• 工作对两种常见商品紫外吸收剂——2-羟基-4-氧基二苯甲酮UV-9)2.4-羟基二苯甲酮(UV-0)基态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.

    youdao

  • 结果分离鉴定了2个化合物,其结构分别2 氧基- 3, 4 -亚氧基-二苯I), 4 羟基-2, 6 -氧基-二苯(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).

    youdao

  • 结果分离鉴定了2个化合物,其结构分别2 氧基- 3, 4 -亚氧基-二苯I), 4 羟基-2, 6 -氧基-二苯(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).

    youdao

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