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
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##
Process for the preparation of 6-(perfluoroalkyl) uracil compounds form urea compounds
申请人:American Cyanamid Company
公开号:US06191275B1
公开(公告)日:2001-02-20
An improved process for the preparation of 6-(perfluoroalkyl)uracil compounds having the structural formula I
from urea compounds having the structural formula II
从具有结构式II的尿素化合物中制备具有结构式I的6-(全氟烷基)尿嘧啶化合物的改进过程
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