1952 年 72 巻 12 号 p. 1628-1630
Carbocyanine dyes were prepared from orthoformate and quinaldine methiodide or ethiodide or 2-methylbenzothiazole ethiodide, using 2-aminothiazole hydrochloride, formamide, p-nitrotoluene, 2-am ino-4-methylthiazole, acetamide, acetanilide, propionitrile, ammonium chloride, ethylene glycol, pyrocatechol, or dimethylaniline as an addition agent.