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99条记录   Reducing the conformational flexibility of carbohydrates: locking the 6-hydroxyl group by cyclopropanes [作者：BRAND CHRISTIAN; GRANITZKA MARKUS; STALKE DIETMAR; WERZ DANIEL B,期刊：Chemical Communications, 页码：10782-10784 , 文章类型： Article，,卷期：2011年47-38] The 6-hydroxyl group of hexopyranosides was stereochemically locked by the spiroannelation of a cyclopropane unit at C-5. The corresponding glucose and mannose derivatives were prepared and their behaviour in glycosidati... CoFe(2)O(4) magnetic nanoparticles as a peroxidase mimic mediated chemiluminescence for hydrogen peroxide and glucose [作者：SHI WENBING; ZHANG XIAODAN; HE SHAOHUI; HUANG YUMING,期刊：Chemical Communications, 页码：10785-10787 , 文章类型： Article，,卷期：2011年47-38] This communication presents a new peroxidase mimic of CoFe(2)O(4) nanoparticles evaluated by the luminol-based chemiluminescent (CL) reaction. This offers a new method for evaluation and screening of the nanoparticles-ba... Facile synthesis of thermosensitive magnetic nanoparticles as "smart" draw solutes in forward osmosis [作者：LING MING MING; CHUNG TAISHUNG; LU XIANMAO,期刊：Chemical Communications, 页码：10788-10790 , 文章类型： Article，,卷期：2011年47-38] Thermosensitive superparamagnetic nanoparticles were synthesized by a one-step thermal decomposition method and successfully recycled as a 'smart' draw solute in forward osmosis processes for water reuse without losing p... Rhenium-catalyzed allylation of C-H bonds of benzoic and acrylic acids [作者：KUNINOBU YOICHIRO; OHTA KAZUHIRO; TAKAI KAZUHIKO,期刊：Chemical Communications, 页码：10791-10793 , 文章类型： Article，,卷期：2011年47-38] We have succeeded in the allylation of aromatic and olefinic C-H bonds of benzoic and acrylic acids using a rhenium catalyst,Re(2)(CO)(10). In this reaction, isomerization of the introduced allyl group to the 1-propenyl ... A molecular Mo(4)Bi(4) framework composed exclusively of unsupported metal-metal bonds [作者：KNISPEL CHRISTINA; LIMBERG CHRISTIAN; TSCHERSICH CAROLIN,期刊：Chemical Communications, 页码：10794-10796 , 文章类型： Article，,卷期：2011年47-38] Reaction of [Cp(2)MoH(2)] with bismuth allyloxide, [Bi{OCH(CH(3))CH=CH(2)}(3)], gave rise to an extended octanuclear complex wherein two cyclic Mo(2)Bi(2) units composed of four Mo-Bi bonds are linked by a Bi-Bi bond. Th... Enhancement of visible light photocatalysis by grafting ZnO nanoplatelets with exposed (0001) facets onto a hierarchical substrate [作者：HE SHAN; ZHANG SHITONG; LU JUN; ZHAO YUFEI; MA JING; WEI MIN; EVANS DAVID G; DUAN XUE,期刊：Chemical Communications, 页码：10797-10799 , 文章类型： Article，,卷期：2011年47-38] A ZnO nanocatalyst with a high percentage exposure of (0001) facets embedded on a hierarchical flower-like matrix has been prepared by an in situ topotactic transformation of a layered double hydroxide precursor, and exh... (13)C-NMR quantification of proton exchange at LewisX hydroxyl groups in water [作者：HANASHIMA SHINYA; KATO KOICHI; YAMAGUCHI YOSHIKI,期刊：Chemical Communications, 页码：10800-10802 , 文章类型： Article，,卷期：2011年47-38] NMR-based analysis of glycans by directly observing hydroxyl protons has been difficult because of their inherently fast exchange with water. We observed hydroxyl proton exchanges in a LewisX-LewisX interaction by using ... Ancillary nitrile substituents as convenient IR spectroscopic reporters for self-assembly of mercapto- and isocyanoazulenes on Au(111) [作者：NEAL BRAD M; VORUSHILOV ALEXANDER S; DELAROSA ANNA M; ROBINSON RANDALL E; BERRIE CINDY L; BARYBIN MIKHAIL V,期刊：Chemical Communications, 页码：10803-10805 , 文章类型： Article，,卷期：2011年47-38] Synthesis and self-assembly of structurally related mercapto- and isocyanoazulenes, including novel 2-mercapto-1,3-dicyanoazulene (4) and 2-isocyano-1,3-dicyanoazulene (5), are