Chem. Commun.

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Disassembly of micelles in nanoscopic space to prepare concentric nanotubes with variable hydrophobic interiors

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5905-5908
DOI: 10.1039/C4CC00841C, CommunicationChayanika Das, Kothandam Krishnamoorthy
Nanotubes with variable hydrophobic interiors were prepared by disassembling anionic micelles in the inner walls of positive charge bearing conjugated polymer nanotubes. The conjugated polymer nanotubes without anionic micelle modification can be used for separation of molecules based on charge and size.
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Prediction of flexibility of metal-organic frameworks CAU-13 and NOTT-300 by first principles molecular simulations

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5867-5870
DOI: 10.1039/C4CC00734D, CommunicationAurelie U. Ortiz, Anne Boutin, Francois-Xavier Coudert
Based on first principles calculations, we predict and characterize the flexibility of two aluminium-based Metal-Organic Frameworks (MOFs), CAU-13 and NOTT-300. Both materials have a wine rack topology similar to that of MIL-53(Al), the archetypal breathing MOF, yet their flexibility has not been demonstrated so far.
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A unique surface-initiated property of nanoparticles and application for the synthesis of hybrid organic-inorganic nanoparticles

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5864-5866
DOI: 10.1039/C4CC01921K, CommunicationH. W. Wang, Y. F. Xing, Y. Li, D. D. Ni, X. F. Wei, H. H. Chen, H. H. Song, X. W. Qi, X. J. Wen
Fe3O4 nanoparticles initiate the polymerization of a vinyl monomer of acrylamide on the surface to form novel organic-inorganic hybrid nanomaterials.
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Ratiometric fluorescence sensing of sugars via a reversible disassembly and assembly of the peptide aggregates mediated by sugars

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5854-5857
DOI: 10.1039/C4CC01439A, CommunicationLok Nath Neupane, Song Yee Han, Keun-Hyeung Lee
An amphiphilic dipeptide (1) bearing pyrene and phenylboronic acid was demonstrated as a unique example of a ratiometric sensing system for sugars by reversibly converting the peptide aggregates into the monomer form of the complex with sugars in aqueous solutions.
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Probing secondary interactions in biomolecular recognition by dynamic combinatorial chemistry

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5810-5825
DOI: 10.1039/C4CC00263F, Feature ArticleSebastien Ulrich, Pascal Dumy
The implementation of dynamic combinatorial chemistry enables identification of multi-point binding ligands and receptors of biomolecules by a one-pot screening of secondary interactions.
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Novel hole transporting materials with a linear [small pi]-conjugated structure for highly efficient perovskite solar cells

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5829-5832
DOI: 10.1039/C4CC01637H, CommunicationJunjie Wang, Shirong Wang, Xianggao Li, Lifeng Zhu, Qingbo Meng, Yin Xiao, Dongmei Li
A novel linear [small pi]-conjugated small-molecule hole transporting material-based perovskite solar cell affords an encouraging efficiency of 9.1%.
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P-chiral phosphorus heterocycles: a straightforward synthesis

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5826-5828
DOI: 10.1039/C4CC00318G, CommunicationTobias Moller, Peter Wonneberger, Nadja Kretzschmar, Evamarie Hey-Hawkins
A straightforward synthesis of P-chiral polycyclic 7-phospha-norbornenes via an asymmetric Diels-Alder reaction is presented.
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Access to 6H-naphtho[2,3-c]chromenes by a palladium-catalyzed reaction of 2-haloaryl allene with 2-alkynylphenol

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5891-5894
DOI: 10.1039/C4CC00374H, CommunicationXiaolin Pan, Mo Chen, Liangqing Yao, Jie Wu
A palladium-catalyzed reaction of 2-bromoaryl allene with 2-alkynylphenol is described, leading to 6H-naphtho[2,3-c]chromenes in good to excellent yields. This transformation proceeds efficiently with excellent chemoselectivity and regioselectivity.
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One-pot hydrazide-based native chemical ligation for efficient chemical synthesis and structure determination of toxin Mambalgin-1

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5837-5839
DOI: 10.1039/C4CC00779D, CommunicationMan Pan, Yao He, Ming Wen, Fangming Wu, Demeng Sun, Sijian Li, Longhua Zhang, Yiming Li, Changlin Tian
An efficient one-pot chemical synthesis of snake venom toxin Mambalgin-1 was achieved using an azide-switch strategy combined with hydrazide-based native chemical ligation.
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Labile Alkoxyamines: Past, Present, and Future

6 May, 2014 - 20:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01364F, Feature ArticleSylvain R.A. Marque, Paul Bremond, Gerard Audran
Alkoxyamines - per-alkylated derivatives of hydroxylamine R1R2NO-R3 - can undergo C-ON bond homolysis to release a persistent nitroxyl radical R1R2NO[round bullet, filled] and a transient alkyl radical R3[round bullet, filled]. Although they were considered...
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Li+-induced selective gelation of discrete homochiral structural isomer derived from L-tartaric acid

6 May, 2014 - 20:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC02591A, CommunicationMrigendra Dubey, Ashish Kumar, Rakesh Kumar Gupta, Shankar Pandey
Two chiral structural isomers have been synthesized by molecular engineering on L-tartaric acid. In presence of LiOH, isomer 1 forms thermally stable, fluorescent gel which exhibits interesting nano-cluster morphology, anomalous...
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Effects of Heteroatom Substitution in Conjugated Heterocyclic Compounds on Photovoltaic Performance: From Sulfur to Tellurium

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

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

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

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

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

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

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

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

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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