G. Chang
2004
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Journal
Liaoning Chemical Industry
Abstract
The technological method to synthesize 2-chlorobenzothiazole under the condition of existing catalyst in chlorobenzene using promoter M (dithiobis) as main component and sulphone chloride as chlorinating agent was introduced. the effect of compounding proportion of the used materials (promoter M: sulphone chloride), dropping time (sulphone chloride), promoter's dosage and the dropping temperature on the reaction was discussed. According to the result analysis and the data comparison, the best technological condition was determined. The product content reached 95 % or more; yield reached 90 %.