1: phenylmethyl (S)-1-(1,1-dimethylethoxycarbonyl)-5-oxopyrrolidine-2-carboxylate With diisobutylaluminium hydride in tetrahydrofuran T=-78°C; 2: methanol With toluene-4-sulfonic acid in tetrahydrofuran T=20°C; Further stages.;
参考文献
Ma; Yang
Journal of the American Chemical Society, 2001 , vol. 123, # 39 p. 9706 - 9707