Some Common Micheal Donors and Acceptors Micheal Donors(给体) Micheal Acceptors(受体) R-C-CH-C-R B-diketone H2C=CH-C-H conjugate aldehyde R-C-CH-C-OR' P-keto ester H2 C:CH-C-R conjugate ketone l■●● R2CuLi dialkyl cuprate H2C=CH-C-OR conjugate ester enamine H2C=CH-C-NH2 conjugate amide 烯胺 R-C-CH-CEN B-keto nitrile H2 C-C-CEN conjugate nitrile R→c-CH-N a-nitro ketone H2C=CH-NO2 nitroethylene R-C-CH-S-Ph a-keto sulphone H2C:CH-SO2Ph vinyl sulphone20 Some Common Micheal Donors and Acceptors R C CH C O O R' R C CH C O O OR' R 2CuLi C C N R C CH C O N R C CH N O O O R C CH S O O Ph O β-diketone β-keto ester dialkyl cuprate enamine 烯胺 β-keto nitrile α-nitro ketone α-keto sulphone H 2 C CH C O H H 2 C H C C N H 2 C CH NO 2 H 2 C CH SO 2Ph H 2 C CH C O R H 2 C CH C O OR H 2 C CH C O NH 2 conjugate aldehyde conjugate ketone conjugate ester conjugate amide conjugate nitrile nitroethylene vinyl sulphone Micheal Donors (给体) Micheal Acceptors（受体）