Tetrahedron Letters p. 3395 - 3396 (1991)
Update date:2022-07-29
Topics:
Kim
Uh
Lee
Park
Pd(0)-catalyzed ring expansion of vinyl oxaspirohexanes occurred smoothly in the presence of 1 equiv of p-nitrophenol in tetrahydrofuran, yielding initially 2-vinylcyclopentanones in high yields. However, vinyl oxaspiroheptanes failed to undergo ring expansion under the present conditions.
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