Results 11 to 20 of about 26,509 (243)
ELECTROCHEMICAL REDUCTION OF 2,2,5,5-TETRAMETHYLPYRROLINE DERIVATIVES TO CORRESPONDING PYRROLIDINES
Вестник Донского государственного технического университета, 2018 The reduction technique of 2,2,5,5-tetramethylpyrroline compounds to pyrrolidines on sodium amalgam preformed under the electrolysis of sodium hydroxide solution is described.
Irina Y. Zhukova +2 more
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Catalytic Enantioselective Synthesis of Highly Functionalized Pentafluorosulfanylated Pyrrolidines
Chemistry - A European Journal, 2018 International audienceThe first catalytic asymmetric synthesis of highly functionalized pentafluorosulfanylated pyrrolidines is described. The method, based on a 1,3‐dipolar cycloaddition reaction of aryl and heteroaryl‐substituted glycine Schiff bases ...
Qun Zhao +2 more
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ELECTROCHEMICAL REDUCTION OF 2,2,5,5-TETRAMETHYLPYRROLINE DERIVATIVES TO CORRESPONDING PYRROLIDINES
Advanced Engineering Research, 2012 The reduction technique of 2,2,5,5-tetramethylpyrroline compounds to pyrrolidines on sodium amalgam preformed under the electrolysis of sodium hydroxide solution is described.
Irina Y. Zhukova +2 more
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B(C6F5)3-Catalyzed Dehydrogenation of Pyrrolidines to Form Pyrroles
ACS CatalysisPyrroles are important N-heterocycles found in medicines and materials. The formation of pyrroles from widely accessible pyrrolidines is a potentially attractive strategy but is an underdeveloped approach due to the sensitivity of pyrroles to the ...
Rebecca R Hawker +2 more
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Molecules, 2021 1,3-Dipolar cycloaddition reactions of 2-substituted 5-R-3-nitropyridines and isomeric 3-R-5-nitropyridines with N-methyl azomethine ylide were studied. The effect of the substituent at positions 2 and 5 of the pyridine ring on the possibility of the [3 ...
Maxim A. Bastrakov +3 more
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Molecules, 2022 The AgOAc-catalysed reaction of 3-nitro-2-phenyl-2H-chromenes with stabilized azomethine ylides generated from the imines based on methyl glycinate and arylaldehydes leads to a mixture of endo and endo’ isomers of the corresponding chromeno[3,4-c ...
Ivan A. Kochnev +6 more
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Acta Crystallographica Section E Structure Reports Online, 2012 In the title compound, C(4)H(5)NO(2), the non-H atoms are nearly coplanar, with a maximum deviation of 0.030 (1) Å. In the crystal, pairs of mol-ecules are linked by N-H⋯O hydrogen bonds into inversion dimers.
Min Yu, Xing Huang, Feng Gao
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Communications Chemistry, 2023 Polycyclic N-heterocycles are important structural motifs commonly found in bioactive compounds, however, their selective construction via the cyclization of allenynes remains challenging yet highly desirable.
Kua-Fei Wei +6 more
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Asymmetric Synthesis of Polyfunctionalized Pyrrolidines from Sulfinimine-Derived Pyrrolidine 2-Phosphonates. Synthesis of Pyrrolidine 225C [PDF]
Organic Letters, 2006 [reaction: see text] The Horner-Wadsworth-Emmons reaction of aldehydes with sulfinimine-derived 3-oxo pyrrolidine phosphonates represents a new method for the asymmetric synthesis of ring-functionalized cis-2,5-disubstituted 3-oxo pyrrolidines.
Franklin A, Davis +3 more
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[(Pyrrolidin-1-yl)carbothioylsulfanyl]methyl pyrrolidine-1-carbodithioate [PDF]
Acta Crystallographica Section E Structure Reports Online, 2010 The title compound, C(11)H(18)N(2)S(4), was unexpectedly obtained during studies on the reactivity of the complex tris-(acac-κ(2)O,O')gallium(III) (acac is acetyl-acetonate) with C(4)H(8)NCS(2)H in dichloro-methane. The title compound shows disordered two pyrrolidine rings with major and minor occupancies of 0.546 (4) and 0.454 (4).
Yen-Hsiang Huang +4 more
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