- Gold(III) Chloride-Catalyzed Three-Component Reaction: A Facile Synthesis of Alkynyl Derivatives of 1,2-Dihydroquinolines and Isoquinolines.
[作者:Yadav, Jhillu S.;Reddy, Basi V. Subba;Yadav, Nagendra Nath;Gupta, Manoj K.;Sridhar, Balasubramanian;,期刊:Journal of Organic Chemistry, 页码:6857-6859 , 文章类型: 研究论文,,卷期:2008年73-17]
- Gold(III) chloride is an effective catalyst for the addn. of alkynes to activated quinolines or isoquinolines to give alkynyl-substituted 1,2-dihydroquinolines and 1,2-dihydroisoquinolines, e.g. isoquinolinylbutenedioate...
- Me3SiCl-Promoted Three-Component Coupling Reaction of a Functionalized Enamine, an Acetal, and an Alkyne: An Unprecedented Approach to the Synthesis of Tetrasubstituted Pyridines via a [3 + 2 + 1] Intermolecular Cyclization.
[作者:Sasada, Toshiaki;Sakai, Norio;Konakahara, Takeo;,期刊:Journal of Organic Chemistry, 页码:6905-6908 , 文章类型: 研究论文,,卷期:2008年73-17]
- A Me3SiCl-mediated three-component coupling reaction of a functionalized enamine, N,N-dimethylformamide di-Et acetal, and an internal alkyne having an electron-withdrawing group that produces 2,3,4,5-tetrasubstituted pyr...
- Experimental and Theoretical Studies of the Redox Potentials of Cyclic Nitroxides.
[作者:Blinco, James P.;Hodgson, Jennifer L.;Morrow, Benjamin J.;Walker, James R.;Will, Geoffrey D.;Coote, Michelle L.;Bottle, Steven E.;,期刊:Journal of Organic Chemistry, 页码:6763-6771 , 文章类型: 研究论文,,卷期:2008年73-17]
- The redox potentials of 25 cyclic nitroxides from four different structural classes (pyrrolidine, piperidine, isoindoline, and azaphenalene) were detd. exptl. by cyclic voltammetry in acetonitrile, and also via high-leve...
- Copper-Catalyzed Synthesis of Primary Arylamines via Cascade Reactions of Aryl Halides with Amidine Hydrochlorides.
[作者:Gao, Xiaoting;Fu, Hua;Qiao, Renzhong;Jiang, Yuyang;Zhao, Yufen;,期刊:Journal of Organic Chemistry, 页码:6864-6866 , 文章类型: 研究论文,,卷期:2008年73-17]
- We have developed an efficient method for the synthesis of primary arylamines from aryl iodides using amidine hydrochlorides as the ammonia surrogates. The protocol uses 10 mol% CuI as the catalyst, 20 mol% L-proline as...
- Pyrroles as antioxidants: solvent effects and the nature of the attacking radical on antioxidant activities and mechanisms of pyrroles, dipyrrinones, and bile pigments.
[作者:MacLean, Patricia D.;Chapman, Erin E.;Dobrowolski, Sarah L.;Thompson, Alison;Barclay, L. Ross C.;,期刊:Journal of Organic Chemistry, 页码:6623-6635 , 文章类型: 研究论文,,卷期:2008年73-17]
- The abs. rate consts., kinh, and stoichiometric factors, n, of pyrroles, 2-methyl-3-ethylcarboxy-4,5-di-p-methoxyphenylpyrrole, 6, 2,3,4,5-tetraphenylpyrrole, 7, and 2,3,4,5-tetra-p-methoxyphenylpyrrole, 8, compared to t...
- Absolute Rate Constants for Some Intermolecular Reactions of a-Aminoalkylperoxyl Radicals. Comparison with Alkylperoxyls.
[作者:Lalevee, Jacques;Allonas, Xavier;Fouassier, Jean-Pierre;Ingold, K. U.;,期刊:Journal of Organic Chemistry, 页码:6489-6496 , 文章类型: 研究论文,,卷期:2008年73-17]
- Seven a-aminoalkylperoxyl radicals were generated by 355 nm laser flash photolysis (LFP) of oxygen-satd. di-tert-Bu peroxide contg. mono-, di-, and trialkylamines and a dialkylarylamine. All these peroxyls possess absor...
- Addition of Anions to Carbonyl Compounds: An Ab Initio Study.
[作者:Rosenberg, Robert Evan;,期刊:Journal of Organic Chemistry, 页码:6636-6641 , 文章类型: 研究论文,,卷期:2008年73-17]
- Energies for the addn. of anionic nucleophiles, Z-, to carbonyl compds., XYCO, are calcd. at the G2(MP2) level of theory. The substituents X, Y, and Z are taken from the set {H, CH3, NH2, OH, F, CF3, CHCH2, CHO, CCH, an...
- Regioselectivity in the Ligand-Assisted Addition of Vinylmagnesium Bromide: An Experimental and Theoretical Study on the g-Alkoxycyclobutenone Model.
[作者:Varea, Teresa;Alcalde, Ana;Grancha, Amparo;Lloret, Julio;Asensio, Gregorio;Lledos, Agusti;,期刊:Journal of Organic Chemistry, 页码:6521-6533 , 文章类型: 研究论文,,卷期:2008年73-17]
- Compds. 2 (M = Mg) obtained in the mono addn. of vinylmagnesium bromide to squarates are attractive structural models to det. the influence of complexation between magnesium(II) and the alkoxide group on the regioselecti...
- Solvent and Stereoelectronic Effects on the Solvolysis Rates of Oxaspirocyclopropanated 1-Norbornyl Triflates and Related Bridgehead Derivatives.
[作者:Garcia Martinez, Antonio;de la Moya Cerero, Santiago;Teso Vilar, Enrique;Garcia Fraile, Amelia;Lora Maroto, Beatriz;Diaz Morillo, Cristina;,期刊:Journal of Organic Chemistry, 页码:6607-6614 , 文章类型: 研究论文,,卷期:2008年73-17]
- The study of the stereochem. outcome of the solvolysis of oxaspirocyclopropanated 1-norbornyl triflates is highly interesting since these reactions do not lead to the usual retention or fragmentation products but only sy...
- Amino(oligo)thiophene-Based Environmentally Sensitive Biomembrane Chromophores.
[作者:Yan, Ping;Xie, Aifang;Wei, Meide;Loew, Leslie M.;,期刊:Journal of Organic Chemistry, 页码:6587-6594 , 文章类型: 研究论文,,卷期:2008年73-17]
- There is a growing need for cellular imaging with fluorescent probes that emit at longer wavelengths to minimize the effects of absorption, autofluorescence, and scattering from biol. tissue. In this paper a series of n...
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