Tetrahedron Letters p. 6799 - 6802 (1994)
Update date:2022-08-04
Topics:
Rychnovsky, Scott D.
Plzak, Kevin
Pickering, Dacia
Enantiomerically pure 4-lithio-2-alkyl-1,3-dioxanes, 11 and 13 were prepared by reductive lithiation of alkyl 2-thiopyridyl ether 10, which was in turn prepared by Barton radical decarboxylation of the homogenous acid.The optical activity was introduced by chirality transfer to and from the stereogenic acetal center. - Keywords - reductive lithiation; acetals; chirality transfer; thiopyridyl; radical decarboxylation.
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