Alkoxyallenes as building blocks for organic synthesis [PDF]
, 2014 Alkoxyallenes are unusually versatile C3 building blocks in organic synthesis. Hence this tutorial review summarizes the most important transformations, including subsequent reactions and their applications in the synthesis of relevant compounds, e.g ...
Reissig, Hans-Ulrich, Zimmer, Reinhold
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1,3-Oxazepane-4,7-Diones Compounds: 1Hand 13CNMR High-Resolution Spectroscopy (1D and 2D) [PDF]
, 2011 “Oxazepine” refers to any seven-membered ring containing an oxygen and nitrogen atom. The 1,3-oxazepine is a branch of many types of the heterocyclic oxazepine [1–7].
Abdul Karim , Talaq Mohammad +2 more
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Carbohydrate-auxiliary assisted preparation of enantiopure 1,2-oxazine derivatives and aminopolyols
Beilstein Journal of Organic Chemistry, 2012 An approach to enantiopure hydroxylated 2H-1,2-oxazine derivatives is presented utilizing the [3 + 3] cyclisation of lithiated alkoxyallenes and an L-erythrose-derived N-glycosyl nitrone as precursors.
Marcin Jasiński +2 more
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Journal of the Turkish Chemical Society, Section A: Chemistry, 2016 A novel series of heterocyclic systems linked with quinolin-2-one was efficiently synthesized from reaction of ethyl 4-(1-ethyl-1,2-dihydro-4-hydroxy-2-oxoquinolin-3-yl) -2,4-dioxobutanoate (1) with a variety of nitrogen and/or carbon nucleophiles.
Hany Hassanin +2 more
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Asymmetric organocascades involving the formation of two C-heteroatom bonds from two distinct heteroatoms [PDF]
, 2012 International audienceIn the vast and expanding world of enantioselective organocascades, the ones in which two C-heteroatom bonds are created from two distinct heteroatoms are rare.
Bonne, Damien +3 more
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One-Pot Synthesis of 5,6-Dihydro-4H-1,2-Oxazines by Cyclization of Ketoximes with Derivatives of Allylbenzene [PDF]
, 2010 A new series of 5,6-dihydro-4H-1,2-oxazines were synthesized via hetero Diels-Alder reaction of α-nitrosolefins with derivatives of allylbenzene.
Musad, Ebraheem Abdu +3 more
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A Highly Selective, Organocatalytic Route to Chiral Dihydro‐1,2‐oxazines. [PDF]
ChemInform, 2005 AbstractFor Abstract see ChemInform Abstract in Full Text.
Sirirat, Kumarn +3 more
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E-Journal of Chemistry, 2012 A facile method for a mild single pot reductive cleavage of 1,2-oxazines to γ-hydroxy ketones was developed using zinc and aqueous ammonium chloride as the reagent in methanol.
P. Sunil Kumar, K. M. Lokanatha Rai
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Synthesis of 3,6-Dihydro-2H-[1, 2]-Oxazines from Nitroarenes and Conjugated Dienes, Catalyzed by Palladium/Phenanthroline Complexes and Employing Phenyl Formate as a CO Surrogate [PDF]
, 2018 Palladium/phenanthroline catalyzed reduction of nitroarenes by in situ-generated carbon monoxide, from the decomposition of phenyl formate, affords the corresponding nitrosoarenes. The latter are trapped by conjugated dienes to give the corresponding 3,6-
D. Formenti +3 more
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Davis–Beirut reaction inspired nitroso Diels–Alder reaction [PDF]
, 2021 A Davis–Beirut reaction inspired nitroso Diels–Alder protocol is reported. The starting material for the procedure is a nitrophenyl moiety with the para position appropriately substituted with a 2°-amine (see 5) or 2°-alcohol (see 6).
Cheung, Amy +4 more
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