[EN] PROCESS FOR PREPARATION OF AMINOPYRAZOLE<br/>[FR] PROCÉDÉ DE PRÉPARATION D'AMINOPYRAZOLE
申请人:GHARDA CHEMICALS LTD
公开号:WO2017060787A1
公开(公告)日:2017-04-13
The present disclosure relates to an improved diazotization process for the preparation of 5- amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl) pyrazole.
The present disclosure relates to an improved diazotization process for the preparation of 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl) pyrazole.
NEIDLEIN, RICHARD;KIKELJ, DANIJEL, SYNTHESIS,(1989) N, C. 612-613
作者:NEIDLEIN, RICHARD、KIKELJ, DANIJEL
DOI:——
日期:——
PROCESS FOR PREPARATION OF AMINOPYRAZOLE
申请人:GHARDA CHEMICALS LIMITED
公开号:US20180282284A1
公开(公告)日:2018-10-04
The present disclosure relates to an improved diazotization process for the preparation of 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl) pyrazole.
A Convenient Method for the Methylation of Alkyl Dicyanoacetates
作者:Richard Neidlein、Danijel Kikelj
DOI:10.1055/s-1989-27333
日期:——
Alkyl dicyanoacetates can be methylated by the reaction of the corresponding, benzyltriethylammonium alkoxycarbonyldicyanomethanide with methyl iodide in chloroform.