3-HYDROXY-6H-BENZO [C] CHROMENE-6-ONE DERIVATIVE AND MANUFACTURING METHOD THEREOF

摘要

A method of manufacturing a compound or a salt thereof expressed with a formula (III) below, characterized by causing a compound or a salt thereof expressed with a formula (I) below and a compound or a salt thereof expressed with a formula (II) below to react in the presence of carbonate and copper salt or in the presence of hydroxide salt, carbonate, and copper salt.;

主权项

1. A compound or a salt thereof, expressed with a formula (IIIa) belowwherein R7 represents a hydrogen atom, a lower alkyl group, a nitro group, an amino group, or a lower alkylamino group, R8 represents a hydrogen atom or a lower alkyl group, R9 represents a hydrogen atom or a lower alkyl group, and R10 represents a hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower cycloalkyl group, an aryl group, a hydroxy group, a lower alkoxy group, a lower alkenyloxy group, a lower cycloalkyloxy group, an aryloxy group, or an arylalkyloxy group.