Patent ID: 6034121
Filing Date: 2000-03-07
Classification: A01N,C07D

Abstract:
A compound of the formula ##STR27## where W is O, S(O).sub.n, N(R.sup.3), N(R.sup.3)N(R.sup.4), N(R.sup.3)O or ON(R.sup.3);R.sup.1 is an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl or phenyl group;R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, are as defined above for R.sup.1, or are acyl or optionally substituted heterocyclyl, andR.sup.2 and R.sup.3 or R.sup.2 and R.sup.4 or R.sup.3 and R.sup.4 together with the nitrogen or oxygen to which they are attached form an optionally substituted ring which may contain other hetero atoms:each X, which may be the same as or different from any other X, is halogen, CN, NO.sub.2, SF.sub.5, B(OH).sub.2, triakylsilyl or a group E, OE or S(O).sub.n E where E is a group as defined hereinbefore for R.sup.2 or is optionally substituted amino; or two adjacent groups X together with the atoms to which they are attached form an optionally substituted carbocyclic or heterocyclic ring;n is 0, 1 or 2;andp is 1 or 2 with one X group being in the 6-position and where p is 2, the other X group is in the 8-position,with the proviso when WR.sup.2 is methoxy, R.sup.1 is not 1-methylbenzyl or 1-ethylbenzyl.