Qiu Fei
2009
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0
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Journal
Modern Chemical Industry
Abstract
1,1-Cyclopropanedicarboxylic acid diethyl ester is prepared from diethyl malonate by C-hydrocarbylation with 1,2-dichloroethane and potassium carbonate,and PEG 400 is used as a phase transfer catalyst.Then the prepared ester is used to synthesize 1,1-cyclopropanedimethanol through reduction with potassium borohydride and aluminium trichloride.The total yield of two-step reaction can be 50%-55%.