Allophanimidates and carbamates of the formulas ##STR1## 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
化学式为##STR1##其中R.sub.1是氢或烷基; R.sub.2是烷基,环烷基,环烷基烷基,烯基,炔基,苄基或苯基,可以选择性地被取代; R.sub.3是SR.sub.4或OR.sub.4; R.sub.4是烷基,环烷基,烯基,炔基,苯基或苄基; R.sub.5是烷基,烯基,环烷基,苄基或苯基,可以选择性地被取代; R.sub.6是氢或烷基X.sub.1,x.sub.2和X.sub.3是氧或
硫,可用作
除草剂。该化合物的示例是甲基4-叔丁基-N-甲氧羰基-1-
硫代尿
氨酸酰胺。