磺草灵及其磺酰脲类化合物的合成

THE SYNTHESIS OF ASILAN AND SULFONYLUREA COMPOUNDS

由苯磺酰基异氰酸酯与4—氨基苯磺酰氨基甲酸酯反应,制得了具有两个除草活性基团的新化合物。

N-Phenylsulfony 1-N'-Phenylsulfonylcarbamaty 1 - ureas of formularR1 SO NHCNHSO2NHCOOR are new compounds that have two herbicidal groups. In the above formular R1 is chlorine or COOCH3;R2 is methyl or ethyl.The compounds of the above formular were prepared by reacting a phenylsulfony] isocyanate with 4-amino-benzene sulfonyl-carbamate. The product structures were identified.