Chem. Commun.

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Aerobic copper-catalyzed oxidative [6C+1C] annulation: an efficient route to seven-membered carbocycles

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8764-8767
DOI: 10.1039/C4CC03095H, CommunicationXiao Liu, Lingjuan Zhang, Xianxiu Xu, Shan Wang, Ling Pan, Qian Zhang, Qun Liu
A copper-catalyzed aerobic tandem Michael addition-intramolecular radical cyclization-benzyl C(sp3)-H bond oxidation reaction of dicinnamoyl ketene dithioacetals and ethyl cyanoacetate was developed for the diastereoselective synthesis of seven-membered carbocycles.
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Molecular brass: Cu4Zn4, a ligand protected superatom cluster

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8681-8684
DOI: 10.1039/C4CC03401E, CommunicationKerstin Freitag, Hung Banh, Christian Gemel, Rudiger W. Seidel, Samia Kahlal, Jean-Yves Saillard, Roland A. Fischer
The first examples of structurally characterized "molecular brass", [(CuCNtBu)4(ZnCp*)4] and [(CuCNtBu)4(ZnCp*)3ZnCp] exhibit the structural motif of a [Cu4Zn4] tetrahedral star, which is inversely found in the [gamma]-brass phase Cu5Zn8.
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Engineering chiral Fe(salen)-based metal-organic frameworks for asymmetric sulfide oxidation

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8775-8778
DOI: 10.1039/C4CC03308F, CommunicationZhiwei Yang, Chengfeng Zhu, Zijian Li, Yan Liu, Guohua Liu, Yong Cui
Two chiral porous Fe(salen)-based metal-organic frameworks are constructed and shown to be efficient heterogeneous catalysts for asymmetric sulfide oxidation.
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Interview with Martina Stenzel

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8626-8627
DOI: 10.1039/C4CC90201G, Profile
Martina Stenzel tells ChemComm about her move from pure to applied polymer chemistry and explains the importance of childlike enthusiasm in a research career.
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Enhanced photocatalytic water oxidation efficiency with Ni(OH)2 catalysts deposited on [small alpha]-Fe2O3via ALD

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8727-8730
DOI: 10.1039/C4CC02598A, CommunicationKelley M. H. Young, Thomas W. Hamann
Photoelectrochemical conditioning of ALD NiO produces a Ni(OH)2 water oxidation catalyst which dramatically improves the performance of iron oxide electrodes.
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Zwitterionic vesicles with AuCl4- counterions as soft templates for the synthesis of gold nanoplates and nanospheres

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8783-8786
DOI: 10.1039/C4CC03626C, CommunicationXinpei Gao, Fei Lu, Bin Dong, Tao Zhou, Wenfei Tian, Liqiang Zheng
Zwitterionic vesicles with AuCl4- counterions were fabricated for the first time as the soft templates for colloidal synthesis of gold nanostructures.
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Synthesis and structure of oxetane containing tripeptide motifs

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8797-8800
DOI: 10.1039/C4CC03507K, CommunicationNicola H. Powell, Guy J. Clarkson, Rebecca Notman, Piotr Raubo, Nathaniel G. Martin, Michael Shipman
A new class of peptidomimetic is made in which the central amide C[double bond, length as m-dash]O bond of a tripeptide is replaced by an oxetane ring. Structural insights are provided by X-ray diffraction and molecular dynamics simulations.
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Challenging conventional f-element separation chemistry - reversing uranyl(VI)/lanthanide(III) solvent extraction selectivity

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8670-8673
DOI: 10.1039/C4CC03031A, CommunicationC. A. Hawkins, C. G. Bustillos, R. Copping, B. L. Scott, I. May, M. Nilsson
A hydrophilic Schiff base complexes well with uranyl(VI), but not europium(III), demonstrating a new approach to their solvent extraction and separation.
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Kagome-like lattice of [small pi]-[small pi] stacked 3-hydroxyphenalenone on Cu(111)

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8659-8662
DOI: 10.1039/C4CC03523B, CommunicationS. Beniwal, S. Chen, D. A. Kunkel, J. Hooper, S. Simpson, E. Zurek, X. C. Zeng, A. Enders
Three-dimensional arrangement of 3-HPLN on a 2D surface, involving [small pi]-[small pi] stacking and perpendicular molecule attachment, results in a Kagome lattice.
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Lipase catalyzed inclusion of gastrodigenin for the evolution of blue light emitting peptide nanofibers

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8685-8688
DOI: 10.1039/C4CC02484B, CommunicationDnyaneshwar B. Rasale, Indrajit Maity, Apurba K. Das
Lipase catalysed regioselective inclusion of gastrodigenin (p-hydroxy benzyl alcohol) to a peptide Nmoc-Leu-Trp-OH at physiological pH 7.4 leads to the formation of blue light emitting peptide nanofibers.
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Photoenolization via excited state double proton transfer induces "turn on" fluorescence in diformyl diaryl dipyrromethane

