期刊
RESEARCH ON CHEMICAL INTERMEDIATES
卷 38, 期 1, 页码 105-111出版社
SPRINGER
DOI: 10.1007/s11164-011-0329-4
关键词
Photoinitiator; One-pot; Phase transfer; Green chemistry
资金
- National Natural Science Foundation of China [21076183, 21006087]
- Natural Science Foundation of the Zhejiang Province [Y4100147]
1-{6-(2-Methylbenzoyl)-N-ethylcarbazole-3-yl}-ethane-1-one oxime O-acetate, an excellent two-photon carbazole photoinitiator, was synthesized with moderate yield (76.9%) starting from the successive o-methyl benzoylation and acetylation of N-ethylcarbazole, followed by oximation and esterification in the article. The structure was confirmed by H-1-NMR, C-13-NMR, and IR. The by-product acetic acid in the neutralization of hydroxylamine hydrochloride is effectively utilized in esterification with the aid of the one-pot process. In particular, the phase transfer technique is applied to overcome the deficiency of low reaction rate caused by heterogeneous reaction conditions in esterification.
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