The hitherto unknown N-acylindigo has been selectively prepared by heating the corresponding known N,N′-diacylindigo in aqueous pyridine. The data of N-acetyl, N-benzoyl, N-(p-toluoyl), N-(p-chlorobenzoyl), N-(p-nitrobenzoyl), and N-(3,5-dinitrobenzoyl)indigo are summarized.
通过在
吡啶水溶液中加热相应的已知 N,N′-
二乙酰基靛蓝,选择性地制备了迄今未知的 N-酰基靛蓝。本文总结了 N-乙酰基、N-苯甲酰基、N-(对
甲苯甲酰基)、N-(对
氯苯甲酰基)、N-(对
硝基苯甲酰基)和 N-(3,5-
二硝基苯甲酰基)靛蓝的数据。