反应详情

starting from 4-chloro-2-fluorobenzamide and triethyloxonium tetrafluoroborate there is obtained ethyl 4-chloro-2-fluorobenzimidate as an oil; mass spectrum: 202 (3.5), 201 (1), 200 (10), 182 (2), 173 (27), 157 (100), 156 (75);