Compounds having the structures: ##STR1## wherein R is CH.sub.3 or CF.sub.3 and wherein R.sup.1 is H or CH.sub.3. compounds are prepared by a four step method involving (1) the formation of a benzylaminophenol or benzylaminohydroxypyridine, (2) the formation of a coumarin or azacoumarin, (3) sulfonation of the coumarin or azacoumarin and (4) neutralization of the sulfonate with sodium bicarbonate. The compounds are useful as water-soluble lasing dyes.
具有以下结构的化合物:##STR1##其中R为CH.sub.3或CF.sub.3,R.sup.1为H或CH.sub.3。该化合物通过四步法制备,包括(1)苯甲基
氨基
酚或苯甲基
氨基
羟基吡啶的形成,(2)
香豆素或氮杂
香豆素的形成,(3)
香豆素或氮杂
香豆素的磺化和(4)用
碳酸氢钠中和
磺酸盐。该化合物可用作
水溶性激光
染料。