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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30条记录   Evaluation of electron population terms for WrSe-3V4p, WrS-3V3p, and WrO-3V2p: How do HOMO and LUMO shrink or expand depending on nuclear charges?. [作者：Nakanishi, Waro;Hayashi, Satoko;Narahara, Kenji;Yamaki, Daisuke;Hada, Masahiko;,期刊：Chemistry-A European Journal, 页码：7278-7284 , 文章类型： 研究论文，,卷期：2008年14-24] Electron population terms WrN-3V are evaluated for N = Se, S, and O. Calcns. are performed on HOMO and LUMO constructed by pure at. 4p(Se), 3p(S), and 2p(O) orbitals, employing the 6-311+G(3d) and/or levels. Se4+, Se2+,... Synthesis, characterization, and application of cationic water-soluble oligofluorenes in DNA-hybridization detection. [作者：Liu, Bin;Dishari, Shudipto Konika;,期刊：Chemistry-A European Journal, 页码：7366-7375 , 文章类型： 研究论文，,卷期：2008年14-24] series of cationic water-sol. oligofluorenes up to a chain length of a heptamer. Bromoalkyl-substituted fluorenyl boronic esters as the key intermediates were synthesized by using a modified Miyaura reaction. With an in... Coordination chemistry of conformation-flexible 1,2,3,4,5,6- cyclohexanehexacarboxylate: trapping various conformations in metal-organic frameworks. [作者：Wang, Jing;Lin, Zhuo-Jia;Ou, Yong-Cong;Shen, Yong;Herchel, Radovan;Tong, Ming-Liang;,期刊：Chemistry-A European Journal, 页码：7218-7235 , 文章类型： 研究论文，,卷期：2008年14-24] 77 To study the conformations (configurations) of 1,2,3,4,5,6-cyclohexanehexacarboxylic acid (H6L), eleven new coordination polymers were isolated from hydrothermal reactions of different metal salts with all cis 1e,2a,3... Na8[Cr4B12P8O44(OH)4][P2O7].nH2O: a 3D borophosphate framework with spherical cages. [作者：Yang, Tao;Sun, Junliang;Li, Guobao;Eriksson, Lars;Zou, Xiaodong;Liao, Fuhui;Lin, Jianhua;,期刊：Chemistry-A European Journal, 页码：7212-7217 , 文章类型： 研究论文，,卷期：2008年14-24] A Cr borophosphate-phosphate (Na8[Cr4B12P8O44(OH)4][P2O7].nH2O, 1), which has an unusual 3-dimensional framework structure, was synthesized under hydrothermal conditions. The framework consists of spherical cages compos... Ester hydrolysis by a cyclodextrin dimer catalyst with a metallophenanthroline linking group. [作者：Zhou, Ying-Hua;Zhao, Meng;Mao, Zong-Wan;Ji, Liang-Nian;,期刊：Chemistry-A European Journal, 页码：7193-7201 , 文章类型： 研究论文，,卷期：2008年14-24] A novel b-cyclodextrin dimer, 1,10-phenanthroline-2,9-dimethyl-bridged-bis(6-monoammonio-b-cyclo dextrin) (phenBisCD, L), was synthesized. Its Zn complex (ZnL) was prepd., characterized, and applied as a new catalyst fo... Helicate extension as a route to molecular wires. [作者：Schultz, David;Biaso, Frederic;Shahi, Abdul Rehaman Moughal;Geoffroy, Michel;Rissanen, Kari;Gagliardi, Laura;Cramer, Christopher J.;Nitschke, Jonathan R.;,期刊：Chemistry-A European Journal, 页码：7180-7185 , 文章类型： 研究论文，,卷期：2008年14-24] We describe the prepn. of a helicate contg. four closely spaced, linearly arrayed copper(I) ions. This product may be prepd. either directly by mixing copper(I) with a set of precursor amine and aldehyde helicate upon a... Metal-directed dynamic formation of tertiary structure in foldamer assemblies: orienting helices at an angle. [作者：Delsuc, Nicolas;Hutin, Marie;Campbell, Victoria E.;Kauffmann, Brice;Nitschke, Jonathan R.;Huc, Ivan;,期刊：Chemistry-A European Journal, 页码：7140-7143 , 文章类型： 研究论文，,卷期：2008年14-24] Metal-directed assembly dictates the perpendicular or parallel orientation of helically folded arom. oligoamide modules and mediates the communication of their relative handedness. The synthesis and crystal structure of... Time-evolving self-organization and autonomous structural adaptation of cobalt(II) - organic framework materials with scu and pts nets. [作者：Wu, Jing-Yun;Yang, Shang-Li;Luo, Tzuoo-Tsair;Liu, Yen-Hsiang;Cheng, Yi-Wei;Chen, Yen-Fu;Wen, Yuh-Sheng;Lin, Lee-Gin;Lu, Kuang-Lieh;,期刊：Chemistry-A European Journal, 页码：7136-7139 , 文章类型： 研究论文，,卷期：2008年14-24] The spontaneous, dynamic adjustment of equil. condition (KI/CoII ratio) is a key factor in switching the assembly direction of CoII and K4btec (btec = benzene-1,2,4,5-tetracarboxylate). {K2[Co3(btec)2(H2O)4]?H2O}n (1) wi... Partial substitution of hydroxyl by azide: an unprecedented 2D azido-copper-hydroxyl compound with a [Cu24] macrocycle in the presence of [Cu(H2O)6]2+. [作者：Zeng, Yong-Fei;Hu, Xin;Zhao, Jiong-Peng;Hu, Bo-Wen;Sanudo, E. Carolina;Liu, Fu-Chen;Bu, Xian-He;,期刊：Chemistry-A European Journal, 页码：7127-7130 , 文章类型： 研究论文，,卷期：2008年14-24] The synthesis of an unprecedented 2-dimensional inorg. azido-Cu-hydroxyl compd. [Cu(H2O)6][{Cu2(N3)4/3(OH)(pta)}6] (H2pta = phthalic acid) was accomplished by partially substituting hydroxyl by azide. In this compd., [C... Synthesis and relaxometric studies of a dendrimer-based pH-responsive MRI contrast agent. [作者：Ali, M. Meser;Woods, Mark;Caravan, Peter;Opina, Ana C. L.;Spiller, Marga;Fettinger, James C.;Sherry, A. Dean;,期刊：Chemistry-A European Journal, 页码：7250-7258 , 文章类型： 研究论文，,卷期：2008年14-24] The design of effective pH responsive MRI contrast agents is a key goal in the development of new diagnostic methods for conditions such as kidney disease and cancer. A key factor detg. the effectiveness of an agent is ... Recognition of ionic guests by ionic b-cyclodextrin derivatives. [作者：Wenz, Gerhard;Strassnig, Christian;Thiele, Carolin;Engelke, Annegret;Morgenstern, Bernd;Hegetschweiler, Kaspar;,期刊：Chemistry-A European Journal, 页码：7202-7211 , 文章类型： 研究论文，,卷期：2008年14-24] of tert-butylbenzene complexed in b-cyclodextrin and its ionic 6-mono and 6-hepta derivs. were systematically investigated by isothermal titrn. calorimetry (ITC). All inclusion compds. showed 1:1 stoichiometry with bind... Diversity-oriented synthesis of enantiomerically pure steroidal tetracycles employing Stille/Diels-Alder reaction sequences. [作者：Suennemann, Hans Wolf;Banwell, Martin G.;de Meijere, Armin;,期刊：Chemistry-A European Journal, 页码：7236-7249 , 文章类型： 研究论文，,卷期：2008年14-24] Various steroid analogs were synthesized by Stille coupling of bicyclo[4.3.0]nonenylstannanes cis-/trans-I and II with cyclohexenol triflates III (R2 = OCH2CH2O; R = H) and subsequent Diels-Alder reactions of the resulti... Ring-closing metathesis in the synthesis of BC ring-systems of taxol. [作者：Ma, Cong;Schiltz, Stephanie;Le Goff, Xavier F.;Prunet, Joelle;,期刊：Chemistry-A European Journal, 页码：7314-7323 , 文章类型： 研究论文，,卷期：2008年14-24] BC ring-systems of taxol with different or no protecting group for the C1,C2-diol moiety have been efficiently synthesized. The eight-membered B ring is formed by a ring-closing metathesis reaction (RCM) between the C10... 1,2-Disilacyclobut-2-enes: donor-free four-membered cyclic silenes from reaction of disilenides with vinylbromides. [作者：Bejan, Iulia;Inoue, Shigeyoshi;Ichinohe, Masaaki;Sekiguchi, Akira;Scheschkewitz, David;,期刊：Chemistry-A European Journal, 页码：7119-7122 , 文章类型： 研究论文，,卷期：2008年14-24] Cyclization of unstable intermediate vinyldisilene, generated by coupling of disilenyllithium R2Si:SiRLi (3a,b) and vinyl bromides BrCR1:CH2 gave 1,1,2-R3-3-R1-1,4-dihydro-1,2-disiletes (5a-e; a R = 2,4,6-iPr3C6H2, R1 = ... N-Bridged diiron phthalocyanine catalyzes oxidation of benzene with H2O2 via benzene oxide with NIH shift evidenced by using 1,3,5-[D3]benzene as a probe. [作者：Kudrik, Evgeny V.;Sorokin, Alexander B.;,期刊：Chemistry-A European Journal, 页码：7123-7126 , 文章类型： 研究论文，,卷期：2008年14-24] Kinetic isotope effect: Incorporation of 18O from H218O2 in phenol in the presence of H216O and 16O2 and detection of benzene oxide as well as NIH shift in the oxidn. of PhH indicates that m-nitrido diiron phthalocyanine... Dependence of enantioselectivity on the ligand/metal ratio in the asymmetric Michael addition of indole to benzylidene malonates: electronic influence of substrates. [作者：Schaetz, Alexander;Rasappan, Ramesh;Hager, Markus;Gissibl, Anja;Reiser, Oliver;,期刊：Chemistry-A European Journal, 页码：7259-7265 , 文章类型： 研究论文，,卷期：2008年14-24] Simple bis(oxazoline) ligands, esp. azabis(oxazolines), can promote the copper(II)-catalyzed Michael addn. of indoles to benzylidene malonates with up to >99% ee (ee = enantiomeric excess), provided that the ligand/metal...