Tetrahedron letters

Zirconium tetrachloride as a mediator for ambient temperature ortho-fries rearrangements

DC Harrowven, RF Dainty

文献索引：Harrowven, David C.; Dainty, Richard F. Tetrahedron Letters, 1996 , vol. 37, # 42 p. 7659 - 7660

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被引用次数: 51

摘要

Zirconium tetrachloride has been found to be an excellent mediator of the Fries reaction. Rearrangements occur at ambient temperature and are highly selective; giving the acetophenone derived from acetyl migration to the sterically least encumbered adjacent carbon.