申请人:Hamilton Thomas Christopher
公开号:US20050288511A1
公开(公告)日:2005-12-29
4-Trifluoromethyl-2(1H)-pyridinone is prepared by reaction of 4-alkoxy-1,1,1-trifluorobut-3-en-2-one or 4,4-dialkoxy-1,1,1-trifluorobutan-2-one with a trialkyl phosphonoacetate followed by cyclization.
4-三氟甲基-2(1H)-吡啶酮是通过将4-烷氧基-1,1,1-三氟丁-3-烯-2-酮或4,4-二烷氧基-1,1,1-三氟丁酮-2-酮与三烷基磷酸乙酯反应,然后进行环化反应制备的。