Ye Yu-yua
2002
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Journal
Journal of Taizhou University
Abstract
The 2 - amino -6 - nitrobenzothiazole is synthesized fromP- nitroanilinum of technical grade by catalyst, It isdemonstrated by experiment that the optimum technological conditions are:p - nitroanilinum: amthio: beneze = 1: 1. 15:6.5; reac-tion temperature:80~ 85℃; response time: 10 hours; p -nitrothenylthiourea: catalyst = 1:0.093. room -temperature reaction,time:2 hours. Under the above - mentiened conditions, the total recovery reaches 64.5%, with its purity≥99%.