2 results about "Anthranilic acid" patented technology

The invention discloses a compound of resisting plant viruses: a pentadienone compound containing quinazolinone aryloxy and a preparation method and biological activity. The invention introduces a series of novel pentadienone derivatives containing quinazolinone aryloxy which are synthesized by six steps by taking substituted o-aminobenzoic acid, formamide, 35% formalin, 1, 4-dioxane, thionyl chloride, hydroxyl benzaldehyde, acetone, sodium hydroxide, hydrochloric acid, potassium carbonate, potassium iodide, substituted aromatic aldehyde, substituted heterocyclic aldehyde and the like as raw materials. The compound disclosed by the invention further has higher treating, protecting and passivating and inhibiting effects to cucumber mosaic virus (CMV), tobacco mosaic virus (TMV), southern rice black streaked dwarf virus (SRBSDV) and rice stripe virus (RSV), shows higher anti-plant virus activity, and can be used for preparing anti-plant virus pesticides.

The present invention relates to a process for preparing substituted anthranilic acid derivatives of the formula (I)in which R1, R2, R3 and R4 are each as defined in the description, by conversion of compounds of the general formula (IV) in the presence of a palladium catalyst and carbon monoxide. The present invention likewise relates to compounds of the general formula (IV).