| 摘要 |
<p>Benzoxazinone derivs., plant protection agents. Cpds. of formula (I): (where R2-R5 = H, halogen, alkyl, aryl, alkoxy, aroxy, alkylthio, arylthio, acyloxy, acylthio, NO2, CN, alkylamino, acylamino, carbalkoxy, carbaryloxy, sulpho-(ester), aldehydo or acyl, or 2 adjacent gps. may form a ring system opt. contg. heteroatoms; R6 = opt. substd. aliphatic, aromatic or heterocyclic gp.) and its enamine tautomer, may be prepd. by reacting a cpd. of formula: (where R1 = aliphatic or aromatic; X = halogen) with NH3.</p> |
