Nothing Special   »   [go: up one dir, main page]

An et al., 2015 - Google Patents

Asymmetric tandem reactions of N-sulfonylimines and α, β-unsaturated aldehydes: an alternative reaction pathway to that of using saturated aldehydes

An et al., 2015

View PDF
Document ID
1355480776510807063
Author
An Q
Li J
Shen J
Butt N
Liu D
Liu Y
Zhang W
Publication year
Publication venue
Chemical Communications

External Links

Snippet

An organocatalyzed asymmetric tandem reaction of cyclic N-sulfonylimines and α, β- unsaturated aldehydes was developed. These substrates follow an alternative reaction pathway to that of reactions involving saturated aldehydes, affording similar piperidine …
Continue reading at www.researchgate.net (PDF) (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D405/00Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/58One oxygen atom, e.g. butenolide
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04Ortho-condensed systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D405/00Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/12Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04Ortho-condensed systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04Indoles; Hydrogenated indoles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D413/00Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/04Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/04Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D491/00Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D403/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B53/00Asymmetric syntheses

Similar Documents

Publication Publication Date Title
An et al. Asymmetric tandem reactions of N-sulfonylimines and α, β-unsaturated aldehydes: an alternative reaction pathway to that of using saturated aldehydes
Jia et al. Desymmetrization of cyclohexadienones via D-camphor-derived triazolium salt catalyzed intramolecular Stetter reaction
Guo et al. Organocatalytic asymmetric formal [3+ 2] cycloaddition reaction of isocyanoesters to nitroolefins leading to highly optically active dihydropyrroles
Hong et al. Enantioselective 1, 3-dipolar cycloaddition of methyleneindolinones and N, N′-cyclic azomethine imines
Han et al. 3-isothiocyanato oxindoles serving as powerful and versatile precursors to structurally diverse dispirocyclic thiopyrrolidineoxindoles through a cascade Michael/cyclization process with amino-thiocarbamate catalysts.
Wang et al. Organocatalytic asymmetric [3+ 2] cycloaddition of N-2, 2, 2-trifluoroethylisatin ketimines with 3-alkenyl-5-arylfuran-2 (3 H)-ones
Gao et al. A catalytic asymmetric hetero-Diels–Alder reaction of olefinic azlactones and isatins: facile access to chiral spirooxindole dihydropyranones
Gui et al. A cinchona alkaloid catalyzed enantioselective sulfa-Michael/aldol cascade reaction of isoindigos: construction of chiral bispirooxindole tetrahydrothiophenes with vicinal quaternary spirocenters
Wang et al. Diastereo-and enantioselective direct vinylogous Michael addition of γ-substituted butenolides to 2-enoylpyridines catalyzed by chiral bifunctional amine-squaramides
Chen et al. N-Heterocyclic carbene-catalyzed [3+ 2] annulation of bromoenals with 3-aminooxindoles: highly enantioselective synthesis of spirocyclic oxindolo-γ-lactams
Shi et al. Enantioselective construction of 2, 5-dihydropyrrole skeleton with quaternary stereogenic center via catalytic asymmetric 1, 3-dipolar cycloaddition involving α-arylglycine esters
Zhang et al. Silver-catalyzed formal [3+ 2]-cycloaddition of α-trifluoromethylated methyl isocyanides: a facile stereoselective synthesis of CF 3-substituted heterocycles
Huang et al. Organocatalytic enantioselective construction of multi-functionalized spiro oxindole dienes
Zhao et al. Diastereodivergent construction of bispiro [oxindole-bi-pyrrolidine] s with four consecutive stereocenters via asymmetric [3+ 2] cycloaddition of 2, 3-dioxopyrrolidines using identical catalysts
Zhao et al. Enantioselective total synthesis of furofuran lignans via Pd-catalyzed asymmetric allylic cycloadditon of vinylethylene carbonates with 2-nitroacrylates
Zhang et al. Highly efficient [3+ 2] reaction of 3-vinylindoles with 3-indolylmethanols by Brønsted-acid catalysis
Lin et al. Squaramide-catalyzed asymmetric Michael/cyclization cascade reaction of 3-isothiocyanato oxindoles with chalcones for synthesis of pyrrolidinyl spirooxindoles
Huang et al. Organocatalyzed aza-Michael–Michael cascade reactions to construct spirooxindole tetrahydroquinolines with all-carbon chiral centers
Cui et al. Catalytic asymmetric hetero-Diels–Alder reactions of enones with isatins to access functionalized spirooxindole tetrahydropyrans: scope, derivatization, and discovery of bioactives
Wang et al. Enantioselective synthesis of chiral α, β-unsaturated γ-substituted butyrolactams by organocatalyzed direct asymmetric vinylogous Michael addition of α, β-unsaturated γ-butyrolactam to 2-enoylpyridines
Yu et al. DBU-catalyzed tandem additions of electron-deficient 1, 3-conjugated enynes with 2-aminomalonates: a facile access to highly substituted 2-pyrrolines
Lin et al. Novel pyrrolidine-aminobenzimidazole bifunctional organocatalysts for asymmetric nitro-Michael reactions in brine
Yang et al. A rapid and divergent access to chiral azacyclic nucleoside analogues via highly enantioselective 1, 3-dipolar cycloaddition of β-nucleobase substituted acrylates
Ming et al. Chiral squaramide-catalysed enantioselective Michael/cyclization cascade reaction of 3-hydroxyoxindoles with α, β-unsaturated N-acylated succinimides
Zhao et al. The organocatalytic asymmetric Neber reaction for the enantioselective synthesis of spirooxindole 2 H-azirines