1: thien-2-yl bromide With magnesium in tetrahydrofuran T=40°C; 2 h; 2: benzyl 2,6-dioxotetrahydro-2H-pyran-3-ylcarbamate in tetrahydrofuran T=-78°C; 4 h; 3: With citric acid in tetrahydrofuran T=-78 - 20°C; Title compound not separated from byproducts;
参考文献
Deguest, Geoffrey; Bischoff, Laurent; Fruit, Corinne; Marsais, Francis
Tetrahedron Asymmetry, 2006 , vol. 17, # 14 p. 2120 - 2125