reported. Exposing 5 adsorbed on Au(111) to... Glycosphingolipid synthesis employing a combination of recombinant glycosyltransferases and an endoglycoceramidase glycosynthase [作者：RICH JAMIE R; CUNNINGHAM ANNAMARIA; GILBERT MICHEL; WITHERS STEPHEN G,期刊：Chemical Communications, 页码：10806-10808 , 文章类型： Article，,卷期：2011年47-38] Glycosynthase mutants of Rhodococcus sp. endo-glycoceramidase II efficiently synthesize complex glycosphingolipids. Glycosyl fluoride donors may be assembled via sequential glycosyltransferase-catalysed glycosylation of ... Synthesis of substituted [3]dendralenes and their unique cycloaddition reactions [作者：SINGH REKHA; GHOSH SUNIL K,期刊：Chemical Communications, 页码：10809-10811 , 文章类型： Article，,卷期：2011年47-38] Dimethylsulfonium methylide mediated olefination of 2-phenylethenylidene phosphonoacetate followed by the Horner-Wadsworth-Emmons reaction with aromatic aldehydes provided access to reactive 1,5-diaryl-2-ethoxycarbonyl [... Redox tunable reversible molecular sieves: orthorhombic molybdenum vanadium oxide [作者：SADAKANE MASAHIRO; OHMURA SHUNPEI; KODATO KATSUNORI; FUJISAWA TAKUMI; KATO KAZUO; SHIMIDZU KENICHI; MURAYAMA TORU; UEDA WATARU,期刊：Chemical Communications, 页码：10812-10814 , 文章类型： Article，,卷期：2011年47-38] We demonstrated that the sorption behavior of orthorhombic Mo-V oxide (Mo(29)V(11)O(112-x)) is continually and reversibly tunable by redox treatment. One-pot three-enzyme synthesis of UDP-GlcNAc derivatives [作者：CHEN YI; THON VIREAK; LI YANHONG; YU HAI; DING LI; LAU KAM; QU JINGYAO; HIE LIANA; CHEN XI,期刊：Chemical Communications, 页码：10815-10817 , 文章类型： Article，,卷期：2011年47-38] A Pasteurella multocida N-acetylglucosamine 1-phosphate uridylyltransferase (PmGlmU) was cloned and used efficiently with an N-acetylhexosamine 1-kinase (NahK_ATCC55813) and an inorganic pyrophosphatase (PmPpA) for one-p... New imidazopyridopyrimidine:naphthyridine base-pairing motif, ImN(N):NaO(O), consisting of a DAAD:ADDA hydrogen bonding pattern, markedly stabilize DNA duplexes [作者：KURAMOTO KAZUYUKI; TARASHIMA NORIKO; HIRAMA YASUYUKI; KIKUCHI YUSAKU; MINAKAWA NORIAKI; MATSUDA AKIRA,期刊：Chemical Communications, 页码：10818-10820 , 文章类型： Article，,卷期：2011年47-38] The new imidazopyridopyrimidine:naphthyridine base-pairing motifs, ImO(O):NaN(N) and ImN(N):NaO(O), were designed. Among the base pairs examined, DNA duplexes containing ImN(N):NaO(O) pair(s) consisting of a DAAD:ADDA hy... Synthesis of the ABH rings of ecteinascidin 597 using a connective Pummerer-type cyclisation [作者：SMITH LAURA H S; TRUNG THANH NGUYEN; SNEDDON HELEN F; PROCTER DAVID J,期刊：Chemical Communications, 页码：10821-10823 , 文章类型： Article，,卷期：2011年47-38] A connective Pummerer-type cyclisation involving a cysteine derivative and an N-benzyl glyoxamide 3 has been applied in an asymmetric synthesis of the protected ABH rings 2 of the antitumour and antimicrobial natural pro... Intrastrand locks increase duplex stability and base pairing selectivity [作者：PRESTINARI CORA; RICHERT CLEMENS,期刊：Chemical Communications, 页码：10824-10826 , 文章类型： Article，,卷期：2011年47-38] Oligodeoxynucleotide probes with disulfide locks between neighboring nucleobases show increases in melting point for duplexes with RNA target strands of up to 7.6 degrees C. The weakly pairing TT dimers are replaced with... Synthesis of tert-butyl peresters from aldehydes by Bu(4)NI-catalyzed metal-free oxidation and its combination with the Kharasch-Sosnovsky reaction [作者：WEI WEI; ZHANG CHAO; XU YUAN; WAN XIAOBING,期刊：Chemical Communications, 页码：10827-10829 , 文章类型： Article，,卷期：2011年47-38] A new tert-butyl peresters synthesis directly from aldehydes and TBHP was developed via Bu(4)NI-catalyzed aldehyde C-H oxidation. Mechanistic studies suggest that the protocol proceeds via a radical process. Combining th...