Tetrahedron Letters p. 5903 - 5906 (1991)
Update date:2022-09-26
Topics:
Nguyen, Thinh
Negishi, Ei-ichi
α-Lithiation of dihydrofuran, benzofuran, and dihydropyran followed by treatment with various organolithiums stereoselectively produces in good yields the corresponding ring-opened (E)-alkenyllithiums, i. e., (E)-β(or γ)-hydroxy-ω-alkenyl-ω-lithioalkenes, the lithium atom of which can be readily replaced with H, D, or C groups, such as CO2 or Me.
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