3-Alkylsulfanyl-2-arylazo-3-(pyrrolidin-1-yl)-acrylonitriles as masked 1,3-dipoles

[1]  D. Birney,et al.  A computational study of the formation and dimerization of benzothiet-2-one. , 2008, Organic letters.

[2]  A. V. Koksharov,et al.  A novel approach to fused 1,2,4-triazines by intramolecular cyclization of 1,2-diaza-1,3-butadienes bearing allyl(propargyl)sulfanyl and cyclic tert-amino groups , 2007 .

[3]  S. Rizzato,et al.  Divergent and solvent dependent reactions of 4-ethoxycarbonyl-3-methyl-1-tert-butoxycarbonyl-1,2-diaza-1,3-diene with enamines , 2007 .

[4]  W. Fabian,et al.  Cyclisation of α-diazonitriles to 5-halo-1,2,3-triazoles: A computational study , 2007 .

[5]  R. Raghunathan,et al.  TiO2–silica mediated one pot three component 1,3-dipolar cycloaddition reaction: a facile and rapid synthesis of dispiro acenaphthenone/oxindole [indanedione/oxindole] pyrroloisoquinoline ring systems , 2007 .

[6]  N. de Kimpe,et al.  Synthesis and reactivity of C-heteroatom-substituted aziridines. , 2007, Chemical reviews.

[7]  J. Kampf,et al.  Approach to the homoerythrina alkaloids using a tandem N-alkylation/azomethine ylide cycloaddition. , 2007, The Journal of organic chemistry.

[8]  A. Kakehi,,et al.  Generation of functionalized azomethine ylides and their application to stereoselective heterocycle synthesis: an equivalent process of C-unsubstituted nitrile ylide cycloaddition reaction , 2007 .

[9]  H. Gais,et al.  Asymmetric synthesis of 3-oxa-15-Deoxy-16-(m-tolyl)-17,18,19,20-tetranorisocarbacyclin and its neuroprotective analogue 15-Deoxy-16-(m-tolyl)-17,18,19,20-tetranorisocarbacyclin based on the conjugate addition-azoalkene-asymmetric olefination strategy. , 2007, Chemistry.

[10]  M. Sabat,et al.  Osmium(II)-, Rhenium(I)-, and Tungsten(0)-Promoted Dipolar Cycloaddition Reactions with Pyrroles: Exploiting the Azomethine Ylide Character of This Heterocycle , 2006 .

[11]  S. Chandrasekhar,et al.  Tris(pentafluorophenyl)borane-Catalyzed Synthesis of N-Benzyl Pyrrolidines , 2006 .

[12]  D. Gin,et al.  Strain-release rearrangement of N-vinyl-2-arylaziridines. Total synthesis of the anti-leukemia alkaloid (-)-deoxyharringtonine. , 2006, Journal of the American Chemical Society.

[13]  F. Palacios,et al.  Straightforward access to pyrazines, piperazinones, and quinoxalines by reactions of 1,2-diaza-1,3-butadienes with 1,2-diamines under solution, solvent-free, or solid-phase conditions. , 2006, The Journal of organic chemistry.

[14]  D. Gryko,et al.  Synthesis of Locked meso-β-Substituted Chlorins via 1,3-Dipolar Cycloaddition , 2006 .

[15]  D. Spinelli,et al.  On the reactivity of some 2-methyleneindolines with β-nitroenamines, α-nitroalkenes, and 1,2-diaza-1,3-butadienes , 2006 .

[16]  M. Prato,et al.  Microscopic and spectroscopic characterization of paintbrush-like single-walled carbon nanotubes. , 2006, Nano letters.

[17]  Hai-Tao Yang,et al.  Heterocycloaddition of thermally generated 1,2-diaza-1,3-butadienes to [60]fullerene , 2006 .

[18]  Jinhua J. Song,et al.  Asymmetric synthesis of active pharmaceutical ingredients. , 2006, Chemical reviews.

[19]  Nicolas Izard,et al.  Separation of semiconducting from metallic carbon nanotubes by selective functionalization with azomethine ylides. , 2006, Journal of the American Chemical Society.

[20]  W. H. Pearson,et al.  Formal synthesis of aspidosperma alkaloids via the intramolecular [3 + 2] cycloaddition of 2-azapentdienyllithiums. , 2006, Organic letters.

[21]  W. Dehaen,et al.  [3+2]- Versus [4+2]-cycloaddition reactions of 3-methylsulfanyl-2-arylazo-3-(pyrrolidin-1-yl)acrylonitriles with N-substituted maleimides involving pyrrolidine-derived azomethine ylides , 2006 .

[22]  Yong Lu,et al.  Synthesis of conformationally restricted nicotine analogues by intramolecular [3+2] cycloaddition , 2006 .

[23]  Jinhai Yang,et al.  Construction of an advanced tetracyclic intermediate for total synthesis of the marine alkaloid sarain A. , 2006, The Journal of organic chemistry.

