Royal Society of Chemistry

Formation of cyanates in low-valent uranium chemistry: a synergistic experimental/theoretical study

Dalton Transactions - 6 May, 2014 - 01:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00618F, PaperChristos E. Kefalidis, Alistair S. P. Frey, S. Mark Roe, F. Geoffrey N. Cloke, Laurent Maron
Cyanate formation appears to occur at a monometallic species but is also shown to induce possible formation of a mix-valence complex.
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Bi- and tri-metallic Rh and Ir complexes containing click derived bis- and tris-(pyrazolyl-1,2,3-triazolyl) N-N[prime or minute] donor ligands and their application as catalysts for the dihydroalkoxylation of alkynes

Dalton Transactions - 6 May, 2014 - 01:54

Dalton Trans., 2014, 43,7540-7553
DOI: 10.1039/C3DT53295J, PaperKhuong Q. Vuong, Chin M. Wong, Mohan Bhadbhade, Barbara A. Messerle
Bi- and trimetallic Rh and Ir complexes were successfully synthesised from multitopic 'click derived' ligands and shown to catalysed the hydroalkoxylation of alkynes.
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Studies on the stereochemical assignment of 3-acylidene 2-oxindoles

Org. and Biomol. Chem. - 5 May, 2014 - 15:54

Org. Biomol. Chem., 2014, 12,3201-3210
DOI: 10.1039/C4OB00496E, PaperSteven J. Edeson, Julong Jiang, Stephen Swanson, Panayiotis A. Procopiou, Harry Adams, Anthony J. H. M. Meijer, Joseph P. A. Harrity
UV-Vis spectroscopy offers a convenient and reliable method for alkene stereochemical assignment of 3-acylidene 2-oxindoles.
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Cyclisation reactions of N-cinnamoyl-9-aminoanthracenes

Org. and Biomol. Chem. - 5 May, 2014 - 15:54

Org. Biomol. Chem., 2014, 12,3211-3221
DOI: 10.1039/C4OB00411F, PaperFrank D. King, Abil Aliev, Stephen Caddick, Derek Tocher
N-Cinnamoyl-9-aminoanthracenes cyclise with PPA or triflic acid to form novel 2-azahexacyclo[10.6.6.01,5.06,11.013,18.019,24]tetracosa-6(11),7,9,13,15,17,19(24),20,22-nonaen-3-ones.
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The nature of persistent conformational chirality, racemization mechanisms, and predictions in diarylether heptanoid cyclophane natural products

Org. and Biomol. Chem. - 5 May, 2014 - 15:54

Org. Biomol. Chem., 2014, 12,3303-3309
DOI: 10.1039/C3OB42550A, PaperOmmidala Pattawong, M. Quamar Salih, Nicholas T. Rosson, Christopher M. Beaudry, Paul Ha-Yeon Cheong
Restricted rotations of chemical bonds can lead to the presence of persistent conformational chirality in molecules lacking stereocenters.
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Synthetic routes to the Neuropeptide Y Y1 receptor antagonist 1229U91 and related analogues for SAR studies and cell-based imaging

Org. and Biomol. Chem. - 5 May, 2014 - 15:54

Org. Biomol. Chem., 2014, 12,3271-3281
DOI: 10.1039/C4OB00176A, PaperSimon J. Mountford, Mengjie Liu, Lei Zhang, Marleen Groenen, Herbert Herzog, Nicholas D. Holliday, Philip E. Thompson
The potent Y1 receptor antagonist, 1229U91 has an unusual cyclic dimer structure. We have developed three new routes to the synthesis of analogues. Such variants, including fluorescent conjugates, show potent Y1 antagonism.
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Cholesterol and metal ions in Alzheimer's disease

Chem. Soc. Rev. - 5 May, 2014 - 15:54

Chem. Soc. Rev., 2014, Advance Article
DOI: 10.1039/C4CS00005F, Tutorial ReviewHyuck Jin Lee, Kyle J. Korshavn, Akiko Kochi, Jeffrey S. Derrick, Mi Hee Lim
This review describes the possible involvement of cholesterol and metal ions in AD neuropathogenesis in both individual and interconnected manners.
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Soft templates in encapsulation complexes

Chem. Soc. Rev. - 5 May, 2014 - 15:54

Chem. Soc. Rev., 2015, Advance Article
DOI: 10.1039/C4CS00065J, Review ArticleDariush Ajami, Lijuan Liu, Julius Rebek Jr.
The ethanolamide of arachidonic acid (anandamide) nucleates the assembly of a capsule incorporating 8 spacer units.
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Effects of Heteroatom Substitution in Conjugated Heterocyclic Compounds on Photovoltaic Performance: From Sulfur to Tellurium

Chem. Commun. - 4 May, 2014 - 20:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01862A, CommunicationYoung Suk Park, Tejaswini Kale, Chang-Yong Nam, Deokkyu Choi, Robert Bernard Grubbs
We report a general strategy for fine-tuning the bandgap of donor-acceptor-donor based organic molecule by modulating the electron-donating ability of the donor moiety by changing the benzochalcogenophene donor groups from...
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A triple-channel lab-on-a-molecule for triple-anion quantification using an iridium(III)-imidazolium conjugate

