| abstract |
NEW MATERIAL: Compounds of formula I [A is N, CA 1 (A 1 is H, halogen, CN, NO 2 , alkyl, alkoxy phenyl, etc.); D is N, CD 1 (D 1 is A 1 ), A and D are not N simultaneously; E is N, S; R 1 is alkyl, aralkyl, aryl, heteroaryl; R 2 is H, halogen, OH, NH 2 , alkyl, alkoxy, alkylthio, etc.; X is N, CH; Y is N, CR 3 (R 3 is H, halogen, CN, alkyl, formyl, etc.; Z is N, CR 4 (R 4 is H, halogen, OH, NH 2 , alkyl, etc.)]. n EXAMPLE: 2-(2-Methoxycarbonylsulfonylamino)-3-(4,6-diethoxy-triazin-2-yl)-2,3- dihydro-1,3,4-thiadiazole. n USE: Herbicide. n PROCESS: For example, sulfonylaminoheteroazole of formula II is reacted with azine of formula III (Q is halogen, alkylsufonyl) to obtain a compound of formula I. n COPYRIGHT: (C)1990,JPO |