[24]  M. Prato,et al.  Chemistry of carbon nanotubes. , 2006, Chemical reviews.

[25]  J. Takaya,et al.  Pt(II)- or Au(III)-catalyzed [3+2] cycloaddition of metal-containing azomethine ylides: highly efficient synthesis of the mitosene skeleton. , 2006, Organic letters.

[26]  H. Kaniskan,et al.  Synthesis of highly functionalized pyrrolidines via a mild one-pot, three-component 1,3-dipolar cycloaddition process. , 2005, The Journal of organic chemistry.

[27]  Wei Zhu,et al.  A formal [3+2] cycloaddition process with nonactivated aziridines to polysubstituted indolizidines. , 2005, Organic letters.

[28]  R. Raghunathan,et al.  A novel entry into 1-methyl- and 1-aryl-octahydropyrrolo[3,4-b]pyrroles and their N-1–C-2 fused derivatives: stereoselective synthesis via an intramolecular azomethine ylide cycloaddition reaction , 2005 .

[29]  R. Herges,et al.  Anisotropy of the induced current density (ACID), a general method to quantify and visualize electronic delocalization. , 2005, Chemical reviews.

[30]  H. Kaniskan,et al.  A stereodivergent cascade imine → azomethine ylide → 1,3-dipolar cycloadditive approach to α-chiral pyrrolidines , 2005 .

[31]  V. Puranik,et al.  Stereospecific route to 5,11-methanomorphanthridine alkaloids via intramolecular 1,3-dipolar cycloaddition of nonstabilized azomethine ylide: formal total synthesis of (+/-)-pancracine. , 2005, Organic letters.

[32]  S. Hanessian,et al.  Stereoselective synthesis of constrained azacyclic hydroxyethylene isosteres as aspartic protease inhibitors: dipolar cycloaddition and related methodologies toward branched pyrrolidine and pyrrolidinone carboxylic acids. , 2005, The Journal of organic chemistry.

[33]  Wei Zhang,et al.  Synthesis of fluorous and nonfluorous polycyclic systems by one-pot, double intramolecular 1,3-dipolar cycloaddition of azomethine ylides. , 2005, Organic letters.

[34]  Joshua R. Smith,et al.  Synthesis and properties of molecular rods. 2. Zig-zag rods. , 2005, Chemical reviews.

[35]  R. Kunz,et al.  Enantioselective organocatalytic cyclopropanations. The identification of a new class of iminium catalyst based upon directed electrostatic activation. , 2005, Journal of the American Chemical Society.

[36]  M. Neves,et al.  1,3-dipolar cycloaddition reactions of porphyrins with azomethine ylides. , 2005, The Journal of organic chemistry.

[37]  A. Karimi,et al.  A novel one-pot synthesis of some new interesting pyrrole derivatives. , 2005, The Journal of organic chemistry.

[38]  D. Birney.  Nitrosation of amides involves a pseudopericyclic 1,3-sigmatropic rearrangement. , 2004, Organic letters.

[39]  D. Birney,et al.  Experimental and theoretical studies of the dimerizations of imidoylketenes. , 2004, The Journal of organic chemistry.

[40]  A. Kakehi,,et al.  Stereoselective pyrroline-ring formation through the cyclization of conjugated azomethine ylides at the periphery of pyrido[1,2- a ]pyrimidine system , 2003 .

[41]  A. A. Raj,et al.  Synthesis of spiro pyrrolidines via formal [3+2] cycloaddition of unusual enones and cis-3-benzoyl-1-cyclohexyl-2-phenylaziridine , 2003 .

[42]  S. Minakata,et al.  (Polyfluoro)silane-mediated generation of azomethine ylides from imines and their cycloaddition leading to N-heterocycles , 2003 .

[43]  H. Viehe,et al.  Diastereoselective 1,3-dipolar cycloadditions of new azomethine ylides derived from trifluorothioacetamides or cyanothioformamides , 2002 .

[44]  D. Birney,et al.  A density functional theory study clarifying the reactions of conjugated ketenes with formaldimine. A plethora of pericyclic and pseudopericyclic pathways. , 2002, Journal of the American Chemical Society.

[45]  R. Grigg,et al.  Kinetic acidity of iminium ions. 2-alkynyl- and 2,5-dialkynyl-pyrrolidines via the iminium ion route to azomethine ylides , 2002 .

[46]  Rosaleen J. Anderson,et al.  The generation and reactivity of N-substituted, stabilised α,β:γ,δ-unsaturated azomethine ylides , 2002 .

[47]  Shumway Ww,et al.  Reinvestigation of the reactions of camphorketene: structural evidence for pseudopericyclic pathways. , 2001 .

[48]  Moer,et al.  Felkin-Anh stereoselectivity in cycloadditions of acetylketene: evidence for a concerted, pseudopericyclic pathway , 2000, The Journal of organic chemistry.

