反应条件
1: 1.) lithium diisopropylamide / 1.) THF, -78 deg C; 2.) allowed to r.t. during 1 h
2: 300 mg / glacial acetic acid, conc. sulphuric acid / 2 h / 100 °C
3: 66 percent / potassium tert-butoxide / tetrahydrofuran / 2 h / Ambient temperature
View Scheme
参考文献
Boss, Aileen M.; Clissold, Derek W.; Mann, John; Markson, Andrew J.; Thickitt, Christopher P.
Tetrahedron, 1989 , vol. 45, # 18 p. 6011 - 6017