Copper(II)-Catalyzed (3+2) Cycloaddition of 2H-Azirines to Six-Membered Cyclic Enols as a Route to Pyrrolo[3,2-c]quinolone, Chromeno[3,4-b]pyrrole, and Naphtho[1,8-ef]indole Scaffolds [PDF]
Molecules, 2022 A method for the [2+3] pyrroline annulation to the six-membered non-aromatic enols using 3-aryl-2H-azirines as annulation agents is developed in the current study.
Pavel A. Sakharov +3 more
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Substituent Effects Govern the Efficiency of Isoxazole Photoisomerization to Carbonyl‑2H‑Azirines [PDF]
ACS Organic & Inorganic AuKyra E. Jackson +3 more
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Synthesis of Δ1‑Pyrrolines via Formal (3 + 2)-Cycloaddition of 2H‑Azirines with Enones Promoted by Visible Light under Continuous Flow [PDF]
ACS OmegaLorena S. R. Martelli +4 more
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2H-Azirines as dipolarophiles [PDF]
Tetrahedron Letters, 2003 AbstractFor Abstract see ChemInform Abstract in Full Text.
Melo, Teresa M. V. D. Pinho e +3 more
openaire +4 more sources
Organo-photocatalytic Synthesis of Functionalized Pyrroles from 2H-Azirines and α-Substituted Nitroalkenes [PDF]
SynOpen, 2022 An efficient organo-photocatalytic method for the synthesis of tetrasubstituted pyrroles bearing a ketone, ester, alcohol, or nitro group at the 3-position has been developed.
Lalita Devi +3 more
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Triethylamine-Promoted Oxidative Cyclodimerization of 2H-Azirine-2-carboxylates to Pyrimidine-4,6-dicarboxylates: Experimental and DFT Study [PDF]
Molecules, 2023 An unprecedented oxidative cyclodimerization reaction of 2H-azirine-2-carboxylates to pyrimidine-4,6-dicarboxylates under heating with triethylamine in air is described. In this reaction, one azirine molecule undergoes formal cleavage across the C-C bond
Timofei N. Zakharov +4 more
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Synthesis of New 2-Halo-2-(1H-tetrazol-5-yl)-2H-azirines via a Non-Classical Wittig Reaction [PDF]
Molecules, 2015 The synthesis and reactivity of tetrazol-5-yl-phosphorus ylides towards N-halosuccinimide/TMSN3 reagent systems was explored, opening the way to new haloazidoalkenes bearing a tetrazol-5-yl substituent.
Ana L. Cardoso +4 more
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5-Chloroisoxazoles: A Versatile Starting Material for the Preparation of Amides, Anhydrides, Esters, and Thioesters of 2H-Azirine-2-carboxylic Acids [PDF]
Molecules, 2022 Amides, anhydrides, esters, and thioesters of 2H-azirine-2-carboxylic acids were prepared by a rapid procedure at room temperature involving FeCl2-catalyzed isomerization of 5-chloroisoxazoles to 2H-azirine-2-carbonyl chlorides, followed by reaction with
Anastasiya V. Agafonova +2 more
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3-Aryl-2H-azirines as annulation reagents in the Ni(II)-catalyzed synthesis of 1H-benzo[4,5]thieno[3,2-b]pyrroles [PDF]
Beilstein Journal of Organic ChemistryA high-yielding method for the synthesis of 3-arylbenzo[4,5]thieno[3,2-b]pyrroles has been developed via pyrrole ring annulation to the aromatic benzo[b]thiophene system, using 3-arylazirines as a N‒C=C synthon.
Julia I. Pavlenko +5 more
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Azirinyl-Substituted Nitrile Oxides: Generation and Use in the Synthesis of Isoxazole Containing Heterocyclic Hybrids [PDF]
MoleculesThe procedure for the generation of azirinyl-substituted nitrile oxides by the reaction of 2-(diazoacetyl)-2H-azirines with tert-butyl nitrite while preserving the azirine ring has been developed.
Alexander S. Dudik +4 more
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