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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55条记录   Active Low-Valent Niobium Catalysts from NbCl(5) and Hydrosilanes for Selective Intermolecular Cycloadditions [作者：SATOH YASUSHI; OBORA YASUSHI,期刊：Journal of Organic Chemistry, 页码：8569-8573 , 文章类型： Article，,卷期：2011年76-20] An active niobium catalyst was developed via a simple and nontoxic reduction method from NbCl(5)/hydrosilane and utilized for the selective [2 + 2 + 2] cycloaddition reaction of terminal alkynes and alkenes/alpha,omega-d... Asymmetric Synthesis of Sphinganine and Clavaminol H (vol 75, pg 5312, 2010) [作者：AITYOUCEF RAMZI; MOREAU XAVIER; GRECK CHRISTINE,期刊：Journal of Organic Chemistry, 页码：8574-8574 , 文章类型： Correction，,卷期：2011年76-20] Enantioselective Organocatalytic Friedel-Crafts Alkylation Reaction of Indoles with 5-Hydroxyfuran-2(5H)-one: Access to Chiral gamma-Lactones and gamma-Lactams via a Ugi 4-Center 3-Component Reaction [作者：RIGUET EMMANUEL,期刊：Journal of Organic Chemistry, 页码：8143-8150 , 文章类型： Article，,卷期：2011年76-20] 5-Hydroxyfuran-2(5H)-one 1, a readily available renewable resource, was used as an electrophile in the Friedel-Crafts alkylation of indoles catalyzed by a diphenylprolinol silyl ether. Moderate catalyst loading was achie... Rearrangement of 3-Deoxy-D-erythro-hexos-2-ulose in Aqueous Solution: NMR Evidence of Intramolecular 1,2-Hydrogen Transfer [作者：ZHANG WENHUI; CARMICHAEL IAN; SERIANNI ANTHONY S,期刊：Journal of Organic Chemistry, 页码：8151-8158 , 文章类型： Article，,卷期：2011年76-20] Selective (13)C- and (2)H-labeling, and (13)C NMR spectroscopy, have been used to show that the 1,2-dicarbonyl compound (osone), 3-deoxy-D-erythro-hexos-2-ulose (3-deoxy-n-glucosone) (1; 3DG), degrades to 3-deoxy-D-ribo-... Preparation of Nucleosides Derived from 2-Nitroimidazole and D-Arabinose, D-Ribose, and D-Galactose by the Vorbruggen Method and Their Conversion to Potential Precursors for Tracers To Image Hypoxia [作者：SCHWEIFER ANNA; HAMMERSCHMIDT FRIEDRICH,期刊：Journal of Organic Chemistry, 页码：8159-8167 , 文章类型： Article，,卷期：2011年76-20] 2-Nitroimidazole was silylated using hexaethyldisilazane and then reacted with 1-O-acetyl derivatives of D-arabinose, D-ribose, and D-galactose in acetonitrile at mild temperatures (-20 degrees C to rt), catalyzed by tri... 1,7-Disubstituted Boron Dipyrromethene (BODIPY) Dyes: Synthesis and Spectroscopic Properties [作者：LEEN VOLKER; MISCORIA DOMINIQUE; YIN SHOUCHUN; FILAROWSKI ALEKSANDER; NGONGO JOSEPH MOLISHO; VAN DER AUWERAER MARK; BOENS NOEL; DEHAEN WIM,期刊：Journal of Organic Chemistry, 页码：8168-8176 , 文章类型： Article，,卷期：2011年76-20] 1,7-Dihalogenated boron dipyrromethene dyes were successfully synthesized and substituted, thus providing an entry to the final, elusive reactivity pattern. The spectroscopic properties of 1,7-disubstituted BODIPY dyes w... Triplet-Sensitized Photoreactivity of a Geminal Diazidoalkane [作者：RANAWEERA RANAWEERA A A UPUL; SANKARANARAYANAN JAGADIS; CASEY LYDIA; AULT BRUCE S; GUDMUNDSDOTTIR ANNA D,期刊：Journal of Organic Chemistry, 页码：8177-8188 , 文章类型： Article，,卷期：2011年76-20] Photolysis of 1 in chloroform yielded 2 as the major product and a small quantity of 3. Laser flash photolysis demonstrated that upon irradiation, the first excited triplet state of the ketone (T(1K)) of 1 is formed and ... Excited-State Intramolecular Proton Transfer Molecules Bearing o-Hydroxy Analogues of Green Fluorescent Protein Chromophore [作者：CHUANG WEITI; HSIEH CHENGCHIH; LAI CHINHUNG; LAI CHENGHSUAN; SHIH CHUNWEI; CHEN KEWYU; HUNG WENYI; HSU YUHSIANG; CHOU PITAI,期刊：Journal of Organic Chemistry, 页码：8189-8202 , 文章类型： Article，,卷期：2011年76-20] o-Hydroxy analogues, 1a-g, of the green fluorescent protein chromophore have been synthesized. Their structures and electronic properties were investigated by X-ray single-crystal analyses, electrochemistry, and luminesc... Synthesis of Unsymmetrical 3,4-Diaryl-3-pyrrolin-2-ones Utilizing Pyrrole Weinreb Amides [作者：GREGER JESSICA G; YOONMILLER SARAH J P; BECHTOLD NATHAN R; FLEWELLING SCOTT A; MACDONALD