| 摘要 |
<p>New phosphorothiolates having the following formula have herbicidal properties: wherein R1 and R2 are each a group of the formula or (in which X is a lower alkyl gxoup or halogen atom; Y is a halogen atom; Z is a hydrogen atom or methyl group; m is 1 or 2; n is 0, 1, or 2); R3 is an oxygen or sulfur atom, with the proviso that when R3 is sulfur atom, Y is chlorine or bromine; R4 is a group of the formula (except when R1 and R2 are both a group of the formula ), in which A and B are each a lower alkyl, lower alkenyl, lower alkynyl, benzyl, phenyl, nitro- or alkyl group- substituted phenyl group, or R4 is or , (wherein J is a lower alkyl group; p is 0, 1, or 2, q is 0 or 1), pyrrolldino, hexamethyleneimino, morpholino or dimethylmorpholino group</p> |
