- Synthesis of Sugar Nucleotides by Application of Phosphoramidites.
[作者:Gold, Henrik;van Delft, Pieter;Meeuwenoord, Nico;Codee, Jeroen D. C.;Filippov, Dmitri V.;Eggink, Gerrit;Overkleeft, Herman S.;van der Marel, Gijs A.;,期刊:Journal of Organic Chemistry, 页码:9458-9460 , 文章类型: 研究论文,,卷期:2008年73-23]
- A new method for the construction of pyrophosphates is reported based on the coupling of a sugar phosphate and a nucleoside phosphoramidite. The in situ formed phosphate-phosphite intermediate was subsequently oxidized ...
- Vilsmeier Reaction of Enaminones: Efficient Synthesis of Halogenated Pyridin-2(1H)-ones.
[作者:Zhang, Rui;Zhang, Dingyuan;Guo, Yongli;Zhou, Guangyuan;Jiang, Zijiang;Dong, Dewen;,期刊:Journal of Organic Chemistry, 页码:9504-9507 , 文章类型: 研究论文,,卷期:2008年73-23]
- A facile and efficient one-pot synthesis of halogenated pyridin-2(1H)-ones, e.g., I, from a series of readily available enaminones under Vilsmeier conditions is described, and a mechanism involving sequential halogenatio...
- Synthesis of Pulvinic Derivatives via TBAF-Mediated Regioselective Opening of an Unsymmetrical Monoaromatic Pulvinic Dilactone.
[作者:Habrant, Damien;Le Roux, Antoine;Poigny, Stephane;Meunier, Stephane;Wagner, Alain;Mioskowski, Charles;,期刊:Journal of Organic Chemistry, 页码:9490-9493 , 文章类型: 研究论文,,卷期:2008年73-23]
- The synthesis of the monoarom. pulvinic dilactone I from a tetronic acid deriv. was reported. The reaction of I with various amines was found to provide the two pulvinamides regioisomers, such as II and III {R = N[(CH2)...
- The Recognition and Sensing of Anions through "Positive Allosteric Effects" Using Simple Urea-Amide Receptors.
[作者:dos Santos, Cidalia M. G.;McCabe, Thomas;Watson, Graeme W.;Kruger, Paul E.;Gunnlaugsson, Thorfinnur;,期刊:Journal of Organic Chemistry, 页码:9235-9244 , 文章类型: 研究论文,,卷期:2008年73-23]
- The design, synthesis, and x-ray crystallog. anal. of three simple diaryl-urea based anion receptors possessing an amide moiety on one of the aryl groups, and an electron withdrawing CF3 group on the other, is described....
- A Linchpin Carbacyclization Approach for the Synthesis of Carbanucleosides.
[作者:Leung, Leo M. H.;Gibson, Vicky;Linclau, Bruno;,期刊:Journal of Organic Chemistry, 页码:9197-9206 , 文章类型: 研究论文,,卷期:2008年73-23]
- A convenient synthesis of carbanucleosides, e.g. I, with both enantiomers equally accessible, is reported. The key step is a tandem linchpin cyclization process to give access to substituted carbafuranose derivs. having...
- Stereoselective Synthesis of a C-Linked Neuraminic Acid Disaccharide: Potential Building Block for the Synthesis of C-Analogs of Polysialic acids.
[作者:Kim, Jin-Hwan;Huang, Fei;Ly, Mellisa;Linhardt, Robert J.;,期刊:Journal of Organic Chemistry, 页码:9497-9500 , 文章类型: 研究论文,,卷期:2008年73-23]
- C-Linked neuraminic acid disaccharide was synthesized in a diastereoselective manner from a sulfone donor and aldehyde acceptor, which was protected as a propargyl ether, through a samarium-mediated coupling reaction. T...
- Conjugated Ladder-Type Heteroacenes Bearing Pyrrole and Thiophene Ring Units: Facile Synthesis and Characterization.
[作者:Gao, Peng;Feng, Xinliang;Yang, Xiaoyin;Enkelmann, Volker;Baumgarten, Martin;Muellen, Klaus;,期刊:Journal of Organic Chemistry, 页码:9207-9213 , 文章类型: 研究论文,,卷期:2008年73-23]
- Ladder-type heteroacenes contg. pyrrole and thiophene rings, e.g. the dibenzothienocarbazole I, were facilely synthesized through appropriate precursors, e.g. II. The key step is a triflic acid induced intramol. electro...
- b-Sugar Aminoxy Peptides As Rigid Secondary Structural Scaffolds.
[作者:Chandrasekhar, Srivari;Rao, Chennamaneni Lohitha;Reddy, Marepally Srinivasa;Sharma, Ganti Dattatreya;Kiran, Marelli Udaya;Naresh, Police;Chaitanya, Gunturu Krishna;Bhanuprakash, Kotamarthi;Jagadeesh, Bharatam;,期刊:Journal of Organic Chemistry, 页码:9443-9446 , 文章类型: 研究论文,,卷期:2008年73-23]
- Short homo-oligomers of a new building block, cis-b2,3-furanoid sugar aminooxy acid, are designed, characterized, and found to exhibit rigid ribbon-like secondary structures composed of 5/7 bifurcated intramol. hydrogen ...
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