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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共90条记录   Ring-Opening Reactions of Difluoro(methylene)cyclopropanes with Halogens and Amines. [作者：Hang, Xiao-Chun;Chen, Qing-Yun;Xiao, Ji-Chang;,期刊：Journal of Organic Chemistry, 页码：8598-8600 , 文章类型： 研究论文，,卷期：2008年73-21] The distal and proximal bond of difluoro(methylene)cyclopropanes (F2MCPs) could be cleaved, resp., under different conditions to give the corresponding ring-opening products. E.g., stereoselective ring-opening of difluo... A Pyrenyl-Appended Triazole-Based Calix[4]arene as a Fluorescent Sensor for Cd2+ and Zn2+. [作者：Park, Sun Young;Yoon, Jung Hee;Hong, Chang Seop;Souane, Rachid;Kim, Jong Seung;Matthews, Susan E.;Vicens, Jacques;,期刊：Journal of Organic Chemistry, 页码：8212-8218 , 文章类型： 研究论文，,卷期：2008年73-21] The synthesis and evaluation of a novel calix[4]arene-based fluorescent chemosensor 8 for the detection of Cd2+ and Zn2+ is described. The fluorescent spectra changes obsd. upon addn. of various metal ions show that 8 i... Glucose-Based Surfactants with Hydrogenated, Fluorinated, or Hemifluorinated Tails: Synthesis and Comparative Physical-Chemical Characterization. [作者：Abla, Maher;Durand, Gregory;Pucci, Bernard;,期刊：Journal of Organic Chemistry, 页码：8142-8153 , 文章类型： 研究论文，,卷期：2008年73-21] (Hemi)fluorinated hydrophobic chains have been found to minimize the denaturating propensity of surfactants toward membrane proteins. The work reported herein deals with the synthesis of a new series of non-ionic glucos... Synthesis of the Phosphinic Analogue of Thyrotropin Releasing Hormone. [作者：Matziari, Magdalini;Bauer, Karl;Dive, Vincent;Yiotakis, Athanasios;,期刊：Journal of Organic Chemistry, 页码：8591-8593 , 文章类型： 研究论文，,卷期：2008年73-21] The synthesis of the phosphinic analog of TSH releasing hormone (I), where the scissile peptide bond of TRH has been replaced by the hydrolytically stable phosphinic bond, has been achieved by a multistep synthetic strat... Asymmetric homologation of ketones. A new entry to orthogonally protected (2R,4R)-piperidine-2,4-dicarboxylic acid. [作者：Etayo, Pablo;Badorrey, Ramon;Diaz-de-Villegas, Maria D.;Galvez, Jose A.;,期刊：Journal of Organic Chemistry, 页码：8594-8597 , 文章类型： 研究论文，,卷期：2008年73-21] A new conformationally constrained analog of glutamic acid has been synthesized efficiently in seven steps from a chiral 2-alkyl-4-piperidone. The synthesis is based on the unprecedented asym. one-carbon homologation of ... Short enantioselective syntheses of trans-5-alkylprolines from new functionalized amino alcohols. [作者：Alladoum, Jeanne;Roland, Sylvain;Vrancken, Emmanuel;Mangeney, Pierre;Kadouri-Puchot, Catherine;,期刊：Journal of Organic Chemistry, 页码：8631-8634 , 文章类型： 研究论文，,卷期：2008年73-21] Amino alcs., having an enol ether function, cyclized in acidic medium to give quant. diastereosomerically pure bicyclic compds. that were transformed in five steps in enantiopure trans-5-alkylproline derivs. Synthesis and Biological Evaluation of a Phosphonate Analog of the Natural Acetyl Cholinesterase Inhibitor Cyclophostin. [作者：Bandyopadhyay, Saibal;Dutta, Supratik;Spilling, Christopher D.;Dupureur, Cynthia M.;Rath, Nigam P.;,期刊：Journal of Organic Chemistry, 页码：8386-8391 , 文章类型： 研究论文，,卷期：2008年73-21] inhibitor cyclophostin were synthesized. The substitution reaction of phosphono allylic carbonate with Me acetoacetate gave the vinyl phosphonate. Attempted hydrogenation/debenzylation gave an unexpected enolether lact... Gold(I)-Catalyzed Intramolecular Rearrangement of Vinylidenecyclopropanes. [作者：Shi, Min;Wu, Lei;Lu, Jian-Mei;,期刊：Journal of Organic Chemistry, 页码：8344-8347 , 文章类型： 研究论文，,卷期：2008年73-21] Vinylidenecyclopropanes 1 can undergo intramol. rearrangement to give the