反应详情

In the manner described in Example 6, N-methylhydroxylamine hydrochloride and 4,5,6,7-tetrahydrobenzo[b]thien-4-yl isocyanate are allowed to react to afford 1-hydroxy-1-methyl-3-(4,5,6,7-tetrahydrobenzo[b]thien-4-yl)urea, which is recrystallized from acetone-hexane-ether to give crystals, with melting point 98° C. to 102° C.

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