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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50条记录   The (4+3)-cycloaddition reaction: simple allylic cations as dienophiles [作者：HARMATA MICHAEL,期刊：Chemical Communications, 页码：8886-8903 , 文章类型： Article，,卷期：2010年46-47] The (4 + 3)-cycloaddition of allylic cations to dienes is a powerful method for the direct synthesis of seven-membered rings. Recent developments in this area have included new methods for the generation of allylic catio... The (4+3)-cycloaddition reaction: heteroatom-substituted allylic cations as dienophiles [作者：HARMATA MICHAEL,期刊：Chemical Communications, 页码：8904-8922 , 文章类型： Article，,卷期：2010年46-47] The (4 + 3)-cycloaddition of allylic cations to dienes is a powerful method for the direct synthesis of seven-membered rings. Recent developments in this area have included new methods for the generation of allylic catio... Where on Earth has our water come from? [作者：DE LEEUW NORA H; CATLOW C RICHARD A; KING HELEN E; PUTNIS ANDREW; MURALIDHARAN KRISHNA; DEYMIER PIERRE; STIMPFL MARILENA; DRAKE MICHAEL J,期刊：Chemical Communications, 页码：8923-8925 , 文章类型： Article，,卷期：2010年46-47] The presence of water in the Earth has long been an enigma. However, computer modelling techniques have shown that the adsorption of water onto the fractal surfaces of interplanetary dust particles, which are present in ... Assembly of the Au-diphosphine helical cage molecules via alkynyl-mu(4)-methylydine ligand transformation [作者：KOSHEVOY IGOR O; HAUKKA MATTI; SELIVANOV STANISLAV I; TUNIK SERGEY P; PAKKANEN TAPANI A,期刊：Chemical Communications, 页码：8926-8928 , 文章类型： Article，,卷期：2010年46-47] The assembly of the gold(I)-diphosphine cages occurs via unprecedented transformation of the alkynyls into the mu(4)-methylydine ligands under basic conditions. These compounds demonstrate the equilibrium between the P <... Dual fluorescent labelling of cellulose nanocrystals for pH sensing [作者：NIELSEN LISE JUNKER; EYLEY SAMUEL; THIELEMANS WIM; AYLOTT JONATHAN W,期刊：Chemical Communications, 页码：8929-8931 , 文章类型： Article，,卷期：2010年46-47] Cellulose nanocrystals were converted into ratiometric pH-sensing nanoparticles by dual fluorescent labelling employing a facile one-pot procedure. A simple and versatile three-step procedure was also demonstrated extend... Photocatalytic hydrogen evolution through fully conjugated poly(azomethine) networks [作者：SCHWAB MATTHIAS GEORG; HAMBURGER MANUEL; FENG XINLIANG; SHU JIE; SPIESS HANS WOLFGANG; WANG XINCHEN; ANTONIETTI MARKUS; MUELLEN KLAUS,期刊：Chemical Communications, 页码：8932-8934 , 文章类型： Article，,卷期：2010年46-47] Three-dimensional conjugated poly(azomethine) networks were found to be promising candidates for applications in photocatalytic water splitting. Straightforward synthetic protocols lead to fully organic photocatalysts th... Photochemical cleavage of leader peptides [作者：BINDMAN NOAH; MERKX REMCO; KOEHLER ROBERT; HERRMAN NICHOLAS; VAN DER DONK WILFRED A,期刊：Chemical Communications, 页码：8935-8937 , 文章类型： Article，,卷期：2010年46-47] We report a photolabile linker compatible with Fmoc solid phase peptide synthesis and Cu(I)-catalyzed alkyne-azide cycloaddition that allows photochemical cleavage to afford a C-terminal peptide fragment with a native am... A modular approach towards functional decoration of peptide-polymer nanotapes [作者：VERCH ANDREAS; HAHN HARALD; KRAUSE EBERHARD; COELFEN HELMUT; BOERNER HANS G,期刊：Chemical Communications, 页码：8938-8940 , 文章类型： Article，,卷期：2010年46-47] Self-assembled peptide-polymer nanotapes of poly(ethylene oxide)-peptide conjugates are modified by a simple amine-azide transfer to create azide-containing nanofibres, which provide a platform for modular functionalizat... Ultrathin single crystal ZnS nanowires [作者：ZHANG YEJUN; XU HUARUI; WANG QIANGBIN,期刊：Chemical