Synthesis and Fluorescent Properties of Alkynylated 3‑Methylidenephthalides with Extended π‑Systems
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DOI: 10.1021/acsomega.5c07356
Abstract: The iodocyclization of (iodoethynyl)benzoate via the 5-exo-dig pathway affords (diiodomethylene)isobenzofuran-1(3H)-one. The Sonogashira cross-coupling of the diiodide proceeds stereoselectively by the substitution of one iodine atom and protodeiodination of the second one, giving Z-isomers of alkynylated… read more here.
Keywords: synthesis fluorescent; properties alkynylated; extended systems; methylidenephthalides extended ... See more keywords