ol7b02572_si_001.cif (13.65 kB)
Palladium-Catalyzed Cyclization of Alkynoic Acids To Form Vinyl Dioxanones Bearing a Quaternary Allylic Carbon
dataset
posted on 2017-09-19, 17:05 authored by Yohei Ogiwara, Kazuya Sato, Norio SakaiA palladium-catalyzed intramolecular
reaction of carboxylic acids
and alkynes in a novel cyclization manner was developed. This unique
cyclization efficiently provided a wide range of complex ring systemsvinyl
dioxanones bearing a quaternary allylic carbon. Mechanistic studies
suggest an allenyl carboxylate as an intermediate.