[EN] PROCESS FOR THE SYNTHESIS OF BETA-AMINOCARBONYLS<br/>[FR] PROCÉDÉ DE SYNTHÈSE DE BÉTA-AMINOCARBONYLES
申请人:UNIV OTTAWA
公开号:WO2013067646A1
公开(公告)日:2013-05-16
The present application provides processes and intermediates useful in the production of β- aminocarbonyl- or β-aminothiocarbonyl-containing compounds. Provided herein is a process for synthesizing β-aminocarbonyl- or β-aminothiocarbonyl-containing compounds from an alkene and a hydrazone. Also provided herein is a process for synthesizing β-aminocarbonyl- or β-aminothiocarbonyl-containing compounds from an alkene and a hydrazine. The present application further provides intermediate aminoisocyanate and iminoisocyanate compounds, and methods for synthesizing the starting hydrazone and hydrazine compounds.
A Practical Approach to Semicarbazone and Hydrazone Derivatives via Imino-isocyanates
作者:Keira Garland、Wei Gan、Charlotte Depatie-Sicard、André M. Beauchemin
DOI:10.1021/ol4016089
日期:2013.8.16
Complex hydrazone derivatives can be accessed readily from hydrazones upon heating in the presence of nucleophiles. This reactivity likely involves imino-isocyanate intermediates, and a variety of leaving groups can be used at temperatures ranging from 20 to 150 °C. Alcohols, thiols, primary, and secondary amines can be used as nucleophiles, thus providing a simple alternative to the synthesis of hydrazones