1-(tert-butyloxycarbonyl)-3-chloromethyl-6-nitroindoline 、 2-carboxy-N-(1,3-dihydroxy-2-propyl)indole-6-carboxamide 在
Sodium sulfate-III 、
乙醇 作用下,
以
乙酸乙酯 为溶剂,
以to give 2-[[3-(chloromethyl)-6-nitroindolin-1-yl]carbonyl]-N-(1,3-dihydroxy-2-propyl)indole-6-carboxamide as a cream powder (29%), mp 230-231° C. (dec.)的产率得到2-[3-(chloromethyl)-6-nitro-indoline-1-carbonyl]-N-[2-hydroxy-1-(hydroxymethyl)ethyl]-1H-indole-6-carboxamide