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Title:
PROCESS FOR THE PREPARATION OF ANILINE COMPOUNDS
Document Type and Number:
WIPO Patent Application WO2001087806
Kind Code:
A3
Abstract:
A process for the preparation of aniline compounds of formula (I), wherein n and R are as defined in claim 1, by reacting nitro compounds of formula (II), wherein n and R are as defined, with hydrazine at elevated temperature in the presence of an aqueous base. The compounds of formula (I) are suitable as intermediates in the preparation of herbicides of the isobenzofuranone type.

Inventors:
SEIFERT GOTTFRIED (CH)
RAPOLD THOMAS (CH)
Application Number:
PCT/EP2001/005529
Publication Date:
February 14, 2002
Filing Date:
May 15, 2001
Export Citation:
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Assignee:
SYNGENTA PARTICIPATIONS AG (CH)
SEIFERT GOTTFRIED (CH)
RAPOLD THOMAS (CH)
International Classes:
A01N43/80; B27K3/34; B27K3/42; C07C209/36; C07C227/06; C07C229/56; C07C229/64; C07D307/88; C07D405/12; C07C211/45; C07C; C07D; (IPC1-7): C07C209/36; C07D307/88
Domestic Patent References:
WO1991005781A11991-05-02
Foreign References:
EP0416118A11991-03-13
EP0895985A21999-02-10
EP0481316A11992-04-22
DE1518107B11972-03-23
Other References:
See also references of EP 1286949A2
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