反应详情

Step 1 of Example 1 was repeated except that cyclopentylcarbonyl chloride was used instead of pivaloyl chloride, and that 2-oxo-3-tert-butoxycarbonylamino-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine obtained from Referential Example 4 was used instead of 2-oxo-3-tert-butoxycarbonylamino-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine, to thereby obtain the title compound.