Communications, 页码：8941-8943 , 文章类型： Article，,卷期：2010年46-47] A facile synthesis of ultrathin single crystal ZnS nanowires with an average diameter of 4.4 nm in high yield (close to 100%) was firstly reported through the pyrolysis of a single-source precursor (zinc diethyldithiocar... Development of the first well-defined tungsten oxo alkyl derivatives supported on silica by SOMC: towards a model of WO3/SiO2 olefin metathesis catalyst [作者：MAZOYER ETIENNE; MERLE NICOLAS; DE MALLMANN AIMERY; BASSET JEANMARIE; BERRIER ELISE; DELEVOYE LAURENT; PAUL JEANFRANCOIS; NICHOLAS CHRISTOPHER P; GAUVIN REGIS M; TAOUFIK MOSTAFA,期刊：Chemical Communications, 页码：8944-8946 , 文章类型： Article，,卷期：2010年46-47] A well-defined, silica-supported tungsten oxo alkyl species prepared by the surface organometallic chemistry approach displays high and sustained activity in propene metathesis. Remarkably, its catalytic performances out... Ring-opening of cyclopropanes by "frustrated Lewis pairs" [作者：MORTON JASON G M; DUREEN MEGHAN A; STEPHAN DOUGLAS W,期刊：Chemical Communications, 页码：8947-8949 , 文章类型： Article，,卷期：2010年46-47] Reactions of phosphine/borane frustrated Lewis pairs with cyclopropanes result in the ring opening, yielding phosphonium borate products. Highly durable Pd metal catalysts for the oxygen reduction reaction in fuel cells; coverage of Pd metal with silica [作者：TAKENAKA SAKAE; SUSUKI NAOTO; MIYAMOTO HIROAKI; TANABE EISHI; MATSUNEA HIDEKI; KISHIDA MASAHIRO,期刊：Chemical Communications, 页码：8950-8952 , 文章类型： Article，,卷期：2010年46-47] Pd cathode catalysts for polymer electrolyte fuel cells have been covered with silica layers a few nanometres thick. The silica-coated Pd catalysts showed high activity and excellent durability for the oxygen reduction u... A near-infrared fluorescent sensor for detection of cyanide in aqueous solution and its application for bioimaging [作者：CHEN XIAOQIANG; NAM SEONGWON; KIM GUNHEE; SONG NARI; JEONG YONGSUK; SHIN INJAE; KIM SEOG K; KIM JINHEUNG; PARK SUNGSU; YOON JUYOUNG,期刊：Chemical Communications, 页码：8953-8955 , 文章类型： Article，,卷期：2010年46-47] A new NIR fluorescent sensor based on an amine-substituted heptamethine cyanine dye displayed a highly selective fluorescence enhancement with cyanide in aqueous solutions, and was applied for the imaging of anthropogeni... Synthesis, characterization, and computed tomography imaging of a tantalum oxide nanoparticle imaging agent [作者：BONITATIBUS PETER J JR; TORRES ANDREW S; GODDARD GREGORY D; FITZGERALD PAUL F; KULKARNI AMIT M,期刊：Chemical Communications, 页码：8956-8958 , 文章类型： Article，,卷期：2010年46-47] Water-soluble <= 6 nm tantalum oxide nanoparticles have been synthesized and characterized in solution using HPLC-ICP, DLS, and multinuclear NMR. Nanoparticle formulation permitted intravenous injection, in vivo imaging,... Controlled stoichiometric synthesis of DNA-quantum dot conjugates using Ni-mediated coordination chemistry [作者：KWON HAEJIN; HONG SUKMIN; KIM HEEYEON; CHOI YOUNGSEON; KIM JAESEUNG; SONG RITA,期刊：Chemical Communications, 页码：8959-8961 , 文章类型： Article，,卷期：2010年46-47] An oligonucleotide modified with Ni-nitrilotriacetate (NTA) was successfully synthesized and used for the stoichiometric functionalization of QDs. This synthetic approach allowed for the facile preparation of DNA-QD conj... A hetero-stranded double helix composed of m-diethynylbenzene-based complementary molecular strands stabilized by amidinium-carboxylate salt bridges [作者：WU ZONGQUAN; FURUSHO YOSHIO; YAMADA HIDEKAZU; YASHIMA EIJI,期刊：Chemical Communications, 页码：8962-8964 , 文章类型： Article，,卷期：2010年46-47] A hetero-stranded double helix with a controlled helix sense was designed and synthesized from an optically active dimeric amidine and its complementary achiral dicarboxylic acid strand with conjugated m-diethynylbenzene...