申请人:Hoechst Aktiengesellschaft
公开号:US04725679A1
公开(公告)日:1988-02-16
The novel 2-amino-alkenylsulfonylureas of the formula (I) ##STR1## in which R.sub.1 and R.sub.2 denote hydrogen, alkyl, cycloalkyl or (substituted) phenyl, or R.sub.1 and R.sub.2, together with the common nitrogen atom, form a 5-membered to 7-membered (hetero)aliphatic ring, R.sub.3 denotes hydrogen, cycloalkyl, alkyl, alk(en)(yn)yloxy, alkylsulfen(in)(on)yl, --SO.sub.2 (N)(mono- or di-alkyl), (substituted) phenyl, benzyl, substituted hydroxycarbonyl or (substituted) aminocarbonyl, R.sub.4 has the meaning of R.sub.3 and additionally denote formyl, alkanoyl, (substituted) benzoyl, cycloalkylcarbonyl or C.sub.6 H.sub.5 --CH.sub.2 --O--CO--, or R.sub.3 and R.sub.4, together with the olefinic carbon atoms connecting them, form a 5-membered to 8-membered aliphatic ring system, R.sub.5 denotes H, alkyl, alkenyl, alkynyl, alkoxy or alkoxycarbonyl and R.sub.6 denotes alkyl or cycloalkyl, (substituted) phenyl or a (substituted) pyrimidinyl or (substituted) triazinyl ring, are useful intermediates for the preparation of plant protection agents.
化合物2-氨基烯烃磺酰脲的化学式(I)##STR1##中,R.sub.1和R.sub.2表示氢、烷基、环烷基或(取代)苯基,或者R.sub.1和R.sub.2与共同的氮原子一起形成一个5-至7-成员的(杂)脂肪环,R.sub.3表示氢、环烷基、烷基、烷烯基氧、烷基砜(亚)氧基、-SO.sub.2(N)(单烷基或二烷基)、(取代)苯基、苄基、取代羟基羰基或(取代)氨基羰基,R.sub.4具有R.sub.3的含义,并额外表示甲酰基、烷酰基、(取代)苯甲酰基、环烷基羰基或C.sub.6 H.sub.5-CH.sub.2-O-CO-,或者R.sub.3和R.sub.4与连接它们的烯烃碳原子一起形成一个5-至8-成员的脂肪环系统,R.sub.5表示H、烷基、烯烃基、炔基、烷氧基或烷氧羰基,R.sub.6表示烷基或环烷基、(取代)苯基或(取代)嘧啶基或(取代)三嗪基环,这些化合物是制备植物保护剂的有用中间体。