1: methanethiol With sodium hydroxide in N,N-dimethyl-formamide 1 h; 2: C5H7NO4 in tetrahydrofuran; N,N-dimethyl-formamide T=80°C; 2 h; 3: With hydrogenchloride in water
参考文献
NOVUS INTERNATIONAL INC.
Patent: US2011/224430 A1, 2011 ;
Location in patent: Page/Page column 7 ;