反应条件
1.1: 82 percent / pyridine; 4-(dimethylamino)pyridine / 18 h / 20 °C
2.1: 79 percent / o-iodoxybenzoic acid / dimethylformamide / 3 h / 20 °C
3.1: n-BuLi / tetrahydrofuran; hexane / 1.5 h / -78 °C
3.2: 67 percent / tetrahydrofuran; hexane / -78 - 20 °C
4.1: 77 percent / BCl3 / CH2Cl2 / 2 h / 20 °C
View Scheme
参考文献
Hollenstein, Marcel; Leumann, Christian J
Organic letters, 2003 , vol. 5, # 11 p. 1987 - 1990
