Azo compounds and process for producing the same

摘要

PCT No. PCT/JP97/03637 Sec. 371 Date May 20, 1998 Sec. 102(e) Date May 20, 1998 PCT Filed Oct. 9, 1997 PCT Pub. No. WO98/16587 PCT Pub. Date Apr. 23, 1998A monoazo compound synthesized using 2-hydroxynaphthalene-3,6-dicarboxylic acid (or salt thereof), an amide, an ureide or an ester thereof as a coupler is novel, and is superior in water resistance, chemical resistance and solvent resistance. The present invention provides such a novel azo compound and a process for producing the same.