Direct oxidative cyclization of 3-arylpropionic acids using PIFA or Oxone: synthesis of 3,4-dihydrocoumarins
Direct oxidative cyclization of 3-arylpropionic acids using PIFA or Oxone: synthesis of 3,4-dihydrocoumarins
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DOI:
10.1016/j.tetlet.2009.10.112
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发表时间:
2010-01-06
影响因子:
1.8
通讯作者:
Xue, Kun
中科院分区:
文献类型:
--
作者:
Gu, Yonghong;Xue, Kun
The direct oxidative cyclization of 3-arylpropionic acids using PIFA or Oxone is reported. In the presence of BF(3)center dot OEt(2), the reaction of 3-arylpropionic acids with PIFA or Oxone proceeded smoothly at 30 degrees C to give 3,4-dihydrocoumarins in good to excellent yields. (C) 2009 Elsevier Ltd. All rights reserved.