申请人:Nippon Soda Co., Ltd.
公开号:EP1967514A1
公开(公告)日:2008-09-10
Phenolic compounds of general formula (I); and recording materials characterized by containing one of them and exhibiting high light stability wherein R1 and R2 are each hydrogen or C1-6 alkyl; m is an integer of 1 to 6; n is an integer of 0 to 2; p and t are each an integer of 0 to 3 with the proviso that not both are simultaneously 0; R3 and R4 are each nitro, carboxyl, halogeno, C1-6 alkyl, or the like; q and u are each an integer of 0 to 2 with the proviso that when q or u is 2, R3S or R4S may be different from each other; and Y is CO or NR5CO (wherein R5 is hydrogen or the like), with the provisos that when Y is CO, p is 1 and that when p is 0 and Y is NR5CO, n is not 0.
通式(I)的酚类化合物;以及含有其中一种并具有高光稳定性的记录材料 其中 R1 和 R2 分别为氢或 C1-6 烷基;m 为 1 至 6 的整数;n 为 0 至 2 的整数;p 和 t 分别为 0 至 3 的整数,但不能同时为 0;R3和R4各自为硝基、羧基、卤代基、C1-6烷基或类似物;q和u各自为0至2的整数,但当q或u为2时,R3S或R4S可以彼此不同;Y为CO或NR5CO(其中R5为氢或类似物),但当Y为CO时,p为1,当p为0且Y为NR5CO时,n不为0。