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Tetrahedron

Photoreactivity of α-tetrasubstituted arylketones: production and asymmetric tautomerization of arylenols

F Hénin, A M'Boungou-M'Passi, J Muzart, JP Pète

文献索引:Henin, Francoise; M'Boungou-M'Passi, Athanase; Muzart, Jacques; Pete, Jean-Pierre Tetrahedron, 1994 , vol. 50, # 9 p. 2849 - 2864

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被引用次数: 34

摘要

In the presence of catalytic amounts of optically active aminoalcohols, the irradiation of α- disubstituted indanones, tetralones and propiophenones bearing at least one hydrogen in the γ-position led to Norrish type II cleavage compounds which were obtained with enantiomeric excesses reaching 89%. The influence of the reaction conditions (temperature, wavelength of the UV light and nature of the alcohol) has been analyzed.