%0 Journal Article %A Meek, Simon J. %A Pradaux, Fabienne %A Demont, Emmanuel H. %A P. A. Harrity, Joseph %D 2007 %T Investigation of the Scope of a Co-Mediated O → C Ring-Contraction %U https://acs.figshare.com/articles/journal_contribution/Investigation_of_the_Scope_of_a_Co_Mediated_O_C_Ring_Contraction/3010816 %R 10.1021/jo0701132.s001 %2 https://ndownloader.figshare.com/files/4712128 %K series %K Scope %K investigation %K dicobalthexacarbonyl moiety %K approach %K rearrangement reaction %K cyclopropane %K dihydropyran %K substrate %K dihydrofuran %X A series of dihydropyrans bearing a dicobalthexacarbonyl moiety have been found to undergo an efficient Al-promoted O → C ring-contraction process. This rearrangement reaction operates successfully for a broad range of substrates. Moreover, the potential of this approach for generating cyclopropanes from the corresponding dihydrofurans has been demonstrated. %I ACS Publications