反应条件
1: ethyl-(2-methoxy-phenyl)-diphenyl-phosphonium; iodide With N,N,N',N',N'',N''-hexamethylphosphoric triamide; sec.-butyllithium in tetrahydrofuran; pentane
T=-78°C; Wittig reaction; Inert atmosphere;
2: 4-methoxy-benzaldehyde in tetrahydrofuran; pentane
T=-78 - 20°C; Wittig reaction; Inert atmosphere;
参考文献
McNulty, James; Keskar, Kunal
Tetrahedron Letters, 2008 , vol. 49, # 49 p. 7054 - 7057