个性化文献订阅>文章检索

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37条记录   Azetidines: New Tools for the Synthesis of Nitrogen Heterocycles [作者：COUTY FRANCOIS; EVANO GWILHERM,期刊：SYNLETT, 页码：3053-3064 , 文章类型： Article，,卷期：2009年-19] Compared to other nitrogen heterocycles such as aziridines, pyrrolidines, or piperidines, the chemistry of azetidines is Much less developed, probably because of their limited availability. In this account, recent synthe... Camphor Derivatives in Asymmetric Cycloadditions and Rearrangements [作者：LANGLOIS YVES; KOUKLOVSKY CYRILLE,期刊：SYNLETT, 页码：3065-3081 , 文章类型： Article，,卷期：2009年-19] Camphor-derived alpha,beta-unsaturated oxazolines and oxazoline N-oxides are, respectively, Useful dienophiles and dipolarophiles in [2+4] and [2+3] diastereoselective cycloadditions. The scope and limitations of these t... Thieme Chemistry Journal Awardees - Where Are They Now? Macrocyclic Peptide Chemistry Inspired by Nature - From Chiral Artificial Receptors toward Molecular Devices [作者：PINTER ARON; HABERHAUER GEBHARD,期刊：SYNLETT, 页码：3082-3098 , 文章类型： Review，,卷期：2009年-19] This account Surveys Our efforts in the design, syntheses and fundamental applications of oxazole- and imidazole-containing macrocyclic pseudopeptide platforms related to Lissoclinum alkaloids. Thieme Chemistry Journal Awardees - Where are They Now? Synthesis of the Marine Glycolipid Dioctadecanoyl Discoside [作者：FLORENCE GORDON J; ASLAM TASHFEEN; MILLER GAVIN J; MILNE GAVIN D S; CONWAY STUART J,期刊：SYNLETT, 页码：3099-3102 , 文章类型： Article，,卷期：2009年-19] The first synthesis of the inositol-containing marine glycolipid dioctadecanoyl discoside is reported. The key glycosylation reaction proceeds with beta-selectivity at reduced temperature. The separable anomers could be ... Catalytic Amide-Directed Palladadesilylation-Alkenylation [作者：RAUF WAQAR; BROWN JOHN M,期刊：SYNLETT, 页码：3103-3106 , 文章类型： Article，,卷期：2009年-19] Palladium(II) complexes catalyse the amide-directed displacement of an aryl-Si group and its replacement by an electrophilic alkene at ambient temperature, analogous to an oxidative Heck reaction. A palladacyclic interme... Gold-Facilitated '6-Exo-dig' Intramolecular Cyclization of 2-[(2-Nitrophenyl)ethynyl]phenylacetic Acids: General Access to 5H-Benzo[b]carbazole-6,11-diones [作者：SALAS CRISTIAN O; REBOREDO FRANCISCO J; ESTEVEZ JUAN C; TAPIA RICARDO A; ESTEVEZ RAMON J,期刊：SYNLETT, 页码：3107-3110 , 文章类型： Article，,卷期：2009年-19] The preliminary results of a regiospecific synthesis of (Z)-1-(2-nitrobenzylidene)isochroman-3-ones by gold(I)-catalyzed cycloisomerization of phenylethynylacetic acids Under mild conditions is described. These novel lac... H2SO4-Silica Promoted Direct Formation of beta-Glycosides of N-Acetyl Glycosylamines under Microwave Conditions [作者：MANDAL SANTANU; SHARMA NAYAN; MUKHOPADHYAY BALARAM,期刊：SYNLETT, 页码：3111-3114 , 文章类型： Article，,卷期：2009年-19] N-Acetyl glycosamines are important building blocks for the synthesis of biologically active oligosaccharides. This communication describes a simple direct protocol for the synthesis of beta-glycosides of N-acetyl glycos... Concise Synthesis of (2S,3R)-3-Hydroxy-2-phenylpiperidine: An Advanced Key Intermediate of Human Non-Peptide NK-1 Receptor Antagonists [作者：HELAL BENOIT; FERREIRA FRANCK; BOTUHA CANDICE; CHEMLA FABRICE; PEREZLUNA ALEJANDRO,期刊：SYNLETT, 页码：3115-3118 , 文章类型： Article，,卷期：2009年-19] The rapid, high-yielding synthesis of (2S,3R)-3-hydroxy-2-phenylpiperidine, a known advanced key intermediate of some non-peptide human NK-1 receptor antagonists such as (+)-CP-99,994, (+)-CP-122,721 