1: N-methyl-N'-nitro-N-nitroso-guanidine With potassium hydroxide in diethyl ether; water 2.75 h; 2: indolecarboxylic acid chloride in diethyl ether T=-30 - 0°C;
参考文献
Molino, Bruce F.; Liu, Shuang; Guzzo, Peter R.; Beck, James P.
Patent: US2006/52378 A1, 2006 ;
Location in patent: Page/Page column 106 ;
US 20060052378 A1