有機合成化学協会誌
Online ISSN : 1883-6526
Print ISSN : 0037-9980
ISSN-L : 0037-9980
総説および総合論文
光塩基発生反応と塩基増殖反応を用いた高感度光反応性材料の開発
有光 晃二
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ジャーナル 認証あり

2012 年 70 巻 5 号 p. 508-516

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Only a few articles have mentioned photoreactive materials relying on base-catalyzed transformations have been reported. This is probably due to relatively low quantum yields for photobase generation and weaker basicity of photogenerated bases, leading to low photosensitivity of photoreactive materials sensitized with photobase generators (PBGs). We report here novel PBGs to release organic strong bases with high quantum yields and a novel concept of base proliferation to improve the photosensitivity of the photoreactive materials. The concept involves the base-catalyzed decomposition of an organic compound termed a base amplifier (BA) which produces a newborn base molecule, leading to its autocatalytic decomposition. The addition of BAs to the photoreactive materials resulted in the marked improvement of photosensitivity because the number of photogenerated base molecules increases markedly as a result of the base proliferation reaction of the doped BA.

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© 2012 社団法人 有機合成化学協会
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