
Foreign References:
EP0401029A11990-12-05
EP0351923A21990-01-24
Other References:
See also references of EP 1160252A4
Attorney, Agent or Firm:
Imamura, Masazumi (KRF Building 5-5 Kyobashi 1-chome Chuo-ku, Tokyo, JP)
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