Process for preparing 1,5-diaryl-3-substituted pyrazoles
申请人:——
公开号:US20040230060A1
公开(公告)日:2004-11-18
A process for making a compound of formula I wherein the substituents are as described in the specification comprising reacting a ketone of formula II with succinic anhydride and an alkoxide base to form a compound of formula III
1
which is reacted with a compound of formula IV to form a compound of V
2
and reacting with an alcohol to form the corresponding ester of formula VI
3
and reacting the ester with N-methylhydroxylamine.
Process for preparing 1, 5-diaryl-3-substituted pyrazoles
申请人:——
公开号:US20020128487A1
公开(公告)日:2002-09-12
A process for making a compound of formula I wherein the substituents are as described in the specification comprising reacting a ketone of formula II with succinic anhydride and an alkoxide base to form a compound of formula III
1
which is reacted with a compound of formula IV to form a compound of V
2
and reacting with an alcohol to form the corresponding ester of formula VI
3
and reacting the ester with N-methylhydroxylamine.
Process for preparing derivatives of [(1,5-diaryl)pyrazol-3-yl]propanoic acid
申请人:Ortho-McNeil Pharmaceutical, Inc.
公开号:EP1413575A2
公开(公告)日:2004-04-28
A process of preparing a compound of formula III
wherein the substituents are defined in the specification. The compound of formula III can be used in the preparation of 1,5-diaryl-3-substituted pyrazoles.
一种制备式 III 化合物的工艺,其中取代基在说明书中定义。式 III 的化合物可用于制备 1,5-二基-3-取代的吡唑。
PROCESS FOR PREPARING 1,5-DIARYL-3-SUBSTITUTED PYRAZOLES
申请人:Ortho-McNeil Pharmaceutical, Inc.
公开号:EP1144382B1
公开(公告)日:2004-11-03
Process for preparing derivatives of ¬(1,5-diaryl)pyrazol-3-yl|propanoic acid