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Synthesis of .beta.,.gamma.-unsaturated aldehydes by the [2,3]-sigmatropic rearrangement of allylic ammonium ylides

✍ Scribed by Mander, Lewis N.; Turner, John V.


Book ID
120360188
Publisher
American Chemical Society
Year
1973
Tongue
English
Weight
265 KB
Volume
38
Category
Article
ISSN
0022-3263

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Lewis acid mediated [2,3]-sigmatropic re
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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