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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61条记录   C-Nitroso Donors of Nitric Oxide. [作者：Chakrapani, Harinath;Bartberger, Michael D.;Toone, Eric J.;,期刊：Journal of Organic Chemistry, 页码：1450-1453 , 文章类型： 研究论文，,卷期：2009年74-4] A complete understanding of the biol. activity of nitric oxide (NO) is complicated by the different reactivity profiles of its various species and by the often complex decompn. behavior of the NO progenitors in common us... Transfer of noncovalent chiral information along an optically inactive helical peptide chain: Allosteric control of asymmetry of the C-terminal site by external molecule that binds to the N-terminal site. [作者：Ousaka, Naoki;Inai, Yoshihito;,期刊：Journal of Organic Chemistry, 页码：1429-1439 , 文章类型： 研究论文，,卷期：2009年74-4] This study aims at demonstrating end-to-end transfer of noncovalent chiral information along a peptide chain. The domino-type induction of helical sense is proven by using achiral peptides (I) (n = 2, 4, 6) of bis-chrom... Diastereo- and enantioselective synthesis of b-hydroxy-a-amino acids: Application to the synthesis of a key intermediate for lactacystin. [作者：Li, Qiong;Yang, Shao-Bo;Zhang, Zhihui;Li, Lei;Xu, Peng-Fei;,期刊：Journal of Organic Chemistry, 页码：1627-1631 , 文章类型： 研究论文，,卷期：2009年74-4] The development of a highly efficient and stereoselective methodol. for the prepn. of b-hydroxy-a-amino acids is described. Nucleophilic addn. of enolates of tricyclic iminolactones (I) and (II) to aldehydes in the pres... Efficient Dehydrative Sialylation of C-4-Aminated Sialyl-Hemiketal Donors with Ph2SO/Tf2O. [作者：Ye, Deju;Liu, Wenfeng;Zhang, Dengyou;Feng, Enguang;Jiang, Hualiang;Liu, Hong;,期刊：Journal of Organic Chemistry, 页码：1733-1735 , 文章类型： 研究论文，,卷期：2009年74-4] An efficient approach to the dehydrative sialylation of various substrates with C-4-aminated sialyl-hemiketal donors by using the reagent combination of di-Ph sulfoxide and triflic anhydride is reported. By using a C-4-h... A Short and Convenient Synthesis of 1-Deoxymannojirimycin and N-Oxy Analogues from D-Fructose. [作者：Racine, Emilie;Bello, Claudia;Gerber-Lemaire, Sandrine;Vogel, Pierre;Py, Sandrine;,期刊：Journal of Organic Chemistry, 页码：1766-1769 , 文章类型： 研究论文，,卷期：2009年74-4] Ketonitrone I was prepd. from D-fructose as an inexpensive starting material and was used in a stereoselective synthesis of 1-deoxymannojirimycin (DMJ), of its previously unknown N-hydroxy analog II, and of the polyhydro... Antibiofilm Activity of a Diverse Oroidin Library Generated through Reductive Acylation. [作者：Ballard, T. Eric;Richards, Justin J.;Aquino, Arianexys;Reed, Catherine S.;Melander, Christian;,期刊：Journal of Organic Chemistry, 页码：1755-1758 , 文章类型： 研究论文，,卷期：2009年74-4] A diverse 20-compd. library of analogs, e.g. I, based on the marine alkaloid oroidin were synthesized via a reductive acylation strategy. The final target was then assayed for inhibition and dispersion activity against c... Synthetic Studies toward Jatrophane Diterpenes from Euphorbia characias. Enantioselective Synthesis of (-)-15-O-Acetyl-3-O-propionyl-17-norcharaciol. [作者：Helmboldt, Hannes;Hiersemann, Martin;,期刊：Journal of Organic Chemistry, 页码：1698-1708 , 文章类型： 研究论文，,卷期：2009年74-4] The enantioselective synthesis of (+)-17-norcharaciol (I) is described. An uncatalyzed intramol. carbonyl-ene reaction and a ring-closing metathesis were used as key C/C-connecting transformations to assemble the trans-b... Ti(III)-Promoted Radical Cyclization of Epoxy Enones. Total Synthesis of (+)-Paeonisuffrone. [作者：Martin-Rodriguez, Maria;Galan-Fernandez, Raquel;Marcos-Escribano, Andres;Bermejo, Francisco A.;,期刊：Journal of Organic Chemistry, 页码：1798-1801 , 文章类型： 研究论文，,卷期：2009年74-4] The total synthesis of (+)-paeonisuffrone (I) starting from (+)-10-hydroxycarvone (II) is described. The key step of our synthetic strategy is a titanium-catalyzed stereoselective cyclization initiated by epoxide openin... Distortion, Interaction, and Conceptual DFT Perspectives of MO4-Alkene (M = Os, Re, Tc, Mn) Cycloadditions. [作者：Ess, Daniel H.;,期刊：Journal of Organic Chemistry, 页码：1498-1508 , 文章类型： 研究论文，,卷期：2009年74-4] [Image omitted] The reaction pathways (including the transition states) of ethylene addn. to Os tetroxide (OsO4, and amine ligated), rhenate (ReO4-), technetate (TcO4-), and permanganate (MnO4-) were studied by qual. and... A New Synthetic Route to 3-Oxo-4-amino-1,2,3-oxadiazole from the Diazeniumdiolation of Benzyl Cyanide: Stable Sydnone Iminium N-Oxides. [作者：Bohle, D. Scott;Perepichka, Inna;,期刊：Journal of Organic Chemistry, 页码：1621-1626 , 文章类型： 研究论文，,卷期：2009年74-4] Treating benzyl cyanide with nitric oxide in basic methanol returns 3-oxo-4-phenyl-5-amino-1,2,3-oxadiazole (a 5-iminium-sydnone N-oxide) (I), in addn. to the known 2-(hydroxyimino)-2-phenylacetonitrile, and the bisdiaze... 1-Pyridine- and 1-Quinuclidine-1-boraadamantane as Models for Derivatives of 1-Borabicyclo[2.2.2]octane. Experimental and Theoretical Evaluation of the B-N Fragment as a Polar Isosteric Substitution for the C-C Group in Liquid Crystal Compounds. [作者：Kaszynski, Piotr;Pakhomov, Serhii;Gurskii, Mikhail E.;Erdyakov, Sergey Yu.;Starikova, Zoya A.;Lyssenko, Konstantin A.;Antipin, Mikhail Yu.;Young, Victor G., Jr.;Bubnov, Yurii N.;,期刊：Journal of Organic Chemistry, 页码：1709-1720 , 文章类型： 研究论文，,卷期：2009年74-4] The suitability of 1-borabicyclo[2.2.2]octane (1) as a structural element for liq. crystals was evaluated using computational methods and exptl. studies of two complexes of its close analog 1-boraadamantane (2). The mol.... Synthesis and characterization of nitroaromatic peptoids: fine tuning peptoid secondary structure through monomer position and functionality. [作者：Fowler, Sarah A.;Luechapanichkul, Rinrada;Blackwell, Helen E.;,期刊：Journal of Organic Chemistry, 页码：1440-1449 , 文章类型： 研究论文，,卷期：2009年74-4] N-Substituted glycine oligomers, or peptoids, have emerged as an important class of foldamers for the study of biomol. interactions and for potential use as therapeutic agents. However, the design of peptoids with well-... Biomimetic Transannular Oxa-Conjugate Addition Approach to the 2,6-Disubstituted Dihydropyran of Laulimalide Yields an Unprecedented Transannular Oxetane. [作者：Houghton, Stephen R.;Furst, Laura;Boddy, Christopher N.;,期刊：Journal of Organic Chemistry, 页码：1454-1463 , 文章类型： 研究论文，,卷期：2009年74-4] bioactive polyketides, including the anticancer marine polyketide laulimalide (I). While much of the uncharacterized biosynthetic pathway for I can be confidently postulated, the biosynthetic origins of the trans 2,6-di...