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Facile Synthesis of α,β-Acetylenic Ketones and 2,5-Disubstituted Furans: Consecutive Activation of Triple and Double Bond with ZnBr2 Toward the Synthesis of Furan Ring.

✍ Scribed by Ka Young Lee; Mi Jung Lee; Jae Nyoung Kim


Publisher
John Wiley and Sons
Year
2005
Weight
29 KB
Volume
36
Category
Article
ISSN
0931-7597

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ChemInform Abstract: The Reactions of α-
✍ W. M. ABDOU; N. A. GANOUB 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 37 KB 👁 1 views

Synthesis of α,β-Unsaturated Sulfoxides and Aryl 1,2-x-Fused onto Furan Rings. -ortho-Quinones react non-uniformly with α-phosphoryl sulfoxide (II) to furnish mono-olefins [cf. (III)] or fused dihydrofuran derivatives [cf. (V), (VII)]. Contrary, the p-quinones (VIII) react with (II) in the usual ma