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8667-8669
DOI: 10.1039/C4CC03668A, CommunicationK. C. Gowri Sreedevi, Ajesh P. Thomas, K. H. Aparna, Renuka Pradhan, M. L. P. Reddy, U. Lourderaj, A. Srinivasan
A light triggered enolization in diformyl diaryl dipyrromethane by excited state dual proton transfer (ESDPT) induces "turn on" fluorescence.
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Clipping of predetermined fragments from the human genome by S1 nuclease-PNA combinations

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8674-8676
DOI: 10.1039/C4CC01420K, CommunicationXia Li, Satoshi Muneoka, Narumi Shigi, Jun Sumaoka, Makoto Komiyama
By combining S1 nuclease with two strands of pseudo-complementary peptide nucleic acid (pcPNA), the whole human genome was selectively cut at targeted sites, and desired fragments were clipped from the genome.
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Inherent anchorages in UiO-66 nanoparticles for efficient capture of alendronate and its mediated release

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8779-8782
DOI: 10.1039/C4CC02570A, CommunicationXiangyang Zhu, Jinlou Gu, Yao Wang, Bing Li, Yongsheng Li, Wenru Zhao, Jianlin Shi
An unprecedented alendronate loading capacity was achieved in UiO-66 nanoparticles thanks to the inherent drug anchorages of Zr-O clusters therein.
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Asymmetric epoxidation of alkenes and benzylic hydroxylation with P450tol monooxygenase from Rhodococcus coprophilus TC-2

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8771-8774
DOI: 10.1039/C4CC03491K, CommunicationAitao Li, Shuke Wu, Joseph P. Adams, Radka Snajdrova, Zhi Li
P450tol monooxygenase was discovered as a unique and highly enantioselective enzyme for asymmetric epoxidation of some terminal alkenes and benzylic hydroxylation of several ethylbenzenes giving the corresponding useful and valuable products in high ee.
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Flexible and practical synthesis of 3-oxyindoles through gold-catalyzed intermolecular oxidation of o-ethynylanilines

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8689-8692
DOI: 10.1039/C4CC03565H, CommunicationChao Shu, Long Li, Xin-Yu Xiao, Yong-Fei Yu, Yi-Fan Ping, Jin-Mei Zhou, Long-Wu Ye
A novel gold-catalyzed intermolecular oxidation of o-ethynylanilines has been developed, which provides a reliable access to synthetically useful 3-oxyindoles. Importantly, this gold-catalyzed oxidative process outcompetes the typical indole formation.
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Self-assembly of gold nanoparticles on deep eutectic solvent (DES) surfaces

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8693-8696
DOI: 10.1039/C4CC02588A, CommunicationV. S. Raghuwanshi, M. Ochmann, F. Polzer, A. Hoell, K. Rademann
Self-assembly of gold nanoparticles in 1st and 2nd shell ordering is observed in a deep eutectic solvent (DES) by SAXS investigations.
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Highly conductive and dispersible graphene and its application in P3HT-based solar cells

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8705-8708
DOI: 10.1039/C4CC03692A, CommunicationTahmineh Mahmoudi, Won-Yeop Rho, Hwa-Young Yang, S. Ravi P. Silva, Yoon-Bong Hahn
Structure of an inverted solar cell with the P3HT-PCA-rGO hybrid in the active layer and graphene oxide as the hole transport layer.
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Conjugates of tetraphenylethene and diketopyrrolopyrrole: tuning the emission properties with phenyl bridges

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8747-8750
DOI: 10.1039/C4CC03024A, CommunicationXiao Yuan Shen, Yi Jia Wang, Haoke Zhang, Anjun Qin, Jing Zhi Sun, Ben Zhong Tang
Bridging DPP (ACQ-gen) and TPE (AIE-gen) with phenyls derived TPE-ph-DPP conjugates displaying enhanced and red-shifted emission in the solid state.
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Novel topotactically transformed carbon-CoO-NiO-NiCo2O4 nanosheet hybrid hetero-structured arrays as ultrahigh performance supercapacitors

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8697-8700
DOI: 10.1039/C4CC01965B, CommunicationHai Wang, Junling Guo, Chen Qing, Daming Sun, Bixiao Wang, Yiwen Tang
A novel carbon-CoO-NiO-NiCo2O4 integrated electrode was designed and synthesized from NiCo2O4 in a topotactical transformation. Such unique nanoarchitectures exhibit excellent electrochemical performance with ultrahigh capacitance.
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A colorimetric and near-infrared fluorescent probe with high sensitivity and selectivity for acid phosphatase and inhibitor screening

12 July, 2014 - 12:54

Chem. Commun., 2014, 50,8677-8680
DOI: 10.1039/C3CC49254K, CommunicationYongqian Xu, Benhao Li, Liangliang Xiao, Jia Ouyang, Shiguo Sun, Yi Pang
A dual-channel including a colorimetric and fluorescent probe based on the aggregation-caused quenching (ACQ) and enzymolysis approach has been presented to screen acid phosphatase (ACP) and its inhibitor.
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