2-甲氧基-5-(三氟甲基)苯甲醛合成路线 (共 5 条)
反应条件
1: 4-(Trifluoromethoxy)phenol With tert.-butyl lithium in tetrahydrofuran; pentane T=-78°C; 0.5 h; 2: 3: N,N-dimethyl-formamide in tetrahydrofuran; pentane
参考文献
WO2004/31190 A1, ;
Page 28-29 ;
WO 2004/031190 A1
反应条件
sodium methylate; acetic acid in water
反应条件
1: 81.5 percent / K2CO3 / acetone / 1) reflux, 8 h, 2) r.t., 12.25 h, 3) reflux, 7 h, 4) r.t., 17 h 2: 1) n-BuLi / 1) hexanes, 2) THF, solid CO2, 30 min, 3) 0 deg C, 1 h, 4) r.t., 1 h View Scheme
参考文献
Journal of Organic Chemistry, , vol. 58, # 6 p. 1385 - 1392
反应条件
n-butyllithium 1) hexanes, 2) THF, solid CO2, 30 min, 3) 0 deg C, 1 h, 4) r.t., 1 h; Yield given. Multistep reaction;
参考文献
Journal of Organic Chemistry, , vol. 58, # 6 p. 1385 - 1392
反应条件
methylmagnesium bromide in tetrahydrofuran
T=0 - 20°C;
参考文献
MERCK SHARP and DOHME LIMITED
Patent: WO2004/31190 A1, 2004 ;
Location in patent: Page 32 ;
WO 2004/031190 A1