A Novel NaI-Promoted Ring Expansion of Cyclopropylidene Alcohols to Dihydropyrans.

Authors :: Weijyn Fu
Xian Huang
Ying Lin
Source :: Synlett. 2007, Vol. 2007 Issue 2, p321-323. 3p.
Publication Year :: 2007
Abstract: A novel and efficient approach to prepare dihydropyrans via the ring expansion of cyclopropylidene alcohols in the presence of NaI in AcOH-MeCN was reported. The key feature in the transformation is the effect of the iodide anion. [ABSTRACT FROM AUTHOR]

Subjects :: *CYCLOPROPYLIDENE
*ALCOHOLS (Chemical class)
*IODIDES
*ANIONS
*RING formation (Chemistry)

Full Text Access

Tools