申请人:Kimura Keizo
公开号:US20070055071A1
公开(公告)日:2007-03-08
A method of producing a near-infrared absorbing dye compound, useful for image forming materials, infrared heat-sensitive recording devices, optical film materials, and the like, containing a process of reacting a compound represented by formula (I) with halogenating agent.
wherein R
111
, R
112
, R
121
, R
122
, R
131
, R
132
, R
141
and R
142
each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R
103
, R
113
, R
123
, R
133
and R
143
each independently represent a substituent; and n
103
, n
113
, n
123
, n
133
and n
143
each independently denote an integer from 0 to 4.
一种生产近红外吸收染料化合物的方法,该方法适用于图像形成材料、红外热敏记录装置、光学薄膜材料等领域,包括通过卤化试剂反应式(I)所表示的化合物的过程。其中,R111、R112、R121、R122、R131、R132、R141和R142各自独立地表示氢原子、脂肪基或芳香基;R103、R113、R123、R133和R143各自独立地表示取代基;n103、n113、n123、n133和n143各自独立地表示0至4的整数。