Chem. Commun.

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The solvent effect in an axially symmetric FeIII4 single-molecule magnet

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15090-15093
DOI: 10.1039/C4CC07580C, CommunicationYuan-Yuan Zhu, Ting-Ting Yin, Shang-Da Jiang, Anne-Laure Barra, Wolfgang Wernsdorfer, Petr Neugebauer, Raphael Marx, Maria Dorfel, Bing-Wu Wang, Zong-Quan Wu, Joris van Slageren, Song Gao
The axial symmetry of an FeIII4 SMM is broken by the interaction of the molecule with the disordered solvent molecules.
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Chiral porous organic frameworks for asymmetric heterogeneous catalysis and gas chromatographic separation

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,14949-14952
DOI: 10.1039/C4CC07648F, CommunicationJinqiao Dong, Yan Liu, Yong Cui
Three chiral diene-based porous organic frameworks (POFs) are prepared, and POF-1 is shown to be an efficient heterogeneous catalyst after metallation and also a new chiral stationary phase for GC separation.
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New six- and seven-membered ring pyrrole-pyridine hydrogen bond systems undergoing excited-state intramolecular proton transfer

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15026-15029
DOI: 10.1039/C4CC07109C, CommunicationZhiyun Zhang, Yen-Hao Hsu, Yi-An Chen, Chi-Lin Chen, Tzu-Chieh Lin, Jiun-Yi Shen, Pi-Tai Chou
The six- and seven-membered ring pyrrole-pyridine hydrogen bonding systems are developed, which undergo excited-state intramolecular proton transfer with distinct reaction dynamics.
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Ligand-assisted etching: the stability of silver nanoparticles and the generation of luminescent silver nanodots

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15098-15100
DOI: 10.1039/C4CC07729F, CommunicationSungmoon Choi, Soonyoung Park, Junhua Yu
The etching mechanism of silver nanoparticles was investigated.
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Ultrastable core-shell structured nanoparticles directly made from zwitterionic polymers

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15030-15033
DOI: 10.1039/C4CC06558A, CommunicationWei Wang, Yang Lu, Zhanguo Yue, Wenguang Liu, Zhiqiang Cao
A one-step method to create ultra-stable core-shell nanoparticles directly from zwitterionic polymers.
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A hybrid with uniaxial negative thermal expansion behaviour: the synergistic role of organic and inorganic components

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,14960-14963
DOI: 10.1039/C4CC06373B, CommunicationKai-Yao Wang, Mei-Ling Feng, Liu-Jiang Zhou, Jian-Rong Li, Xing-Hui Qi, Xiao-Ying Huang
Through the study on a new Mn2(api)Sb2S5 compound, we propose a strategy for designing a novel hybrid with uniaxial NTE behaviour based on the synergistic role of organic and inorganic components.
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Conducting polymer nanoparticles decorated with collagen mimetic peptides for collagen targeting

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15045-15048
DOI: 10.1039/C4CC06056C, CommunicationJose Luis Santos, Yang Li, Heidi R. Culver, Michael S. Yu, Margarita Herrera-Alonso
We report on the formation of conducting polymer nanoparticles (CPNs), stabilized by a collagen mimetic peptide (CMP)-polymer amphiphile.
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Highly efficient CO2 capture by carbonyl-containing ionic liquids through Lewis acid-base and cooperative C-HO hydrogen bonding interaction strengthened by the anion

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15041-15044
DOI: 10.1039/C4CC06944G, CommunicationFang Ding, Xi He, Xiaoyan Luo, Wenjun Lin, Kaihong Chen, Haoran Li, Congmin Wang
Carbonyl-containing anion-functionalized ionic liquids exhibit a significant enhancement in CO2 capacity and excellent reversibility.
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Selective ruthenium-catalyzed methylation of 2-arylethanols using methanol as C1 feedstock

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,14991-14994
DOI: 10.1039/C4CC06933A, CommunicationYang Li, Haoquan Li, Henrik Junge, Matthias Beller
The selective cross coupling of methanol and 2-arylethanols using a combination of Ru-MACHO (RuHCl(PNPPh)CO) and Shvo's diruthenium complex as catalysts is described.
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Sensitive detection of transcription factors using an Ag+-stabilized self-assembly triplex DNA molecular switch

