反应详情

In the manner described in Example 6, O-benzyl hydroxyamine hydrochloride and 4,5,6,7-tetrahydrobenzo[b]thien-4-yl isocyanate are allowed to react to afford 1-(benzyloxy)-3-(4,5,6,7-tetrahydrobenzo[b]thien-4-yl)urea, which is recrystallized from 95% ethyl alcohol-methyl isobutyl ketone. The product melts at 96.5° C. to 99° C.

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