Based on the one carbon unit transfer reaction of tetrahydrofolate coenzymes, hydratropic aldehyde was synthesized successfully by using benzimidazolium salt as tetrahydrofolate coenzyme model at formic acid oxidation...Based on the one carbon unit transfer reaction of tetrahydrofolate coenzymes, hydratropic aldehyde was synthesized successfully by using benzimidazolium salt as tetrahydrofolate coenzyme model at formic acid oxidation level and Grignard reagent as a nucleophile to which one carbon unit was transfered. A novel method for the preparation of hydratropic aldehyde was provided. The mechanism for the addition hydrolysis reaction of benzimidazolium salt with Grignard reagent and the effects of reaction condition on the yield are discussed.展开更多
Dimethylbenzimidazolium iodide as an available convenient agent has been reacted with a Grignard reagent CH 3(CH 2) 5MgBr to give heptanal. The method need not neccessarily to isolate benzimidazolidine. The reaction m...Dimethylbenzimidazolium iodide as an available convenient agent has been reacted with a Grignard reagent CH 3(CH 2) 5MgBr to give heptanal. The method need not neccessarily to isolate benzimidazolidine. The reaction mechanism is discussed.展开更多
文摘Based on the one carbon unit transfer reaction of tetrahydrofolate coenzymes, hydratropic aldehyde was synthesized successfully by using benzimidazolium salt as tetrahydrofolate coenzyme model at formic acid oxidation level and Grignard reagent as a nucleophile to which one carbon unit was transfered. A novel method for the preparation of hydratropic aldehyde was provided. The mechanism for the addition hydrolysis reaction of benzimidazolium salt with Grignard reagent and the effects of reaction condition on the yield are discussed.
文摘Dimethylbenzimidazolium iodide as an available convenient agent has been reacted with a Grignard reagent CH 3(CH 2) 5MgBr to give heptanal. The method need not neccessarily to isolate benzimidazolidine. The reaction mechanism is discussed.