Tandem Wittig Reaction-Ring Contraction of Cyclobutanes: A Route to Functionalized Cyclopropanecarbaldehydes.
Federico CuccuLorenzo SerusiAlberto LuridianaFrancesco SecciPierluigi CaboniDavid J AitkenAngelo FrongiaPublished in: Organic letters (2019)
An original tandem reaction consisting of a Wittig reaction-ring contraction process between α-hydroxycyclobutanone and phosphonium ylides has been developed. Highly functionalized cyclopropanecarbaldehydes are obtained in good to high yield.