Title:
PROCESS AND INTERMEDIATES FOR THE PREPARATION OF IMIDAZOPYRIDINES
Document Type and Number:
WIPO Patent Application WO2001051486
Kind Code:
A3
Abstract:
The invention relates to compounds of formula (2) in which R1, R2, R3 and R4 have the meanings indicated in the description, their preparation and their further reaction to give compounds of formula (1), in which A1, A2 and R4 have the meanings indicated in the description. The compounds of the formula (1) are valuable intermediates for the preparation of medicaments.
Inventors:
ULRICH WOLF-RUEDIGER (DE)
SCHEUFLER CHRISTIAN (DE)
FUCHSS THOMAS (DE)
SENN-BILFINGER JOERG (DE)
SCHEUFLER CHRISTIAN (DE)
FUCHSS THOMAS (DE)
SENN-BILFINGER JOERG (DE)
Application Number:
PCT/EP2001/000261
Publication Date:
March 14, 2002
Filing Date:
January 11, 2001
Export Citation:
Assignee:
BYK GULDEN LOMBERG CHEM FAB (DE)
ULRICH WOLF RUEDIGER (DE)
SCHEUFLER CHRISTIAN (DE)
FUCHSS THOMAS (DE)
SENN BILFINGER JOERG (DE)
ULRICH WOLF RUEDIGER (DE)
SCHEUFLER CHRISTIAN (DE)
FUCHSS THOMAS (DE)
SENN BILFINGER JOERG (DE)
International Classes:
C07D233/54; C07D233/60; C07D233/64; C07D233/58; C07D233/66; C07D233/90; C07D405/06; C07D471/04; (IPC1-7): C07D405/06; C07D233/90; C07D471/04
Domestic Patent References:
| WO1998037080A1 | 1998-08-27 |
Foreign References:
| EP0033094A1 | 1981-08-05 |
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