Method for the Regioselective Synthesis of 1-Alkyl-3-haloalkyl-pyrazole-4-carboxylic Acid Derivatives
申请人:Pazenok Sergii
公开号:US20110009642A1
公开(公告)日:2011-01-13
The present invention relates to a process for the regioselective synthesis of 1-alkyl-3-halo-alkylpyrazole-4-carboxylic acid derivatives by cyclization of 2,3-disubstituted acrylic acid derivatives, and to the hydrazones formed as intermediates in the process.
BARDAKOS V.; SUCROW W.; FEHLAUER A., CHEM. BER. <CHBE-AM>, 1975, 108, NO 7, 2161-2170
作者:BARDAKOS V.、 SUCROW W.、 FEHLAUER A.
DOI:——
日期:——
VERFAHREN ZUR REGIOSELEKTIVEN SYNTHESE VON 1-ALKYL-3-HALOALKYL-PYRAZOL-4-CARBONSÄUR E-DERIVATEN
申请人:BAYER CROPSCIENCE AG
公开号:EP2247577A2
公开(公告)日:2010-11-10
Method for the Regioselective Synthesis of 1-Alkyl-3-Haloalkyl-Pyrazole-4-Carboxylic Acid Derivatives
申请人:BAYER CROPSCIENCE AG
公开号:US20130197239A1
公开(公告)日:2013-08-01
The present invention relates to a process for the regioselective synthesis of 1-alkyl-3-halo-alkylpyrazole-4-carboxylic acid derivatives by cyclization of 2,3-disubstituted acrylic acid derivatives, and to the hydrazones formed as intermediates in the process.