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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65条记录   A Trifluoroacetic Acid-labile Sulfonate Protecting Group and Its Use in the Synthesis of a Near-IR Fluorophore [作者：PAUFF STEVEN M; MILLER STEPHEN C,期刊：Journal of Organic Chemistry, 页码：711-716 , 文章类型： Article，,卷期：2013年78-2] Sulfonated molecules exhibit high water solubility, a property that is valuable for many biological applications but often complicates their synthesis and purification. Here we report a sulfonate protecting group that is... 2-Aryl-2-nitroacetates as Central Precursors to Aryl Nitromethanes, alpha-Ketoesters, and alpha-Amino Acids [作者：METZ ALISON E; KOZLOWSKI MARISA C,期刊：Journal of Organic Chemistry, 页码：717-722 , 文章类型： Article，,卷期：2013年78-2] Nitroarylacetates are useful small molecular building blocks that act as precursors to alpha-ketoesters and aryl nitromethanes as well as alpha-amino acids. Methods were developed that produce each of these compound type... Synthesis of Cyclopentanyl Carbocyclic 5-Fluorocytosine ((-)-5-Fluorocarbodine) Using a Facially Selective Hydrogenation Approach [作者：CHO JONG HYUN; AMBLARD FRANCK; COATS STEVEN J; SCHINAZI RAYMOND F,期刊：Journal of Organic Chemistry, 页码：723-727 , 文章类型： Article，,卷期：2013年78-2] An efficient synthetic route to biologically relevant (-)-5-fluorocarbodine 6 was developed. Direct coupling of N-6-protected 5-fluorouracil 15 with cyclopentenyl intermediate 13, followed by formation of a macrocycle be... Hypervalent Iodine Mediated para-Selective Fluorination of Anilides [作者：TIAN TIAN; ZHONG WENHE; MENG SHUAI; MENG XIANGBAO; LI ZHONGJUN,期刊：Journal of Organic Chemistry, 页码：728-732 , 文章类型： Article，,卷期：2013年78-2] A metal-free method for the direct regioselective fluorination of anilides has been developed. In the presence of bis(tert-butylcarbonyloxy)iodobenzene (PhI(OPiv)(2)) and hydrogen fluoride-pyridine, the para-fluorination... Synthesis of Tetramic Acid Derivatives via Intramolecular sp(3) C-H Amination Mediated by Hypervalent Iodine(III) Reagents/Bronsted Acids [作者：MAO LUJIA; LI YAN; XIONG TAO; SUN KAI; ZHANG QIAN,期刊：Journal of Organic Chemistry, 页码：733-737 , 文章类型： Article，,卷期：2013年78-2] An efficient synthesis of tetramic acid derivatives was developed via intramolecular sp(3) C-H aminations of 1-acetyl N-aryl cyclopropane/cyclopentanecarboxamides in the presence of PhI(OPiv)(2) and CH3CH2COOH. C-H Bonds as Ubiquitous Functionality: Preparation of Multiple Regioisomers of Arylated 1,2,4-Triazoles via C-H Arylation [作者：JOO JUNG MIN; GUO PENGFEI; SAMES DALIBOR,期刊：Journal of Organic Chemistry, 页码：738-743 , 文章类型： Article，,卷期：2013年78-2] We describe a general approach for the synthesis of complex aryl 1,2,4-triazoles. The electronic character of the C-H bonds and the triazole ring allows for the regioselective C-H arylation of 1-alkyl- and 4-alkyltriazol... Per-6-amino-beta-cyclodextrin as a Chiral Base Catalyst Promoting One-Pot Asymmetric Synthesis of 2-Aryl-2,3-dihydro-4-quinolones [作者：KANAGARAJ KUPPUSAMY; PITCHUMANI KASI,期刊：Journal of Organic Chemistry, 页码：744-751 , 文章类型： Article，,卷期：2013年78-2] A highly efficient one-pot synthesis of enantiomerically enriched 2-aryl-2,3-dihydroquinolin-4(1H)-ones has been carried out for the first time using per-6-ABCD as a supramolecular host, chiral base catalyst, and a reusa... Electron-Rich Pyrroloindacenodithiophenes: Synthesis, Characterization, and Spectroscopic Studies [作者：XIONG YU; WU QINGHE; LI JIE; WANG SHITAO; GAO XIKE; LI HONGXIANG,期刊：Journal of Organic Chemistry, 页码：752-756 , 