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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61条记录   A Modular Approach to Aryl-C-ribonucleosides via the Allylic Substitution and Ring-Closing Metathesis Sequence. A Stereocontrolled Synthesis of All Four alpha-/beta- and D-/L-C-Nucleoside Stereoisomers [作者：STAMBASKY JAN; KAPRAS VOJTECH; STEFKO MARTIN; KYSILKA ONDREJ; HOCEK MICHAL; MALKOV ANDREI V; KOCOVSKY PAVEL,期刊：Journal of Organic Chemistry, 页码：7781-7803 , 文章类型： Article，,卷期：2011年76-19] Iridium(I)-catalyzed allylation of the enantiopure monoprotected copper(I) alkoxide, generated from (S)-5a, with the enantiopure allylic carbonates (R)-9a,b has been developed as the key step in a new approach to C-nucle... Synthesis of Vaniprevir (MK-7009): Lactamization To Prepare a 22-Membered Macrocycle [作者：SONG ZHIGUO J; TELLERS DAVID M; JOURNET MICHEL; KUETHE JEFFREY T; LIEBERMAN DAVID; HUMPHREY GUY; ZHANG FEI; PENG ZHIHUI; WATERS MARJORIE S; ZEWGE DANIEL; NOLTING ANDREW; ZHAO DALIAN; REAMER ROBERT A; DORMER PETER G; BELYK KEVIN M; DAVIES IAN W; DEVINE PAUL N; TSCHAEN DAVID M,期刊：Journal of Organic Chemistry, 页码：7804-7815 , 文章类型： Article，,卷期：2011年76-19] Development of a practical synthesis of MK-7009, a 22-membered macrocycle, is described. A variety of ring-closing strategies were evaluated, including ring-closing metathesis, intermolecular palladium-catalyzed cross-co... Influence of the Chemical Structure of Water-Soluble Cryptophanes on Their Overall Chiroptical and Binding Properties [作者：BOUCHET AUDE; BROTIN THIERRY; LINARES MATHIEU; CAVAGNAT DOMINIQUE; BUFFETEAU THIERRY,期刊：Journal of Organic Chemistry, 页码：7816-7825 , 文章类型： Article，,卷期：2011年76-19] The synthesis and the chiroptical properties of the two enantiomers of the hexacarboxylic acid cryptophane-A derivative, 1, are described in this article. The chiroptical and binding properties of 1 toward achiral and ch... Asymmetric Organocatalytic Allylic Substitution of Morita-Baylis-Hillman Carbonates with Allylamines for the Synthesis of 2,5-Dihydropyrroles [作者：SUN WANGSHENG; MA XIAOZHOU; HONG LIANG; WANG RUI,期刊：Journal of Organic Chemistry, 页码：7826-7833 , 文章类型： Article，,卷期：2011年76-19] The asymmetric allylic substitution reaction of MBH carbonates with allylamines has been developed, which affords N-allyl-beta-amino-alpha-methylene esters in high yields and enantioselectivities. After a subsequent ring... Studies on the Synthesis of Apoptolidin: Synthesis of a C(1)-C(27) Fragment of Apoptolidin D [作者：SRINIVASARAO MADDURI; KIM YOUNGSOON; LI XIAOJIN HARRY; ROBBINS DANIEL W; FUCHS PHILIP L,期刊：Journal of Organic Chemistry, 页码：7834-7841 , 文章类型： Article，,卷期：2011年76-19] Synthesis of a C(1)-C(27) fragment, a key intermediate in the synthesis of apoptolidin D, is reported. The synthesis involves a combination of Heck coupling and Horner-Wadsworth-Emmons reaction for the C(1)-C(7) trienoat... Reduction of Amine N-Oxides by Diboron Reagents [作者：KOKATLA HARI PRASAD; THOMSON PAUL F; BAE SUYEAL; DODDI VENKATA RAMANA; LAKSHMAN MAHESH K,期刊：Journal of Organic Chemistry, 页码：7842-7848 , 文章类型： Article，,卷期：2011年76-19] Facile reduction of alkylamino-, anilino-, and pyridyl-N-oxides can be achieved via the use of diboron reagents, predominantly bis(pinacolato)- and in some cases bis(catecholato)diboron [(pinB)(2) and (catB)(2), respecti... Catalytic Asymmetric 1,6-Michael Addition of Arylthiols to 3-Methyl-4-nitro-5-alkenyl-isoxazoles with Bifunctional Catalysts [作者：PEI QINGLAN; SUN HONGWEI; WU ZHIJUN; DU XILIN; ZHANG XIAOMEI; YUAN WEICHENG,期刊：Journal of Organic Chemistry, 页码：7849-7859 , 文章类型： Article，,卷期：2011年76-19] An enantioselective 1,6-Michael addition reaction of arylthiols to a wide range of 3-methyl-4-nitro-5-alkenyl-isoxazoles catalyzed by readily available Takemoto's thiourea catalyst has been developed. This reaction provi... Role of Anions in the Synthesis of Cyclobutane Derivatives via [2+2] Cycloaddition Reaction in the Solid State and Their Isomerization in Solution [作者：KOLE GOUTAM KUMAR; TAN GEOK KHENG; VITTAL JAGADESE J,期刊：Journal of Organic Chemistry, 页码：7860-7865 , 文章类型： Article，,卷期：2011年76-19] trans-3-(4'-Pyridyl)acrylic acid (4-PA) is inert to photodimerization