申请人:Imperial Chemical Industries Limited
公开号:US04242350A1
公开(公告)日:1980-12-30
The invention relates to a thiadiazole derivative of the formula I: ##STR1## in which Y is O, S, CH.sub.2, SO or a direct bond; m is 0 to 4 and n is 1 to 4 provided that when Y is S, O or SO m is 1 to 4, and when Y is O or SO n is 2 to 4; R.sup.1 is H or (C.sub.1-10)alkyl; A is 3,4-dioxocyclobuten-1,2-diyl or C=Z in which Z is O, S, NCN, NNO.sub.2, CHNO.sub.2, NCONH.sub.2, C(CN).sub.2, NCOR.sup.2, NCO.sub.2 R.sup.2, NSO.sub.2 R.sup.2 or NR.sup.3 in which R.sup.2 is (C.sub.1-6)alkyl or (C.sub.6-12)aryl and R.sup.3 is H or C.sub.1-6)alkyl; B is (C.sub.1-6)alkoxy, (C.sub.1-6)alkylthio or NR.sup.4 R.sup.5 in which R.sup.4 and R.sup.5 are independently H, (C.sub.1-10)alkyl, C.sub.3-6 (alkenyl), (C.sub.3-6)alkynyl, (C.sub.2-6)(primary hydroxy)alkyl, (C.sub.2-6)(primary amino)alkyl or C.sub.3-6)cycloalkyl or R.sup.4 and R.sup.5 are joined to form a 5- or 6- membered saturated ring optionally containing an additional O or NH: and the salts thereof.
该发明涉及公式I的噻二唑衍生物:##STR1##其中Y为O、S、CH.sub.2、SO或直接键;m为0至4,n为1至4,条件是当Y为S、O或SO时,m为1至4,当Y为O或SO时,n为2至4;R.sup.1为H或(C.sub.1-10)烷基;A为3,4-二氧代环丁烷-1,2-二基或C=Z,其中Z为O、S、NCN、NNO.sub.2、CHNO.sub.2、NCONH.sub.2、C(CN).sub.2、NCOR.sup.2、NCO.sub.2 R.sup.2、NSO.sub.2 R.sup.2或NR.sup.3,其中R.sup.2为(C.sub.1-6)烷基或(C.sub.6-12)芳基,R.sup.3为H或(C.sub.1-6)烷基;B为(C.sub.1-6)烷氧基、(C.sub.1-6)烷基硫氧基或NR.sup.4 R.sup.5,其中R.sup.4和R.sup.5独立地为H、(C.sub.1-10)烷基、C.sub.3-6(烯基)、(C.sub.3-6)炔基、(C.sub.2-6)(一元羟基)烷基、(C.sub.2-6)(一元氨基)烷基或C.sub.3-6)环烷基,或R.sup.4和R.sup.5连接形成一个含有额外O或NH的5-或6-成员饱和环;及其盐。