Tetrahedron Letters p. 5677 - 5680 (1991)
Update date:2022-08-11
Topics:
Wang
Meng
Kabalka
Crotylboronates react with alpha-oxocarboxylic acids in a highly stereocontrolled manner. The reaction presumably proceeds through a bicyclic transition state. The alpha-carboxylic substituent exerts a remarkable effect on the rate, regio- and stereoselectivities of the reaction; homoallylic alpha-hydroxycarboxylic acids are formed with regio- and stereoselectivities approach 100%.
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