申请人:Hoechst Aktiengesellschaft
公开号:US04756739A1
公开(公告)日:1988-07-12
The compounds of the formula I ##STR1## in which A denotes N or N.fwdarw.O, Z denotes O or NH, R denotes H, (halo)alkyl, (halo)alkenyl, (halo)alkynyl or alkoxycarbonyl, R.sup.1 denotes hydrogen, halogen, amino, --NHOH, hydroxyl, (substituted) phenylazo or a radical of the formulae Y=C=N--, Y.sup.1 Y.sup.2 C.dbd.N--, Y.sup.3 NH-- or ##STR2## K denotes 0 or 1, and m and n, independently of one another, denote a number from 1 to 4, with the proviso that, when Z-R denotes OH or NH.sub.2, (R.sup.1).sub.n denotes at least one radical of the formula ##STR3## or represents two radicals, in the 5 or 6 position of the heterocyclic ring, which, in the 5 position, denote halogen and, in the 6 position, denote a radical of the group comprising halogen, amino, hydroxyl or phenylazo, which may be substituted as specified above, are valuable intermediates in the synthesis of plant protection agents.
式I的化合物中,A表示N或N.fwdarw.O,Z表示O或NH,R表示H、(卤)烷基、(卤)烯基、(卤)炔基或烷氧羰基,R.sup.1表示氢、卤素、氨基、--NHOH、羟基、(取代)苯偶氮或公式Y=C=N--、Y.sup.1 Y.sup.2 C.dbd.N--、Y.sup.3 NH--或##STR2##的基团,K表示0或1,m和n独立地表示1至4的数字,但当Z-R表示OH或NH.sub.2时,(R.sup.1).sub.n表示至少一个公式##STR3##的基团或代表在杂环环的5或6位置的两个基团,其中在5位置表示卤素,在6位置表示羟基或取代如上所述的苯偶氮基团或苯基,这些化合物是合成植物保护剂的有价值的中间体。