申请人:NIPPON SODA CO., LTD.
公开号:EP0493605A1
公开(公告)日:1992-07-08
A diphenyl sulfone derivative represented by general formula (I), which is highly safe and used for imparting storage stability to a colored image of thermal recording material or the like, wherein R¹ represents lower alkenyl or aralkyl optionally substituted with halogen or lower alkyl, and R² represents hydrogen or methyl, provided that R² represents methyl when R¹ represents unsubstituted benzyl.
一种由通式(I)表示的二苯砜衍生物,安全性高,可用于赋予热敏记录材料或类似材料的彩色图像以储存稳定性,其中 R¹ 代表低级烯基或芳烷基,可选择被卤素或低级烷基取代,R² 代表氢或甲基,但当 R¹ 代表未取代的苄基时,R² 代表甲基。