1: 3,5-bis(trifluoromethyl)phenyl bromide With magnesium in tetrahydrofuran T=45°C; 2: acetyl chloride With copper(l) chloride in tetrahydrofuran T=30 - 40°C;
参考文献
Nightingale, Peter David; O'Neill, Reginald Barry; Rhodes, Robert
Patent: US2004/19243 A1, 2004 ;
Location in patent: Page 3 ;