本工作对两种常见的商品紫外吸收剂——2-羟基-4-甲氧基二苯甲酮（UV-9）和2.4-二羟基二苯甲酮（UV-0）在基态和激发态时的离解常数进行了测定。

In this paper the pK values of both commonly commercial UV-absorbers-2- hydroxy-4-methoxy-benzophenone (UV-9) and 2,4-dihydroxy-benzophenone (UV-0) at ground and excited states have been determined.

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结果分离鉴定了2个二苯酮化合物，其结构分别为2 甲氧基- 3， 4 -亚甲二氧基-二苯酮（I）， 4 羟基-2， 6 -二甲氧基-二苯酮（II）。

Results A new benzophenone was isolated and identified as 2-methoxy-3,4-methylenedioxy-benzophenone (I), along with a known compound 4-hydroxy-2,6-dimethoxy-benzophenone (II).

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标题化合物C24H22N2O2是由N-（4-羟基苯亚甲基）喹啉-5-胺和5，5-二甲基-1，3-环己二酮在氯化三乙基苄基铵（TEBAC）催化下以水作溶剂反应而得。

The title compound C24H22N2O2 has been synthesized by the reaction of N-arylidenenaphthalen-2-amine with 5,5-dimethyl-1,3-cyclohexadione water catalyzed by triethylbenzylammonium chlorideTEBAC.

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