- Synthesis and Absolute Configuration of Novel N,O-Psiconucleosides Using (R)-N-Phenylpantolactam as a Resolution Agent.
[作者:Camps, Pelayo;Gomez, Tania;Munoz-Torrero, Diego;Rull, Jordi;Sanchez, Laura;Boschi, Francesca;Comes-Franchini, Mauro;Ricci, Alfredo;Calvet, Teresa;Font-Bardia, Merce;De Clercq, Erik;Naesens, Lieve;,期刊:Journal of Organic Chemistry, 页码:6657-6665 , 文章类型: 研究论文,,卷期:2008年73-17]
- A series of novel N,O-psiconucleosides, e.g. I, has been prepd. in both enantiomeric forms by resoln. of an advanced racemic synthetic intermediate using (R)-N-phenylpantolactam as a chiral resoln. agent. The abs. config...
- Redox Electron-Transfer Reactions: Electrochemically Mediated Rearrangement, Mechanism, and a Total Synthesis of Daucene.
[作者:Park, Young Sam;Little, R. Daniel;,期刊:Journal of Organic Chemistry, 页码:6807-6815 , 文章类型: 研究论文,,卷期:2008年73-17]
- The term "housane" refers to mols. possessing a bicyclo[2.1.0]pentane core. One, I, was designed, synthesized, and used as a precursor of daucene, a member of the carotane class of sesquiterpenes. The total synthesis w...
- Divergent and Regioselective Synthesis of 1,2,4- and 1,2,5-Trisubstituted Imidazoles.
[作者:Delest, Bruno;Nshimyumukiza, Prosper;Fasbender, Olivier;Tinant, Bernard;Marchand-Brynaert, Jacqueline;Darro, Francis;Robiette, Raphael;,期刊:Journal of Organic Chemistry, 页码:6816-6823 , 文章类型: 研究论文,,卷期:2008年73-17]
- A divergent and regioselective synthesis of 1,2,4- and common intermediate has been developed. This methodol. is based on the regiocontrolled N-alkylation of 1-(N,N-dimethylsulfamoyl)-5-iodo-2-phenylthio-1H-imidazole (I...
- Room Temperature ICl-Induced Dehydration/Iodination of 1-Acyl-5-hydroxy-4,5-dihydro-1H-pyrazoles. A Selective Route to Substituted 1-Acyl-4-iodo-1H-pyrazoles.
[作者:Waldo, Jesse P.;Mehta, Saurabh;Larock, Richard C.;,期刊:Journal of Organic Chemistry, 页码:6666-6670 , 文章类型: 研究论文,,卷期:2008年73-17]
- A no. of new functionally substituted 1-acyl-5-hydroxy-4,5-dihydro-1H-pyrazoles, e.g. I (R = Ph, 4-EtO2CC6H4, n-Bu, etc.), have been prepd. in moderate to excellent yields from the corresponding 2-alkyn-1-ones, e.g. PhCO...
- Complementary Heterogeneous/Homogeneous Protocols for the Synthesis of Densely Functionalized Benzo[d]sultams: C-C Bond Formation by Intramolecular Nucleophilic Aromatic Fluorine Displacement.
[作者:Penso, Michele;Albanese, Domenico;Landini, Dario;Lupi, Vittoria;Tagliabue, Aaron;,期刊:Journal of Organic Chemistry, 页码:6686-6690 , 文章类型: 研究论文,,卷期:2008年73-17]
- Polyfunctionalized benzo[d]sultams, e.g. I and II, which contain an a-amino acid unit, have been synthesized from the corresponding open chain (pentafluorobenzene)sulfonamides 4 by complementary solid-liq. phase transfer...
- An Enantioselective Synthetic Route to cis-2,4-Disubstituted and 2,4-Bridged Piperidines.
[作者:Amat, Mercedes;Perez, Maria;Minaglia, Annamaria T.;Bosch, Joan;,期刊:Journal of Organic Chemistry, 页码:6920-6923 , 文章类型: 研究论文,,卷期:2008年73-17]
- Compounds (More Than One Hetero Atom)) Section A synthetic route to enantiopure cis-2,4-disubstituted and 2,4-bridged piperidines, e.g. I and II, is reported, the key step being a stereoselective conjugate addn. of an or...
- Selective Ortho Methylation of Nitroheteroaryls by Vicarious Nucleophilic Substitution.
[作者:Achmatowicz, Michal;Thiel, Oliver R.;Gorins, Gilles;Goldstein, Corinne;Affouard, Caroline;Jensen, Randy;Larsen, Robert D.;,期刊:Journal of Organic Chemistry, 页码:6793-6799 , 文章类型: 研究论文,,卷期:2008年73-17]
- An efficient and scalable three-step one-pot approach to 6-methyl-5-nitroisoquinoline from inexpensive 5-nitroisoquinoline, utilizing the vicarious nucleophilic substitution (VNS) as a key step, is described. The optimi...
- TiCl4/Et3N-Promoted Three-Component Condensation between Aromatic Heterocycles, Aldehydes, and Active Methylene Compounds.
[作者:Renzetti, Andrea;Dardennes, Emmanuel;Fontana, Antonella;De Maria, Paolo;Sapi, Janos;Gerard, Stephane;,期刊:Journal of Organic Chemistry, 页码:6824-6827 , 文章类型: 研究论文,,卷期:2008年73-17]
- A one-pot methodol. for the synthesis of polyfunctionalized indole derivs. by a TiCl4/Et3N-promoted trimol. condensation of aldehydes, indole heterocycles, and various activated carbonyl compds. is reported. Rationaliza...
- Thermal Ring Contraction of Dibenz[b,f]azepin-5-yl Radicals: New Routes to Pyrrolo[3,2,1-jk]carbazoles.
[作者:Crawford, Lynne A.;McNab, Hamish;Mount, Andrew R.;Wharton, Stuart I.;,期刊:Journal of Organic Chemistry, 页码:6642-6646 , 文章类型: 研究论文,,卷期:2008年73-17]
- Flash vacuum pyrolysis (FVP) of N-allyl- or N-benzyldibenz[b,f]azepine at 750 to 950 癈 gives pyrrolo[3,2,1-jk]carbazole as the major product. The mechanism of the ring contraction involves dibenzazepin-1-yl radical forma...
- General Strategy for the Synthesis of Natural and Unnatural Dialkylmaleic Anhydrides.
[作者:Haval, Kishan P.;Argade, Narshinha P.;,期刊:Journal of Organic Chemistry, 页码:6936-6938 , 文章类型: 研究论文,,卷期:2008年73-17]
- Starting from alkylidenesuccinimides I [R = CH3(CH2)4, CH3(CH2)12, Ph], a wide range of dialkylmaleic anhydrides, e.g. II (R1 = Me, PhCH2,Me2CH, etc.), have been synthesized via the generation of a carbanion on a succini...
- Highly Diastereoselective and Enantioselective Formal [4 + 1] Ylide Annulation for the Synthesis of Optically Active Dihydrofurans.
[作者:Zheng, Jun-Cheng;Zhu, Chun-Yin;Sun, Xiu-Li;Tang, Yong;Dai, Li-Xin;,期刊:Journal of Organic Chemistry, 页码:6909-6912 , 文章类型: 研究论文,,卷期:2008年73-17]
- On the basis of the reactions of camphor-derived sulfur ylide with a-ylidene-b-diketones, highly efficient and selective synthesis of optically active dihydrofurans I [R = Ph, 2-furyl, (E)-cinnamyl, etc.] has been achiev...
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