1: pyrrolidin-2-one; di-tert-butyl dicarbonate With 4-(N,N-dimethlyamino)pyridine in dichloromethane
T=20°C;
2: carbonic acid dimethyl ester With lithium hexamethyldisilazane in dichloromethane
T=-78°C;
参考文献
Moss, Thomas A.; Alba, Aurelie; Hepworth, David; Dixon, Darren J.
Chemical Communications, 2008 , # 21 p. 2474 - 2476
1: With N,N,N',N',N'',N''-hexamethylphosphoric triamide; n-butyllithium in tetrahydrofuran; hexane
T=-78°C; 0.25 h;
2: With Mukayama reagent in tetrahydrofuran; hexane
T=-78°C; 0.5 h; Further stages.;
