Lewis acid mediated [2,3]-sigmatropic re
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Jan Blid; Peter Somfai
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Article
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2003
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Elsevier Science
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French
β 84 KB
An investigation of the Lewis acid mediated [2,3]-sigmatropic rearrangement of allylic ammonium ylides has been conducted by employing various bases and boron Lewis acids. Using BBr 3 together with the phosphazene base 6, various allylic amines could be rearranged in good yields with low to excellen