Syntheses of highly functionalized cyclobutenes via [2+1+1] cycloaddition of isocyanides and an unprecedented ring expansion
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DOI: 10.1039/d4qo01518e
Abstract: A new type of Lewis acid catalytic [2+1+1] cycloaddition reactions of isocyanides with alkylidene malonates and 3‑alkylideneindolinones were reported herein. The method exhibited the easily accessible starting materials, broad substrate... read more here.
Keywords: syntheses highly; cyclobutenes via; functionalized cyclobutenes; highly functionalized ... See more keywords