反应条件
1: malonic acid dimethyl ester With sodium hydride in tetrahydrofuran; N,N,N',N',N'',N''-hexamethylphosphoric triamide T=20°C; Metallation; 0.5 h; 2: (2R)-N-triphenylmethyl-3-iodoalanine methyl ester in tetrahydrofuran; N,N,N',N',N'',N''-hexamethylphosphoric triamide T=40°C; Substitution; cyclization; 12 h; Title compound not separated from byproducts;
参考文献
Dugave, Christophe; Menez, Andre
Journal of Organic Chemistry, 1996 , vol. 61, # 17 p. 6067 - 6070