[49]  D. Birney.  Electrocyclic Ring Openings of 2-Furylcarbene and Related Carbenes: A Comparison between Pseudopericyclic and Coarctate Reactions , 2000 .

[50]  G. Pandey,et al.  [3 + 2]-cycloaddition of nonstabilized azomethine ylides. 10. An efficient strategy for the construction of x-Azatricyclo[m.n.0. 0] , 2000, Organic letters.

[51]  M. Lemaire,et al.  Nitrogen-containing ligands for asymmetric homogeneous and heterogeneous catalysis. , 2000, Chemical reviews.

[52]  Bakulev,et al.  Ab initio and density functional calculations on the pericyclic vs pseudopericyclic mode of conjugated nitrile ylide 1, 5-electrocyclizations , 2000, The Journal of organic chemistry.

[53]  I. Ryu,et al.  Novel generation and cycloaddition of N-silylated azomethine ylides from α-silylimidates and trifluorosilane , 1999 .

[54]  W. H. Pearson,et al.  Nonstabilized N-unsubstituted azomethine ylides: a synthesis of indolizidine 239CD. , 1999, Organic letters.

[55]  M. S. South.  Novel cyclization reactions of mono- and dichloroazodienes. A new synthesis of substituted pyridazines† , 1999 .

[56]  C. Kappe,et al.  Pericyclic versus Pseudopericyclic 1,5-Electrocyclization of Iminodiazomethanes. An ab Initio and Density Functional Theory Study. , 1998, The Journal of organic chemistry.

[57]  A. Laaksonen,et al.  Visualization of solvation structures in liquid mixtures. , 1997, Journal of molecular graphics & modelling.

[58]  S. Ham,et al.  Pericyclic and Pseudopericyclic Thermal Cheletropic Decarbonylations: When Can a Pericyclic Reaction Have a Planar, Pseudopericyclic Transition State?1 , 1997 .

[59]  P. March,et al.  One step preparation and 1,3-dipolar cycloadditions of (S)-5-hydroxymethyl-1-pyrroline N-oxide , 1997 .

[60]  J. Ziller,et al.  Synthesis and characterization of new amine-imine ligands based on trans-2,5-disubstituted pyrrolidines , 1997 .

[61]  H. Viehe,et al.  Diastereoselective cycloadditions of new trifluoromethyl azomethine ylides derived from trifluorothioacetamides , 1996 .

[62]  Paul von Ragué Schleyer,et al.  Nucleus-Independent Chemical Shifts:  A Simple and Efficient Aromaticity Probe. , 1996, Journal of the American Chemical Society.

[63]  M. Frisch,et al.  Using redundant internal coordinates to optimize equilibrium geometries and transition states , 1996, J. Comput. Chem..

[64]  D. Birney.  Further Pseudopericyclic Reactions: An ab Initio Study of the Conformations and Reactions of 5-Oxo-2,4-pentadienal and Related Molecules , 1996 .

[65]  M. Frisch,et al.  Ab Initio Calculation of Vibrational Absorption and Circular Dichroism Spectra Using Density Functional Force Fields , 1994 .

[66]  D. Birney,et al.  An ab Initio Study of the Reactivity of Formylketene. Pseudopericyclic Reactions Revisited , 1994 .

[67]  R. Grigg,et al.  X = Y - ZH systems as potential 1,3-dipoles. Part 40. Chiral azomethine ylides from homochiral cyclic α-amino esters. Unusual regiospecific deprotonation of iminium ions. ☆ , 1993 .

[68]  A. Becke.  Density-functional thermochemistry. III. The role of exact exchange , 1993 .

[69]  L Laaksonen,et al.  A graphics program for the analysis and display of molecular dynamics trajectories. , 1992, Journal of molecular graphics.

[70]  H. Bernhard Schlegel,et al.  An improved algorithm for reaction path following , 1989 .

[71]  Parr,et al.  Development of the Colle-Salvetti correlation-energy formula into a functional of the electron density. , 1988, Physical review. B, Condensed matter.

[72]  A. Padwa,et al.  Synthesis of pyrrolidines using an α-cyanoaminosilane as an azomethine ylide equivalent , 1983 .

[73]  R. P. Seiders,et al.  An extraordinarily facile sulfoxide automerization , 1976 .

[74]  R. Herges,et al.  DFT study of cycloaddition reaction of isothiocyanates with diazoazoles to 4-imino-4H-pyrazolo[5,1-d] [1,2,3,5]thiatriazines , 2007 .

[75]  G. Frenzen,et al.  Formation of cycloadducts with trans-configurated ester groups from nitrones and dimethyl maleate , 1994 .

[76]  P. Hebeisen,et al.  1-phenylazo-1-alkenes , 1990 .

[77]  D. Boger.  Diels-Alder reactions of azadienes , 1983 .