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作者:Ramana, D. V.、Ramadas, S. R.、Rao, Jagannadha K. J.、Padmanabhan, P. V.
DOI:——
日期:——
Hamed, Ezzat E.; El-Bardan, A. A.; Moussa, Adel M., Phosphorus, Sulfur and Silicon and the Related Elements, 1991, vol. 62, # 14, p. 269 - 274
作者:Hamed, Ezzat E.、El-Bardan, A. A.、Moussa, Adel M.
Metal-free direct C(sp3)−H functionalization of 2-alkylthiobenzoic acid to access 1,3-benzooxathiin-4-one
作者:Ke Yang、Yi Li、Mengjie Song、Shengfei Dai、Zheng-Yi Li、Xiaoqiang Sun
DOI:10.1016/j.cclet.2020.11.036
日期:2021.1
Abstract Metal-free direct α-C(sp3)–H intramolecular cyclization of 2-alkylthiobenzoic acid in the presence of Selectfluor is described. This novel strategy provides a facile and efficient method to access important 1,3-benzooxathiin-4-one derivatives with good functional groups tolerance and yields.