corresponding functionalized 1,2-dihydronaphthalenes in the presence of gold catalyst under mild conditions. A plausible rearrangement mechanism ... The Curtius Rearrangement of Cyclopropyl and Cyclopropenoyl Azides. [作者：A Combined Theoretical and Experimental Mechanistic Study. Tarwade, Vinod;Dmitrenko, Olga;Bach, Robert D.;Fox, Joseph M.;,期刊：Journal of Organic Chemistry, 页码：8189-8197 , 文章类型： 研究论文，,卷期：2008年73-21] A combined exptl. and theor. study addresses the concertedness of the thermal Curtius rearrangement. The kinetics of the Curtius rearrangements of Me 1-azidocarbonyl cycloprop-2-ene-1-carboxylate and Me 1-azidocarbonyl ... Enantio- and Diastereoselectivities in Chiral Sulfur Ylide Promoted Asymmetric Aziridination Reactions. [作者：Janardanan, Deepa;Sunoj, Raghavan B.;,期刊：Journal of Organic Chemistry, 页码：8163-8174 , 文章类型： 研究论文，,卷期：2008年73-21] D. functional theory investigation on the factors controlling enantio- and diastereoselection in asym. aziridination reaction by the addn. of chiral bicyclic sulfur ylides to substituted aldimines is presented. High lev... Reduction of Pyrrolyl- and Indolylamides with BH3譚HF: Cyclodeoxygenation versus Deoxygenation. [作者：Li, Kelin;Tunge, Jon A.;,期刊：Journal of Organic Chemistry, 页码：8651-8653 , 文章类型： 研究论文，,卷期：2008年73-21] Herein we report that borane redns. of acylpyrroles and acylindoles that contain a pendant phenol take two different paths. Acylpyrroles undergo a reductive cyclization to make unusual chromanyl pyrroles. Treatment of r... Regio- and Stereochemistry of [2 + 2] Photocycloadditions of Imines to Alkenes: A Computational and Experimental Study. [作者：Sampedro, Diego;Soldevilla, Alberto;Campos, Pedro J.;Ruiz, Roberto;Rodriguez, Miguel A.;,期刊：Journal of Organic Chemistry, 页码：8331-8336 , 文章类型： 研究论文，,卷期：2008年73-21] The [2 + 2] photocycloaddn. of isoxazolines to alkenes has been studied by means of CASPT2/6-31G*//CASSCF/6-31G*. The reaction outcome is influenced by the relative ratio of imine deactivation and photocycloaddn. Anal.... A Computational Study of Chlorocarbene Additions to Cyclooctyne. [作者：Mo, Xiao Yu;Bernard, Sarah E.;Khrapunovich, Marina;Merrer, Dina C.;,期刊：Journal of Organic Chemistry, 页码：8537-8544 , 文章类型： 研究论文，,卷期：2008年73-21] Dichloro- and phenylchlorocarbene (CCl2 and PhCCl) add to cyclooctyne via a barrierless process (MP2/6-311+G*, B3LYP/6-311+G*, B3LYP/6-31G*) to yield the expected corresponding cyclopropene adducts. A three-dimensional ... Substituent Effects on the Ring-Opening Mechanism of Lithium Bromocyclopropylidenoids to Allenes. [作者：Azizoglu, Akin;Balci, Metin;Mieusset, Jean-Luc;Brinker, Udo H.;,期刊：Journal of Organic Chemistry, 页码：8182-8188 , 文章类型： 研究论文，,卷期：2008年73-21] The ring-opening reactions of lithium bromocyclopropylidenoids to level of theory. Formally, two pathways can be considered: the reaction may either proceed in a concerted fashion or stepwise with the intermediacy of a ... Traceless Chiral Auxiliaries for the Allene Ether Nazarov Cyclization. [作者：Banaag, April R.;Tius, Marcus A.;,期刊：Journal of Organic Chemistry, 页码：8133-8141 , 文章类型： 研究论文，,卷期：2008年73-21] The key stereochem. factors that det. transfer of asymmetry from the chiral auxiliary to the cyclopentenone in the allene ether version of the Nazarov reaction have been elucidated. On the basis of the new insights into... Studies on the Stability of Cycloprop-2-ene Carboxylate Dianions and Reactions with Electrophiles. [作者：Fisher, Laural A.;Fox, Joseph M.;,期刊：Journal of Organic Chemistry, 页码：8474-8478 , 文章类型： 研究论文，,卷期：2008年73-21] Dianions are generated from alkyllithium reagents and cycloprop-2-ene carboxylic acids, and these dianions can be functionalized by electrophiles at the vinylic position. In a previous report, we described that such dia...