PHOTOCHEMICAL FRIES REARRANGEMENT OF N-PHENYL-2-PYRROLIDONE

被引:4
作者
OHTA, S
SANO, A
YAMASHITA, M
OKAMOTO, M
机构
[1] Kyoto Parmaceutical University, Yamashinaku, Kyoto, 607
关键词
D O I
10.3987/COM-92-6217
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Photochemical Fries rearrangement of 1-phenyl-2-pyrrolidone (1) proceeded smoothly in methanol especially in the presence of piperylene. Continuous photo-irradiation of 1 successfully was carried out to raise the yield by utilizing a reaction mixture-circulation system consisting of a spiral quartz cell, a pump, a uv light source and a column packed with appropriate absorbents for the Fries rearranged product (3) and pigments.
引用
收藏
页码:743 / 749
页数:7
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