Process for the preparation of 6-(perfluoroalkyl) uracil compounds from
申请人:American Cyanamid Company
公开号:US06140270A1
公开(公告)日:2000-10-31
An improved process for the preparation of 6-(perfluoroalkyl)uracil compounds having the structural formula I ##STR1## from 2-(N,N-disubstituted)amino-4-(perfluoroalkyl)-1,3-oxazin-6-one compounds having the structural formula II ##STR2##
Processes and intermediate compounds for the preparation of 2-(N,N-disubstituted) amino-4-(perfluoroalkyl)-1, 3- oxazin-6-one and 6-(perfluoroalkyl) uracil compounds
申请人:BASF Aktiengesellschaft
公开号:US06355796B1
公开(公告)日:2002-03-12
An improved process and intermediate compounds for the preparation of 2-(N,N-disubstituted)amino-4-(perfluoroalkyl)-1,3-oxazin-6-one compounds having the structural formula I
and an improved process for the preparation of 6-(perfluoroalkyl)uracil compounds having the structural formula V
3-(1,2-benzisothiazol- and isoxazol-5-Y1)-2,4(1H,3H)-pyrimidinedione or thione and 3-(1,2-benzisothiazol- and isoxazol-5-y1)-4(3H)-pyrimidinone or thione herbicidal agents
申请人:BASF AKTIENGESELLSCHAFT
公开号:EP0908457B1
公开(公告)日:2002-11-13
PROCESSES AND INTERMEDIATES FOR THE PREPARATION OF 1,3-OXAZIN-6-ONES AND URACILS