A new approach to the synthesis of α,β unsaturated ketones from 1,2,3 trimethyl benzimidazolium salt via the condensation reaction with aldehydes followed by the addition reaction of Grignard reagents with quatern...A new approach to the synthesis of α,β unsaturated ketones from 1,2,3 trimethyl benzimidazolium salt via the condensation reaction with aldehydes followed by the addition reaction of Grignard reagents with quaternary C=N bond was provided.展开更多
The reaction of 2-alkyl-1,3-dimethylbenzimidazolium salts with Grignard reagents gave addition products which were hydrolyzed to give ketones. A new method for the preparation of cyclohexyl ketones and isopropyl keton...The reaction of 2-alkyl-1,3-dimethylbenzimidazolium salts with Grignard reagents gave addition products which were hydrolyzed to give ketones. A new method for the preparation of cyclohexyl ketones and isopropyl ketones is provided.展开更多
基金ProjectsupportedbytheNationalNaturalScienceFoundationofChina (No.2 9872 0 32 )andtheSpecialScienceResearchFoundationofEducationCommitteeofShaanxiProvince (No .98JK12 0 )
文摘A new approach to the synthesis of α,β unsaturated ketones from 1,2,3 trimethyl benzimidazolium salt via the condensation reaction with aldehydes followed by the addition reaction of Grignard reagents with quaternary C=N bond was provided.
基金theNationalNaturalScienceFoundationofChina (No .2 0 172 0 41)
文摘The reaction of 2-alkyl-1,3-dimethylbenzimidazolium salts with Grignard reagents gave addition products which were hydrolyzed to give ketones. A new method for the preparation of cyclohexyl ketones and isopropyl ketones is provided.