1: With sodium hydride in DMF (N,N-dimethyl-formamide)
T=0°C; 1 h;
2: With O-(2,4-dinitro-phenyl)-hydroxylamine in DMF (N,N-dimethyl-formamide)
T=0°C; 2.5 h;
参考文献
BRISTOL-MYERS SQUIBB COMPANY
Patent: WO2003/99286 A1, 2003 ;
Location in patent: Page 44 ;