Synthesis of 1-{6-(2-methylbenzoyl)-N-ethylcarbazole-3-yl}-ethane-1-one oxime O-acetate

Synthesis of 1-{6-(2-methylbenzoyl)-N-ethylcarbazole-3-yl}-ethane-1-one oxime O-acetate 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 1H-NMR, 13C-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. Research on Chemical Intermediates Springer Journals

Synthesis of 1-{6-(2-methylbenzoyl)-N-ethylcarbazole-3-yl}-ethane-1-one oxime O-acetate

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Springer Netherlands
Copyright © 2011 by Springer Science+Business Media B.V.
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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