Preparation of α-substituted acroleins via the reaction of aldehyde with dihalomethane and diethylamine
作者:Yung-Son Hon、Feng-Jon Chang、Ling Lu
DOI:10.1039/c39940002041
日期:——
Treatment of ozonides or aldehydes with a mixture of dihalomethane and diethylamine in dichloromethane affords α-substituted acroleins in good yields, the β-carbon of the acrolein being derived from dihalomethane; the relative rates and yields are in the following order: CH2l2 > CH2Br2 > CH2Cl2.