Process for the preparation of 4-trifluoromethyl-2(1H)-pyridinone
摘要
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.
申请公布号
US7488828(B2)
申请公布日期
2009.02.10
申请号
US20050166485
申请日期
2005.06.24
申请人
DOW AGROSCIENCES LLC
发明人
HAMILTON CHRISTOPHER THOMAS;GULLO MICHAEL FREDERICK;GONZALEZ MICHAEL ALLEN;ROTH GARY ALAN;GORMAN DAVID BRUCE;GEBHARDT JOACHIM;GOETZ NORBERT;JAEDICKE HAGEN;MAYER GUIDO;RACK MICHAEL