申请人:——
公开号:US20020042541A1
公开(公告)日:2002-04-11
The invention relates to a process for producing a bis(trifluoromethyl)benzaldehyde represented by the general formula [1]. This process includes reacting a mono-substituted bis(trifluoromethyl)benzene, represented by the general formula [2], with carbon monoxide and hydrogen in the presence of a catalyst and a base, the catalyst including a palladium compound and a phosphine,
1
wherein X is a halogen atom selected from F, Cl, Br and I, a trifluoromethanesulfonate group, or a pentafluoroethanesulfonate group.
本发明涉及一种生产由通式[1]表示的双(三氟甲基)苯甲醛的方法。该方法包括在催化剂和碱的存在下,将由通式[2]表示的单取代的双(三氟甲基)苯与一氧化碳和氢反应,所述催化剂包括钯化合物和膦化合物,其中X是从F、Cl、Br和I中选择的卤素原子、三氟甲烷磺酸基或五氟乙烷磺酸基。