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Susam, Zeynep Dilsad; Bozdemir, Merve; Gundogdu, Gulsum; Tanyeli, Cihangir
{ "DOI": "10.1039/d1nj05121k", "abstract": "Asymmetric organocatalytic domino type Michael-S(N)2 reactions give access to enantiomerically enriched dihydrofuran derivatives that can be used as valuable chiral building blocks. A variety of alpha-bromonitroalkenes and 1,3-dicarbonyl compounds were allowed to react under optimized conditions, in the presence of a bifunctional quinine-derived sterically encumbered squaramide (H-bond donor) organocatalyst. The conditions developed in this article have great advantages over the methods known in the literature in terms of reaction duration (1-6 h vs. 24-96 h) and reaction temperature (room temperature vs. -20 degrees C to -50 degrees C) giving rise to quite diastereoselective products with good enantioselectivities up to 97% ee.", "author": [ { "family": "Susam", "given": " Zeynep Dilsad" }, { "family": "Bozdemir", "given": " Merve" }, { "family": "Gundogdu", "given": " Gulsum" }, { "family": "Tanyeli", "given": " Cihangir" } ], "container_title": "NEW JOURNAL OF CHEMISTRY", "id": "233362", "issue": "2", "issued": { "date-parts": [ [ 2022, 1, 1 ] ] }, "page": "599-606", "title": "Enantioselective synthesis of 2,3-dihydrofurans using a bifunctional quinine/squaramide organocatalyst", "type": "article-journal", "volume": "46" }
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