发明授权
US5378678A 2-aryl-5,6-ring-fused pyrimidines and herbicidal use 失效
2-芳基-5,6-环稠合的嘧啶和除草用途

2-aryl-5,6-ring-fused pyrimidines and herbicidal use
摘要:
A class of 2-aryl-5,6-ring-fused pyrimidines which is useful in the control of weeds is of the general formula: ##STR1## wherein Ar is an optionally substituted aromatic or heteroaromatic ring; R.sup.3 is an alkynyl or alkoxyalkyl group, -R.sup.5 - - R.sup.6 - is a fused ring moiety bonded to the pyrimidine ring at the 5 and 6 positions; and X is oxygen or sulfur.
信息查询
0/0