| 摘要 |
<p>Pyrazole derivatives represented by general formula (I) and exhibiting an excellent effect as the active ingredient of herbicides; intermediates for the preparation of the derivatives; processes for the preparation of both; and herbicides containing the derivatives as the active ingredient. In said formula, R1a is optionally substituted C¿1-12? alkyl or optionally substituted C7-11 aralkyl; R?2a¿ is hydrogen, optionally substituted C¿1-12? alkyl, optionally substituted C3-8 cycloalkyl, optionally substituted C7-11 aralkyl, optionally substituted C3-6 alkenyl, optionally substituted C3-6 alkynyl, optionally substituted acyl, or optionally substituted sulfonyl; R?3¿ is hydrogen, C¿1-6? alkyl, or halogeno; and R is optionally substituted carbamoyl or optionally substituted acylamino.</p> |
