- ZrCl4 as an efficient catalyst for a novel one-pot protection/deprotection synthetic methodology.
[作者:Singh, Surendra;Duffy, Colm D.;Shah, Syed Tasadaque A.;Guiry, Patrick J.;,期刊:Journal of Organic Chemistry, 页码:6429-6432 , 文章类型: 研究论文,,卷期:2008年73-16]
- A catalytic quantity of ZrCl4 (20 mol %) was found to be an efficient catalyst for the one-pot esterification and deprotection of (5S,6R)-5,6-diacetoxyoct-7-enoic acid in good yields (44-62%) with a lactone formed as a m...
- Synthesis, optical properties, and LFER analysis of solvent-dependent binding constants of Hamilton-receptor-connected merocyanine chromophores.
[作者:Schmidt, Johann;Schmidt, Ralf;Wuerthner, Frank;,期刊:Journal of Organic Chemistry, 页码:6355-6362 , 文章类型: 研究论文,,卷期:2008年73-16]
- Organic Pigments, Fluorescent Brighteners, and Photographic A merocyanine dye equipped with a Hamilton-receptor unit has been synthesized that enables strong noncovalent binding of other merocyanine dyes bearing barbitur...
- Germanium(II)-Mediated Reductive Cross-Aldol Reaction of Bromoaldehydes with Aldehydes: NMR Studies and ab Initio Calculations.
[作者:Tanaka, Shin-ya;Tagashira, Nobuo;Chiba, Kouji;Yasuda, Makoto;Baba, Akio;,期刊:Journal of Organic Chemistry, 页码:6312-6320 , 文章类型: 研究论文,,卷期:2008年73-16]
- A highly practical reductive cross-aldol reaction of a-bromoaldehydes with various aldehydes has been developed using Ge(II)Cl2 to produce aldehyde germanium(IV) aldolates, which were directly transformed to various mult...
- Glycolipids from Sponges. 20. J-Coupling Analysis for Stereochemical Assignments in Furanosides: Structure Elucidation of Vesparioside B, a Glycosphingolipid from the Marine Sponge Spheciospongia vesparia.
[作者:Costantino, Valeria;Fattorusso, Ernesto;Imperatore, Concetta;Mangoni, Alfonso;,期刊:Journal of Organic Chemistry, 页码:6158-6165 , 文章类型: 研究论文,,卷期:2008年73-16]
- Reinvestigation of the glycosphingolipid compn. of the marine sponge Spheciospongia vesparia revealed the presence of vesparioside B, a new furanose-rich hexaglycosylated glycosphingolipid that is the most complex glycos...
- Copper(II)-Bis(oxazoline) Catalyzed Asymmetric Diels-Alder Reaction with a'-Arylsulfonyl Enones as Dienophiles.
[作者:Barroso, Santiago;Blay, Gonzalo;Al-Midfa, Lina;Munoz, M. Carmen;Pedro, Jose R.;,期刊:Journal of Organic Chemistry, 页码:6389-6392 , 文章类型: 研究论文,,卷期:2008年73-16]
- Derivatives, and Condensed Benzenoid Compounds) Section a'-Arylsulfonyl enones are efficient bidentate dienophiles for the Cu(II)-bis(oxazoline) catalyzed enantioselective Diels-Alder reaction with a no. of dienes, affor...
- Rational or Statistical Routes from 1-Acyldipyrromethanes to meso-Substituted Porphyrins. Distinct Patterns, Multiple Pyridyl Substituents, and Amphipathic Architectures.
[作者:Dogutan, Dilek Kiper;Ptaszek, Marcin;Lindsey, Jonathan S.;,期刊:Journal of Organic Chemistry, 页码:6187-6201 , 文章类型: 研究论文,,卷期:2008年73-16]
- 27 New methodol. is described for the synthesis of porphyrins bearing four (A4, cis-A2B2, cis-ABC2, trans-A2B2) or fewer (A, cis-AB, cis-A2, trans-A2) meso substituents. The method entails condensation of two 1-acyldipy...
- Enantiomerization of Chiral Uranyl-Salophen Complexes via Unprecedented Ligand Hemilability: Toward Configurationally Stable Derivatives.
