(3-oxoisoindolin-1-ylidine)propandinitrile derivatives and method for preparing the same
 Derivatives of (3-oxoisoindolin-1-ylidine)propandinitrile, and a method for preparing the derivatives, are disclosed herein. The (3-oxoisoindolin-1-ylidine)propandinitrile derivatives can be prepared easily and at low cost. Also, the derivatives show good heat resistance at temperatures required for manufacturing an electro-optic device, and can minimize light loss at a near infrared light wavelength range by replacing hydrogen of the C--H bond with halogen atom. As a result, the derivatives of the present invention are useful as an optical material for an electro-optic device. In addition, the (3-oxoisoindolin-1-ylidine)propandinitrile derivatives can be used as an intermediate for synthesizing a new compound having good electro-optic characteristics and heat resistance. 
SamSung Electronics Co., Ltd.
G G C
G02F G02F C07D
inventional inventional inventional
Dong-Hack Hyun-Cheual Tae-Hyung
Suh Choi Rhee