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.
<i>N</i>-Cyano-<i>N</i>′-diethylaminophenyl-1,4-naphthoquinonediimines: New Chromophores for Second-order Nonlinear Optical Materials
作者:Yuji Kubo、Toyohisa Takaba、Shinji Aramaki
DOI:10.1246/cl.1997.255
日期:1997.3
New chromophores for second-order nonlinear optical materials, N-cyano-N′-diethylaminophenyl-1,4-naphthoquinonediimines, were proposed. The electro-optic poled polymers showed large second-order nonlinear hyperpolarizability (μβ) in a constant electric field at incident irradiation wavelength of 1.3 μm, being 4 - 6 times than that of commonly used Disperse Red 1.
Silver halide photographic light-sensitive material
申请人:KONICA CORPORATION
公开号:EP0110633A2
公开(公告)日:1984-06-13
A silver halide photographic light-sensitive material is described which comprises a support having thereon a plurality of silver halide emulsion layers which possess different speeds but sensitivities in the same spectral region and at least one light-sensitive layer comprising a non-diffusible coupler capable of forming non-diffusible dye by reaction with an oxidation product of a color developing agent, wherein the silver halide emulsion layer having the highest speed among said plurality of silver halide emulsion layers contains a non-diffusible coupler capable of producing a movable dye by reaction thereof with an oxidation product of a color developing agent and a non-diffusible compound capable of releasing a development inhibitor by reaction thereof with an oxidation product of a color developing agent.
Farbphotographisches Aufzeichnungsmaterial wird beschrieben, welches einen Magentakuppler enthält und als Stabilisator mindestens eine Verbindung der Formel
oder
enthält, wobei die Reste die in Anspruch 1 angegebenen Bedeutungen haben.