Novel syntheses of di-iminonaphthalene type near-i.r. dyes
作者:Yuji Kubo、Minoru Kuwana、Ken Okamoto、Katsuhira Yoshida
DOI:10.1039/c39890000855
日期:——
New di-iminonaphthalenetypenear-i.r.dyes are conveniently synthesized by condensing 1-naphthylcyanamide with p-N,N-dialkylaminoanilines in the presence of an oxidising agent; their absorption properties are discussed.