reaction both in solution and solid state. It is made photoreactive by forming salts with various acids. The anions of these salts play a key role in ... Site-Selective Imination of an Anthracenone Sensor: Selective Fluorescence Detection of Barium(II) [作者：BASA PREM N; BHOWMICK ARUNDHATI; SCHULZ MARIAH M; SYKES ANDREW G,期刊：Journal of Organic Chemistry, 页码：7866-7871 , 文章类型： Article，,卷期：2011年76-19] Site-selective imination of anthraquinone-based macrocyclic crown ethers using titanium tetrachloride as the catalyst yields imines where only the external carbonyl group of the anthraquinone forms Schiff-bases. The foll... Synthesis of Amino-1,4-benzoquinones and Their Use in Diels-Alder Approaches to the Aminonaphthoquinone Antibiotics [作者：NAWRAT CHRISTOPHER C; LEWIS WILLIAM; MOODY CHRISTOPHER J,期刊：Journal of Organic Chemistry, 页码：7872-7881 , 文章类型： Article，,卷期：2011年76-19] A new protocol for the synthesis of protected amino-1,4-benzoquinones by oxidation of the corresponding 2,5-dimethoxyaniline derivatives using PhI(OAc)(2) or PhI(OCOCF(3))(2) in water containing 2.5% methanol is reported... Synthetic Routes to, Transformations of, and Rather Surprising Stabilities of (N-Methyl-N-phenylcarbamoyl)sulfenyl Chloride, ((N-Methyl-N-phenylcarbamoyl)dithio)carbonyl Chloride, and Related Compounds [作者：SCHRADER ALEX M; SCHROLL ALAYNE L; BARANY GEORGE,期刊：Journal of Organic Chemistry, 页码：7882-7892 , 文章类型： Article，,卷期：2011年76-19] The title compound classes, (carbamoyl)sulfenyl chlorides and ((carbamoyl)dithio)carbonyl chlorides, have been implicated previously as unstable, albeit trappable, intermediates in organosulfur chemistry. The present wor... Synthesis of PDE IVb Inhibitors. 1. Asymmetric Synthesis and Stereochemical Assignment of (+)- and (-)-7-[3-(Cyclopentyloxy)-4-methoxyphenyl]hexahydro-3H-pyrrolizin-3-one [作者：SUKHORUKOV ALEXEY YU; BOYKO YAROSLAV D; IOFFE SEMA L; KHOMUTOVA YULIA A; NELYUBINA YULIA V; TARTAKOVSKY VLADIMIR A,期刊：Journal of Organic Chemistry, 页码：7893-7900 , 文章类型： Article，,卷期：2011年76-19] Asymmetric synthesis of GlaxoSmithKline's highly potent phosphodiesterase inhibitor 1 has been accomplished in nine steps and 16% overall yield. The original strategy suggested involves as a key step the silylation of en... Synthesis and Diels-Alder Cycloadditions of exo-Imidazolidin-2-one Dienes [作者：BAUTISTA RAFAEL; BERNAL PABLO; HERRERA RAFAEL; SANTOYO BLANCA M; MIGUEL LAZCANOSERES J; DELGADO FRANCISCO; TAMARIZ JOAQUIN,期刊：Journal of Organic Chemistry, 页码：7901-7911 , 文章类型： Article，,卷期：2011年76-19] An efficient and versatile synthesis of novel exo-imidazolidin-2-one dienes is described. This involves the base-assisted condensation/cyclization cascade reaction of the monoimino derivatives of diacetyl with a series o... Synthesis of (-)-alpha-Kainic Acid via TMSCl-Promoted Pd-Catalyzed Zinc-ene Cyclization of an Allyl Acetate [作者：WEI GUOQING; CHALKER JUSTIN M; COHEN THEODORE,期刊：Journal of Organic Chemistry, 页码：7912-7917 , 文章类型： Article，,卷期：2011年76-19] A highly practical synthesis of enantiopure (-)-alpha-kainic acid is accomplished in 37% overall yield, using 13 linear steps and a minimum of chromatographic separations via an unprecedented TMSCl-promoted palladium-cat... Air-Stable Pd(R-allyl)LCl (L = Q-Phos, P(t-Bu)(3), etc.) Systems for C-C/N Couplings: Insight into the Structure Activity Relationship and Catalyst Activation Pathway [作者：SEECHURN CARIN C C JOHANSSON; PARISEL SEBASTIEN L; COLACOT THOMAS J,期刊：Journal of Organic Chemistry, 页码：7918-7932 , 文章类型： Article，,卷期：2011年76-19] A series of Pd(R-allyl)LCl complexes [R = H, 1-Me, 1-Ph, 1-gem-Me(2), 2-Me; L = Q-Phos, P(t-Bu)(3), P(t-Bu)(2)-(p-NMe(2)C(6)H(4)), P(t-Bu)(2)Np] have been synthesized and evaluated in the Buchwald Hartwig aminations in d... An n ->pi* Interaction in Aspirin: Implications for Structure and Reactivity [作者：CHOUDHARY AMIT; KAMER KIMBERLI J; RAINES RONALD T,期刊：Journal of Organic Chemistry, 页码：7933-7937 , 文章类型： Article，,卷期：2011年76-19] Stereoelectronic effects modulate molecular structure, reactivity, and conformation. We find that the interaction between the ester and carboxyl moieties of aspirin has a previously unappreciated quantum mechanical chara...