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5756-5759
DOI: 10.1039/C4CC01421A, CommunicationKun Chen, Michael Schmittel
A lab-on-a-molecule, based on the iridium(III)-imidazolium conjugate 1, allows competitive quantification of three distinct anions in a mixture using three interrogation channels: F- is detected and quantified via UV-Vis, H2PO4- using photoluminescence and AcO- using electrochemiluminescence.
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Facile method to attach transition metal ions to the surface of anatase TiO2 nanorods

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5721-5724
DOI: 10.1039/C3CC48945K, CommunicationChoumini Balasanthiran, James D. Hoefelmeyer
We report a robust, low-cost method to attach transition metal ions directly to the surface of anatase TiO2 rod-shaped nanocrystals with preservation of the host nanocrystal morphology and phase.
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Synthesis and in vitro assessment of a bifunctional closomer probe for fluorine (19F) magnetic resonance and optical bimodal cellular imaging

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5793-5795
DOI: 10.1039/C4CC02126F, CommunicationLalit N. Goswami, Aslam A. Khan, Satish S. Jalisatgi, M. Frederick Hawthorne
The design, synthesis and in vitro assessment of a closo-borane based bifunctional imaging probe for dual fluorine (19F) magnetic resonance spectroscopy (19F-MRS) and fluorescence detection is reported.
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Total synthesis of (+)-kopsihainanine A

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5782-5785
DOI: 10.1039/C4CC01843E, CommunicationMasaya Mizutani, Shigeo Yasuda, Chisato Mukai
The asymmetric total synthesis of (+)-kopsihainanine A was accomplished by taking advantage of (i) Stoltz's asymmetric allylation, (ii) Bischler-Napieralski reaction, and (iii) biogenetic transformation.
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Room-temperature Cu(II)-catalyzed aromatic C-H azidation for the synthesis of ortho-azido anilines with excellent regioselectivity

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5733-5736
DOI: 10.1039/C4CC01481B, CommunicationYunpeng Fan, Wen Wan, Guobin Ma, Wei Gao, Haizhen Jiang, Shizheng Zhu, Jian Hao
An efficient synthesis of ortho-aniline derivatives through aromatic C-H azidation catalyzed by Cu(OAc)2 have been disclosed. The amino group plays an ortho-directing effect in the azidation reactions, regiospecifically affording the mono-azidated derivative as the sole products.
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Sequential one-pot enzymatic synthesis of oligo-N-acetyllactosamine and its multi-sialylated extensions

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5786-5789
DOI: 10.1039/C4CC01227E, CommunicationWei-Ting Chien, Chien-Fu Liang, Ching-Ching Yu, Chien-Hung Lin, Si-Peng Li, Indah Primadona, Yu-Ju Chen, Kwok Kong T. Mong, Chun-Cheng Lin
A simple and efficient protocol for the preparative-scale synthesis of various lengths of oligo-N-acetyllactosamine (oligo-LacNAc) and its multi-sialylated extensions.
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Novel syntheses of aryl quinoxaline C-nucleoside analogs by mild and efficient three-component sequential reactions

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5771-5773
DOI: 10.1039/C4CC01448K, CommunicationFuyi Zhang, Yuan Xi, Yanhui Lu, Liming Wang, Linwei Liu, Jinliang Li, Yufen Zhao
Novel syntheses of aryl quinoxaline C-nucleoside analogs have been accomplished by mild and efficient three-component sequential reactions in high yields with a wide scope of substrates.
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The template effect of solvents on high yield synthesis, co-cyclization of pillar[6]arenes and interconversion between pillar[5]- and pillar[6]arenes

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5774-5777
DOI: 10.1039/C4CC01968G, CommunicationTomoki Ogoshi, Naosuke Ueshima, Tomohiro Akutsu, Daiki Yamafuji, Takuya Furuta, Fumiyasu Sakakibara, Tada-aki Yamagishi
We have successfully synthesized a pillar[6]arene in high yield and a co-pillar[6]arene by a thermodynamically controlled cyclization process.
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Nitric oxide release triggered by two-photon excited photoluminescence of engineered nanomaterials

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5725-5728
DOI: 10.1039/C4CC01126K, CommunicationLianjiang Tan, Ajun Wan, Xiaomin Zhu, Huili Li
Mn2+-ZnS@CS-RBS nanospheres were designed and synthesized by a facile method for NO delivery triggered by NIR-II light.
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The synthesis route and the growth mechanism of aligned GaN nanobelts

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5695-5698
DOI: 10.1039/C4CC01303D, CommunicationChenlong Chen, Mitch M. C. Chou, Tao Yan, Huichun Huang, Cheng-Ying James Lu, Chienhui Chen
Aligned GaN nanobelt arrays were synthesized by a hybrid Au-assisted nucleation and non-Au-assisted anisotropic vapor-solid growth process on a (100) [gamma]-LiAlO2 substrate.
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Facile synthesis of asymmetric Ag-organosilica hybrid nanoparticles with tunable morphologies and optical properties

Chem. Commun. - 4 May, 2014 - 20:17

Chem. Commun., 2014, 50,5767-5770
DOI: 10.1039/C4CC02137A, CommunicationYangyi Sun, Min Chen, Zengbo Wang, Limin Wu
This study reports a simple and novel method for synthesizing asymmetric Ag-organosilica hybrid nanoparticles with finely-tuned morphologies and optical properties.
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