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A Catalytic Asymmetric Wagner−Meerwein Shift

✍ Scribed by Trost, Barry M.; Yasukata, Tatsuro

Book ID
127329294
Publisher
American Chemical Society
Year
2001
Tongue
English
Weight
48 KB
Volume
123
Category
Article
ISSN
0002-7863

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## Abstract On treatment with HSO~3~F in SO~2~C1F at 0°, 3‐hydroxy‐2,2‐dimethyl‐3‐phenyl‐propionic acid (**1a**) is transformed into 2‐phenyl‐3‐methyl‐2‐butenoic acid (**2a**) (isolated yield: 40–44%). Using monolabelled [3‐^13^C]‐**1a** (**1a**\*) and doubly labelled [1,3‐^13^C~2~]‐**1a** (**1a**\