[EN] PROCESS FOR THE PREPARATION OF 4-TRIFLUOROMETHYL-2(1H)-PYRIDINONE<br/>[FR] PROCEDE DE PREPARATION DE 4-TRIFLUOROMETHYL-2(1H)-PYRIDINONE
申请人:DOW AGROSCIENCES LLC
公开号:WO2006012320A1
公开(公告)日:2006-02-02
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.