and (+)-LP-733,060, ... Synthesis and Ring Opening of Alkaloid-Type Compounds with a Novel Indolo[2,3-c][2]benzazepine Skeleton [作者：SOLOVJOVA JOANA; MARTYNAITIS VYTAS; MANGELINCKX SVEN; HOLZER WOLFGANG; DE KIMPE NORBERT; SACKUS ALGIRDAS,期刊：SYNLETT, 页码：3119-3122 , 文章类型： Article，,卷期：2009年-19] Alkylation of the magnesium salts of 2,3-disubstituted indoles with 2-bromomethylbenzonitrile gave 3-(2-cyanobenzyl)-3H-indole derivatives. Reduction of the cyano group of N-methyl 3-(2-cyanobenzyl)-3H-indolium salts aff... Organocatalytic Stereoselective Aziridination of Imines via Ammonium Ylides [作者：YADAV LAL DHAR S; KAPOOR RITU; GARIMA,期刊：SYNLETT, 页码：3123-3126 , 文章类型： Article，,卷期：2009年-19] Tertiary amine catalyzed reaction of imines with phenacyl bromide derivatives expeditiously affords functionalized aziridines in high yields and stereoselectivities in a one-pot process. Advantageously, the protocol prec... Palladium-Mediated Reductive Heck Cyclization for the Formation of Dibenzoazepinone Framework [作者：MAJUMDAR K C; CHAKRAVORTY SANTANU; GHOSH TAPAS; SRIDHAR B,期刊：SYNLETT, 页码：3127-3130 , 文章类型： Article，,卷期：2009年-19] The dibenzoazepinone framework has been synthesized through a palladium-mediated Sonogashira cross-coupling followed by a reductive Fleck cyclization. The reactions are simple. straightforward, and have been carried Out ... An Efficient Protocol for the Oxidative Hydrolysis of Ketone SAMP Hydrazones Employing SeO2 and H2O2 under Buffered (pH 7) Conditions [作者：SMITH AMOS B III; LIU ZHUQING; SIMOV VLADIMIR,期刊：SYNLETT, 页码：3131-3134 , 文章类型： Article，,卷期：2009年-19] An effective oxidative protocol for the liberation of ketones from SAMP hydrazones employing peroxyselenous acid under aqueous buffered conditions (pH 7) has been developed. The procedure proceeds without epimerization o... Catalytic Intermolecular Hydroamination of Vinyl Ethers [作者：PAHADI NIRMAL K; TUNGE JON A,期刊：SYNLETT, 页码：3135-3138 , 文章类型： Article，,卷期：2009年-19] This manuscript details the development of a palladium-catalyzed hydroamination of vinyl ethers. It is proposed that palladium catalyzes the hydroamination via Bronsted base catalysis, where palladium is protonated by th... Synthesis of O-Ethyl Thioformate: A Useful Reagent for the Thioformylation of Amines [作者：BORTHS CHRISTOPHER J; CHAN JOHANN; BURKE BRENDA J; LARSEN ROBERT D,期刊：SYNLETT, 页码：3139-3142 , 文章类型： Article，,卷期：2009年-19] O-Ethyl thioformate has been synthesized from triethylorthoformate and hydrogen Sulfide gas using a Bronstead acid catalyst. The product can be isolated as a near liquid in 83% overall yield. Both the crude and Purified ... Asymmetric Hydrogenation of Heteroaromatic Ketones and Cyclic and Acyclic Enones Mediated by Cu(I)-Chiral Diphosphine Catalysts [作者：SHIMIZU HIDEO; NAGANO TAKUTO; SAYO NOBORU; SAITO TAKAO; OHSHIMA TAKASHI; MASHIMA KAZUSHI,期刊：SYNLETT, 页码：3143-3146 , 文章类型： Article，,卷期：2009年-19] Copper(I)-catalyzed asymmetric hydrogenation of heteroaromatic ketones, cyclic and acyclic enones is reported. The choice of the chiral diphosphine ligand highly influenced enantioselectivity as well as chemoselectivity.... Palladium-Catalyzed Double Cross-Coupling Reaction of vic-Diborylalkenes and -arenes with vic-Bromo(bromomethyl)arenes [作者：SHIMIZU MASAKI; TOMIOKA YOSUKE; NAGAO IKUHIRO; HIYAMA TAMEJIRO,期刊：SYNLETT, 页码：3147-3150 , 文章类型： Article，,卷期：2009年-19] Efficient annulation of vic-diborylalkenes and -arenes with vic-bromo(bromomethyl)arenes has been achieved, Using Pd(PPh3)(4) as a catalyst in the presence of Cs2CO3 and water ill THF at 60 degrees C, giving rise to the ...