1: benzo[b]thiophene With n-butyllithium in tetrahydrofuran; hexane T=0°C; 2 h; 2: N,N-dimethyl-formamide in tetrahydrofuran; hexane T=0°C; 2 h; 3: With ammonia; iodine in tetrahydrofuran; hexane; water T=0 - 20°C;
1: With resin-bound amine; benzotriazol-1-ol; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate in N,N-dimethyl-formamide T=20°C; 2: With pyridine; trifluoroacetic anhydride in dichloromethane T=20°C; 16 h;
参考文献
Hone, Neal D.; Payne, Lloyd J.; Tice, Colin M.
Tetrahedron Letters, 2001 , vol. 42, # 6 p. 1115 - 1118