JACOB P; DOWNEY CATHERINE R; COHEN ERIC A; PELKEY ERIN T,期刊：Journal of Organic Chemistry, 页码：8203-8214 , 文章类型： Article，,卷期：2011年76-20] A regiocontrolled synthesis of unsymmetrical 3,4-diaryl-3-pyrrolin-2-ones has been achieved in three steps from 1,2-diaryl-1-nitroethenes with pyrrole-2-carboxamides (pyrrole Weinreb amides) serving as the key linchpin i... Colorimetric Probes Based on Anthraimidazolediones for Selective Sensing of Fluoride and Cyanide Ion via Intramolecular Charge Transfer [作者：KUMARI NAMITA; JHA SATADRU; BHATTACHARYA SANTANU,期刊：Journal of Organic Chemistry, 页码：8215-8222 , 文章类型： Article，,卷期：2011年76-20] Probes based on anthra[1,2-d]imidazole-6,11-dione were designed and synthesized for selective ion sensing. Each probe acted as strong colorimetric sensors for fluoride and cyanide ions and exhibited intramolecular charge... Hydrogen-Bond-Mediated Self-Assembly of 26-Membered Diaza Tetraester Crowns of 3,5-Disubstituted 1H-Pyrazole. Dimerization Study in the Solid State and in CDCl(3) Solution [作者：REVIRIEGO FELIPE; NAVARRO PILAR; ARAN VICENTE J; LUISA JIMENO MARIA; GARCIAESPANA ENRIQUE; LATORRE JULIO; YUNTA MARIA J R,期刊：Journal of Organic Chemistry, 页码：8223-8231 , 文章类型： Article，,卷期：2011年76-20] By using an improved synthetic method reported earlier, the cyclic stannoxanes obtained from RN-diethanolamine (R = Me, Bu) and dibutyltin oxide have been reacted with 1H-pyrazole-3,5-dicarbonyl dichloride to afford 26-m... Photochemistry of S-Phenacyl Xanthates [作者：VEETIL ANEESH TAZHE; SOLOMEK TOMAS; NGOY BOKOLOMBE PITCHOU; PAVLIKOVA NELA; HEGER DOMINIK; KLAN PETR,期刊：Journal of Organic Chemistry, 页码：8232-8242 , 文章类型： Article，,卷期：2011年76-20] Various synthetically readily accessible S-phenacyl xanthates are shown to undergo photoinitiated homolytic scission of the C-wS bond in the primary step. The resultant fragments, phenacyl and xanthic acid radicals, reco... Synthesis of 2- and 2,3-Substituted Pyrazolo[1,5-a]pyridines: Scope and Mechanistic Considerations of a Domino Direct Alkynylation and Cyclization of N-Iminopyridinium Ylides Using Alkenyl Bromides, Alkenyl Iodides, and Alkynes [作者：MOUSSEAU JAMES J; BULL JAMES A; LADD CAROLYN L; FORTIER ANGELIQUE; ROMAN DANIELA SUSTAC; CHARETTE ANDRE B,期刊：Journal of Organic Chemistry, 页码：8243-8261 , 文章类型： Article，,卷期：2011年76-20] Direct functionalization and tandem processes have both received considerable recent interest due to their cost and time efficiency. Herein we report the synthesis of difficult to obtain 2-substituted pyrazolo[1,5-a]pyri... Direct, Metal-Free Amination of Heterocyclic Amides/Ureas with NH-Heterocycles and N-Substituted Anilines in POCl(3) [作者：DENG XIAOHU; ROESSLER ARMIN; BRDAR IVANA; FAESSLER ROGER; WU JIEJUN; SALES ZACHARY S; MANI NEELAKANDHA S,期刊：Journal of Organic Chemistry, 页码：8262-8269 , 文章类型： Article，,卷期：2011年76-20] A POCl(3)-mediated, direct amination reaction of heterocyclic amides/ureas with NH-heterocycles or N-substituted anilines is described. Compared to the existing methods, this operationally simple protocol provides unique... Interconversion between [5]Pseudorotaxane and [3]Pseudorotaxane by Pasting/Detaching Two Axle Molecules [作者：ZHANG ZHIJUN; ZHANG HENGYI; CHEN LING; LIU YU,期刊：Journal of Organic Chemistry, 页码：8270-8276 , 文章类型： Article，,卷期：2011年76-20] An acceptor-donor-acceptor-type linear molecule 1(2+) containing one electron-rich naphthoxy (NP) unit and two monocharged viologen (MCV) units was synthesized. Through the noncovalent interaction of cucurbit[8]uril (CB[... Synthesis of Benzothiophene Derivatives by Pd-Catalyzed or Radical-Promoted Heterocyclodehydration of 1-(2-Mercaptophenyl)-2-yn-1-ols [作者：GABRIELE BARTOLO; MANCUSO RAFFAELLA; LUPINACCI ELVIRA; VELTRI LUCIA; SALERNO GIUSEPPE; CARFAGNA CARLA,期刊：Journal of Organic Chemistry, 页码：8277-8286 , 文章类型： Article，,卷期：2011年76-20] Novel and convenient approaches to benzothiophene derivatives 3 and 5 have been developed, based on heterocyclization reactions of 1-(2-mercaptophenyl)-2-yn-1-is 2 or 4, respectively, readily available from alkynylation ...