PYRIMIDOQUINAZOLINE PIGMENT, METHOD FOR MANUFACTURING PYRIMIDOQUINAZOLINE PIGMENT, AND PIGMENT COLORANT
申请人:Dainichiseika Color & Chemicals Mfg. Co., Ltd.
公开号:EP3521378A1
公开(公告)日:2019-08-07
The present invention provides a pyrimidoquinazoline pigment having a novel pyrimidine skeleton, the pyrimidoquinazoline pigment having excellent pigment properties, such as coloring power and durability, and excellent infrared reflectivity and a method for producing the pyrimidoquinazoline pigment, and a pigment colorant using the pyrimidoquinazoline pigment. The present invention relates to a pyrimidoquinazoline pigment represented by the following formula (1), wherein R1 and R2 each independently represent a benzene ring or a naphthalene ring optionally having a substituent, and a method for producing the pyrimidoquinazoline pigment. In addition, the present invention relates to a pigment colorant containing the pyrimidoquinazoline pigment.