Aldehydes,hydrazine and ethyl acetoacetate were used for the synthesis of 4,4＇-arylidene-bis（3-methyl-pyrazolones） derivatives in water.In this green synthetic protocol,the solvent water itself catalyzed the reacti...Aldehydes,hydrazine and ethyl acetoacetate were used for the synthesis of 4,4＇-arylidene-bis（3-methyl-pyrazolones） derivatives in water.In this green synthetic protocol,the solvent water itself catalyzed the reaction via hydrogen bonding,thus avoiding the use of any other catalyst to make the work up procedure easier.One-pot,environmental friendly and convenient are the highlights.展开更多
文摘Aldehydes,hydrazine and ethyl acetoacetate were used for the synthesis of 4,4＇-arylidene-bis（3-methyl-pyrazolones） derivatives in water.In this green synthetic protocol,the solvent water itself catalyzed the reaction via hydrogen bonding,thus avoiding the use of any other catalyst to make the work up procedure easier.One-pot,environmental friendly and convenient are the highlights.