[作者:Ciogli, Alessia;Dalla Cort, Antonella;Gasparrini, Francesco;Lunazzi, Lodovico;Mandolini, Luigi;Mazzanti, Andrea;Pasquini, Chiara;Pierini, Marco;Schiaffino, Luca;Yafteh Mihan, Francesco;,期刊:Journal of Organic Chemistry, 页码:6108-6118 , 文章类型: 研究论文,,卷期:2008年73-16]
- In the search for configurationally stable inherently chiral uranyl-salophen complexes, the newly synthesized compd. UO2(L1) (3, H2L1 = I: R1 = R2 = R3 = H, R4-R5 = -(CH2)12-) featuring a dodecamethylene chain was expect...
- Synthesis of Perylene-3,4-mono(dicarboximide)-Fullerene C60 Dyads as New Light-Harvesting Systems.
[作者:Baffreau, Jerome;Ordronneau, Lucie;Leroy-Lhez, Stephanie;Hudhomme, Pietrick;,期刊:Journal of Organic Chemistry, 页码:6142-6147 , 文章类型: 研究论文,,卷期:2008年73-16]
- (Radiation Chemistry, Photochemistry, and Photographic and Other Fullerene C60-perylene-3,4-mono(dicarboximide) (C60-PMI) dyads were synthesized in the search for new light-harvesting systems. The synthetic strategy to ...
- Modular Functional Integration of a Two-Input INH Logic Gate with a Fluorophore-Spacer-Receptor1-Spacer-Receptor2 Conjugate.
[作者:Kluciar, Marek;Ferreira, Rita;de Castro, Baltazar;Pischel, Uwe;,期刊:Journal of Organic Chemistry, 页码:6079-6085 , 文章类型: 研究论文,,卷期:2008年73-16]
- The synthesis and photophys. characterization of a fluorophore-spacer-receptor1-spacer-receptor2 system, which combines the 1,8-naphthalimide fluorophore with amine and urea receptor units, is reported. Photoinduced ele...
- Studies Directed toward the Stereochemical Structure Determination of the Naturally Occurring Glucosidase Inhibitor, Kotalanol: Synthesis and Inhibitory Activities against Human Maltase Glucoamylase of Seven-Carbon, Chain-Extended Homologues of Salacinol.
[作者:Nasi, Ravindranath;Patrick, Brian O.;Sim, Lyann;Rose, David R.;Pinto, B. Mario;,期刊:Journal of Organic Chemistry, 页码:6172-6181 , 文章类型: 研究论文,,卷期:2008年73-16]
- 1,4-anhydro-4-thio-D-arabinitol, analogs of the naturally occurring glycosidase inhibitor salacinol I and II, are described. These compds. were designed on the basis of the structure activity data of chain-extended anal...
- Stereoselectivity in the Epoxidation of Carbohydrate-Based Oxepines.
[作者:Markad, Shankar D.;Xia, Shijing;Snyder, Nicole L.;Surana, Bikash;Morton, Martha D.;Hadad, Christopher M.;Peczuh, Mark W.;,期刊:Journal of Organic Chemistry, 页码:6341-6354 , 文章类型: 研究论文,,卷期:2008年73-16]
- The facial selectivity in the DMDO epoxidn. of carbohydrate-based oxepines derived from glucose, galactose, and mannose has been detd. by product anal. and d. functional theory (DFT, B3LYP/6-31+G**//B3LYP/6-31G*) calcns....
- Sterically Biased 3,3-Sigmatropic Rearrangement of Chiral Allylic Azides: Application to the Total Syntheses of Alkaloids.
[作者:Lauzon, Sophie;Tremblay, Francois;Gagnon, David;Godbout, Cedrickx;Chabot, Christine;Mercier-Shanks, Catherine;Perreault, Stephane;DeSeve, Helene;Spino, Claude;,期刊:Journal of Organic Chemistry, 页码:6239-6250 , 文章类型: 研究论文,,卷期:2008年73-16]
- We describe a tandem Mitsunobu/3,3-sigmatropic rearrangement of allylic azides on a chiral auxiliary system that favors one regioisomer thanks to its exceptional steric bias. The sequence may be completed by the oxidati...
- A Biomimetic Approach for Polyfunctional Secocholanes: Tuning Flexibility and Functionality on Peptidic and Macrocyclic Scaffolds Derived from Bile Acids.
[作者:Rivera, Daniel G.;Pando, Orlando;Bosch, Rayser;Wessjohann, Ludger A.;,期刊:Journal of Organic Chemistry, 页码:6229-6238 , 文章类型: 研究论文,,卷期:2008年73-16]
- However, the use of seco bile acids, i.e., bile acids with opened rings, as cores or building blocks for the assembly of complex peptide conjugates or macrocycles has remained elusive so far. A biomimetic approach to se...
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