1: With diphenyl phosphoryl azide; 1,8-diazabicyclo[5.4.0]undec-7-ene in toluene
T=20°C; 16 h;
2: With hydrogenchloride in diethyl ether; water; toluene
参考文献
Boehringer Ingelheim Pharmaceuticals, Inc.
Patent: US2006/25433 A1, 2006 ;
Location in patent: Page/Page column 107 ;
US 20060025433 A1