Allophanimidates and carbamates of the formulas ##EQU1## where R.sub.1 is hydrogen or alkyl; R.sub.2 is alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, alkynyl, benzyl or phenyl optionally substituted; R.sub.3 is SR.sub.4 or OR.sub.4 ; R.sub.4 is alkyl, cycloalkyl, alkenyl, alkynyl, phenyl, or benzyl; R.sub.5 is alkyl, alkenyl, cycloalkyl, benzyl or phenyl optionally substituted; and R.sub.6 is hydrogen or alkyl X.sub.1, x.sub.2 and X.sub.3 are oxygen or sulfur, Are useful as herbicides. Exemplary of the compounds is methyl 4-tert-butyl-N-methoxycarbonyl-1-thioallophanimidate.
Allophanimidates和carbamates的
化学式如下:其中R.sub.1为氢或烷基;R.sub.2为烷基、环烷基、环烷基烷基、烯基、炔基、苄基或苯基,可选择性地取代;R.sub.3为SR.sub.4或OR.sub.4;R.sub.4为烷基、环烷基、烯基、炔基、苯基或苄基;R.sub.5为烷基、烯基、环烷基、苄基或苯基,可选择性地取代;R.sub.6为氢或烷基;X.sub.1、x.sub.2和X.sub.3为氧或
硫。这些化合物可作为
除草剂。其中一种典型的化合物是甲基4-叔丁基-N-甲氧羰基-1-
硫代
脲基。