反应详情

The reaction and aftertreatment were conducted in the same manner as in Example 4a by using 1-ethylpyrazole (2.50 g, 26.0 mmol), butyl lithium (1.63 M solution in hexane; 18.1 mL, 29.5 mmol), cyclohexene oxide (2.97 g, 30.3 mmol) and THF (60 mL), to yield the title compound (2.86 g, 57%) as a colorless oil.

1. customThe reaction and aftertreatment