Tetrahedron letters
Zirconium tetrachloride as a mediator for ambient temperature ortho-fries rearrangements
DC Harrowven, RF Dainty
Index: Harrowven, David C.; Dainty, Richard F. Tetrahedron Letters, 1996 , vol. 37, # 42 p. 7659 - 7660
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Citation Number: 51
Abstract
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.
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