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   Articles with "oxazolidin one" as a keyword



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Synthesis of 4,5,6,7-tetrahydrobenzoxazol-2-ones by a highly regioselective Diels-Alder cycloaddition of exo-oxazolidin-2-one dienes with chalcones

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recommendations! Published in 2019 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2019.04.027

Abstract: Abstract The synthesis of novel of 4,5,6,7-tetrahydrobenzoxazol-2-ones is herein reported. They were obtained in moderate to good yields by a highly regio- and stereoselective Diels-Alder cycloaddition of N-substituted exo-oxazolidin-2-one dienes with chalcones or bis-chalcones as… read more here.

Keywords: oxazolidin one; one dienes; alder cycloaddition; exo oxazolidin ... See more keywords
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Synthesis of Linear Poly(oxazolidin-2-one)s by Cooperative Catalysis Based on N-Heterocyclic Carbenes and Simple Lewis Acids

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recommendations! Published in 2019 at "Macromolecules"

DOI: 10.1021/acs.macromol.8b02403

Abstract: The synthesis of isocyanurate-free, linear poly(oxazolidin-2-one)s starting from diepoxides and aromatic as well as aliphatic diisocyanates is reported. N-Heterocyclic carbenes (NHCs), liberated in situ from thermally labile CO2 adducts, in combination with Lewis acids of… read more here.

Keywords: heterocyclic carbenes; oxazolidin one; synthesis; lewis acids ... See more keywords
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Asymmetric FeII-Catalyzed Thia-Michael Addition Reaction to α,β-Unsaturated Oxazolidin-2-one Derivatives.

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recommendations! Published in 2017 at "Organic letters"

DOI: 10.1021/acs.orglett.7b03118

Abstract: A highly enantioselective FeII-catalyzed thia-Michael addition to α,β-unsaturated carbonyl derivatives was developed. The scope of the reaction was demonstrated with a selection of aromatic, heterocyclic and aliphatic thiols, and various Michael acceptors. The corresponding β-thioethers… read more here.

Keywords: feii catalyzed; thia michael; catalyzed thia; michael addition ... See more keywords
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Stereoselective synthesis of 4-hydroxymethyl-1,3-oxazolidin-2-one derivatives from novel 2-hydroxymethylaziridines

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recommendations! Published in 2018 at "Synthetic Communications"

DOI: 10.1080/00397911.2018.1490771

Abstract: Abstract A stereoselective and simple method for the synthesis of trans-2-hydroxymethyl-N-alkyl-1,3-oxazolidin-2-ones is described. The synthesis involved the reduction of trans-aziridine-2-carboxylates with LiAlH4, followed by a ring opening and a cyclization reaction in the presence of… read more here.

Keywords: one derivatives; stereoselective synthesis; oxazolidin one; hydroxymethyl oxazolidin ... See more keywords