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FeCl3-catalyzed dimerization/elimination of 1,1-diarylalkenes: efficient synthesis of functionalized 4H-chromenes†
Organic & Biomolecular Chemistry ( IF 3.2 ) Pub Date : 2018-01-03 00:00:00 , DOI: 10.1039/c7ob02941a
Chao Ma 1, 2, 3, 4, 5 , Yu Zhao 5, 6, 7
Affiliation  

An efficient synthesis of valuable poly-substituted 4H-chromenes was developed via a [4 + 2] cycloaddition followed by the elimination of 1,1-diarylalkenes. The inexpensive FeCl3 salt has proven to be an efficient catalyst for this transformation. The commercial availability of the catalyst and reagents, together with a convenient procedure, makes this an attractive method for 4H-chromene synthesis.

中文翻译:

FeCl 3催化的1,1-二芳基烯烃的二聚/消除:官能化的4 H-色烯的有效合成

通过[4 + 2]环加成反应,然后消除1,1-二芳基烯烃,开发了一种有价值的多取代4 H-色烯的有效合成方法。廉价的FeCl 3盐已被证明是这种转化的有效催化剂。催化剂和试剂的商业可得性,以及方便的程序,使得该方法成为用于4 H-苯甲基合成的有吸引力的方法。
更新日期:2018-01-03
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