文章类型： Article，,卷期：2013年78-2] N-Alkyl substituted pyrroloindacenodithiophene (PIDT) and their phenyl substituted derivatives were synthesized. Their single-crystal structures and electrochemical and spectroscopic properties were investigated. Experim... Conversion of F-BODIPYs to Cl-BODIPYs: Enhancing the Reactivity of F-BODIPYs [作者：LUNDRIGAN TRAVIS; THOMPSON ALISON,期刊：Journal of Organic Chemistry, 页码：757-761 , 文章类型： Article，,卷期：2013年78-2] A new method for the synthesis of Cl-BODIPYs from F-BODIPYs is reported, merely requiring treatment of the F-BODIPY with boron trichloride. Cl-BODIPYs are exploited as synthetic intermediates generated in situ for the ov... Cyanide Anion as a Leaving Group in Nucleophilic Aromatic Substitution: Synthesis of Quaternary Centers at Azine Heterocycles [作者：THOMPSON ALEXANDER D; HUESTIS MALCOLM P,期刊：Journal of Organic Chemistry, 页码：762-769 , 文章类型： Article，,卷期：2013年78-2] Nucleophilic aromatic substitution of 2- or 4-cyanoazines with the anions derived from aliphatic alpha,alpha-disubstituted esters and nitriles leads to displacement of the cyanide function. Enabling cyanides to be used a... Asymmetric Synthesis of alpha-Alkylidene-beta-hydroxy-gamma-butyrolactones via Enantioselective Tandem Michael-Aldol Reaction [作者：LEE SUNG IL; JANG JIN HEE; HWANG GEUMSOOK; RYU DO HYUN,期刊：Journal of Organic Chemistry, 页码：770-775 , 文章类型： Article，,卷期：2013年78-2] A simple and efficient method for the asymmetric synthesis of alpha-alkylidene-beta-hydroxy-gamma-butyrolactones and related natural products was developed on the basis of the catalytic asymmetric tandem Michael-aldol re... Palladium-Catalyzed Saegusa-Ito Oxidation: Synthesis of alpha,beta-Unsaturated Carbonyl Compounds from Trimethylsilyl Enol Ethers [作者：LU YINGDONG; PIERRE LONG NGUYEN; LEVARAY NICOLAS; LEBEL HELENE,期刊：Journal of Organic Chemistry, 页码：776-779 , 文章类型： Article，,卷期：2013年78-2] Palladium-catalyzed Saegusa-Ito oxidation of trimethylsilyl enol ethers is possible using Oxone as a stoichiometric oxidant and sodium hydrogen phosphate as a buffer. Cyclic and acyclic enones as well as alpha,beta-unsat... Diastereoselective One-Pot Knoevenagel Condensation/Corey-Chaykovsky Cyclopropanation [作者：CLEMENS JEREMY J; ASGIAN JULIANA L; BUSCH BRETT B; COON TIMOTHY; ERNST JUSTIN; KALJEVIC LEONARD; KRENITSKY PAUL J; NEUBERT TIMOTHY D; SCHWEIGER EDWIN J; TERMIN ANDREAS; STAMOS DEAN,期刊：Journal of Organic Chemistry, 页码：780-785 , 文章类型： Article，,卷期：2013年78-2] Efforts to substitute the cyclopropane ring in a series of aryl cyclopropylnitriles led to the discovery of an operationally simple one-pot method for Knoevenagel condensation and subsequent Corey-Chaykovsky cyclopropana... Formal Synthesis of Cephalotaxine [作者：ZHANG ZHIWEI; ZHANG XIAOFANG; FENG JUAN; YANG YIHUA; WANG CUICUI; FENG JIACAI; LIU SHOUXIN,期刊：Journal of Organic Chemistry, 页码：786-790 , 文章类型： Article，,卷期：2013年78-2] A formal synthesis of cephalotaxine, the parent member of the Cephalotaxus alkaloids, was achieved. It features a practical four-step assembly of the benzazepine-bearing pentacyclic ring system through two alkylation rea... Copper-Catalyzed Asymmetric Oxidation of Sulfides (vol 77, pg 3288, 2012) [作者：OMAHONY GRAHAM E; FORD ALAN; MAGUIRE ANITA R,期刊：Journal of Organic Chemistry, 页码：791-791 , 文章类型： Correction，,卷期：2013年78-2] Linear and Cyclic Amides with a Thiophene Backbone: Ultrasound-Promoted Synthesis and Crystal Structures (vol 77, pg 9676, 2012) [作者：NGO THIEN H; BERNDT HUELYA; LENTZ DIETER; REISSIG HANSULRICH,期刊：Journal of Organic Chemistry, 页码：792-792 , 文章类型： Correction，,卷期：2013年78-2]