反应详情

Prepared from iodoethane (0.61 ml, 7.57 mmol), 4-fluoro-6-nitro-1,3-benzoxazol-2(3H)-one (EXAMPLE 86, Step 5, 1.2 g, 6.06 mmol) and 1,8-diazabicyclo[5.4.0]undec-7-ene (1.13 ml, 7.57 mmol) in DMF (10 ml) according to the method of EXAMPLE 86, Step 6 (1.10 g, 80%); mp 121–2° C.