Imaging Science and Photochemistry ›› 2015, Vol. 33 ›› Issue (4): 265-274.DOI: 10.7517/j.issn.1674-0475.2015.04.265

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Synthesis of 1,2,4-Triarylbutane-1,4-Diones Using UV Light Mediated

HUANG Hongli1, GAO Guolin1, YANG Chao1, XIA Wujiong1, CHEN Xiaoming2   

  1. 1. Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, Heilongjiang, P. R. China;
    2. School of Laboratory Medicine & Life Science, Wenzhou Medical University, Wenzhou 325035, Zhejiang, P. R. China
  • Received:2015-03-31 Revised:2015-04-22 Online:2015-07-16 Published:2015-07-16

Abstract:

Benzoyl radical could be generated from photochemical cleavage reaction of benzoin, which then might add to C=C double bond of α,α-diaryl allylic alcohols followed by 1,2-aryl migration to realize the difunctionalization of alkenes. The reaction provided an efficient approach to synthesize 1,2,4-triarylbutane-1,4-diones. The procedure is highlighted by its operational simplicity and mild reaction conditions.

Key words: UV light, 1,2-aryl migration, difunctionalization, 1,2,4-triarylbutane-1,4-dione