反应详情

3 was prepared, as an amber syrup, by treating 7-hydrazino-2,3-dihydro-2,2,4-trimethylbenzofuran (prepared by the method described in U.S. Pat. No. 4,406,910) according to the procedures described in Example 1 for preparing 1F from 1D.

1. custom3 was prepared, as an amber syrup
2. customprepared by the method