| 摘要 |
<p>A process for preparing triazolone compounds of formula (i) comprises heating a mixture of a compound of formula (ii) and a hydrazine derivative of the formula R5-NH-NH-CHO, R5-NH-NH-C(O)OC(CH¿3?)3 or R?5¿-NH-NH-C(O)OCH¿2?C6H5, optionally in the presence of an added base.</p> |
