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
在催化量的旋光
氨基醇的存在下,辐射在γ-位带有至少一个氢的α-二取代的
茚满酮,四氢
萘酮和丙苯酮可导致诺里斯II型裂解化合物,对映体过量达到89%。分析了反应条件的影响(温度,紫外线的波长和醇的性质)。