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,14987-14990
DOI: 10.1039/C4CC06205A, CommunicationDesong Zhu, Jing Zhu, Ye Zhu, Lei Wang, Wei Jiang
A simple, enzyme-free and sensitive new fluorescent strategy for detection of transcription factors was proposed based on a bifunctional Ag+-stabilized self-assembly triplex DNA molecular switch.
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DNA cleavage by oxymyoglobin and cysteine-introduced metmyoglobin

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15034-15036
DOI: 10.1039/C4CC06617K, CommunicationMegha Subhash Deshpande, Sendy Junedi, Halan Prakash, Satoshi Nagao, Masaru Yamanaka, Shun Hirota
DNA was cleaved oxidatively by oxygenated myoglobin, whereas Lys96Cys metmyoglobin functioned as an artificial nuclease under air by formation of an oxygenated species.
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The synthesis of diarylsulfones with simple arenes and K2S2O8 through double C-S bond formation

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15037-15040
DOI: 10.1039/C4CC05964F, CommunicationYiqing Yang, Zhang Chen, Yu Rao
A novel and practical method has been developed to prepare both symmetric and unsymmetric diarylsulfones with simple arenes in a single step. K2S2O8 serves as a highly effective sulfonating agent in this reaction. Both TfOH and TFAA play critical roles in C-S bond formation. The reaction demonstrates excellent reactivity, good functional group tolerance and high yields.
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A monomeric photosensitizer for targeted cancer therapy

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,14983-14986
DOI: 10.1039/C4CC07628A, CommunicationRuizheng Liang, Lina Ma, Lele Zhang, Chunyang Li, Wendi Liu, Min Wei, Dan Yan, David G. Evans, Xue Duan
A targeted photosensitizer used in photodynamic therapy (PDT) was fabricated by incorporation of zinc phthalocyanine (ZnPc) and folic acid (FA) into polyvinylpyrrolidone (PVP) micelles, which exhibits excellent anticancer performance revealed by both in vitro studies and in vivo tests.
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Photoinduced water oxidation catalyzed by a double-helical dicobalt(II) sexipyridine complex

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,14956-14959
DOI: 10.1039/C4CC07607A, CommunicationMan Chen, Siu-Mui Ng, Shek-Man Yiu, Kai-Chung Lau, Raymond J. Zeng, Tai-Chu Lau
A dicobalt(II) sexipyridine complex functions as a molecular catalyst for visible light-induced water oxidation at pH 8-8.5 in the presence of Ru(bpy)32+ and S2O82-.
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A novel chimeric amine dehydrogenase shows altered substrate specificity compared to its parent enzymes

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,14953-14955
DOI: 10.1039/C4CC06527A, CommunicationBettina R. Bommarius, Martin Schurmann, Andreas S. Bommarius
We created a novel chimeric amine dehydrogenase (AmDH) via domain shuffling of two parent AmDHs ('L- and F-AmDH'), which in turn had been generated from leucine and phenylalanine DH, respectively.
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Radical cascade cyanomethylation of activated alkenes to construct cyano substituted oxindoles

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15049-15051
DOI: 10.1039/C4CC07667B, CommunicationJuan Li, Zhigang Wang, Ningjie Wu, Ge Gao, Jingsong You
A concise and practical cyanomethylation as well as nitromethylation of activated alkenes through a radical pathway has been established for the construction of substituted oxindoles.
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Metal-free aminoamidiniumation employing N-iodosuccinimide: facile syntheses of bicyclic imidazolidiniums and cyclic vicinal diamines

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15052-15054
DOI: 10.1039/C4CC07082H, CommunicationJun Zhang, Gengtao Zhang, Weijie Wu, Xuejun Zhang, Min Shi
NIS-mediated aminoamidiniumation has been developed for the syntheses of bicyclic imidazolidinium salts, which could be readily converted into 2-substituted pyrrolidine and indoline diamines.
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Micropatterning of hydrophilic polyacrylamide brushes to resist cell adhesion but promote protein retention

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,14975-14978
DOI: 10.1039/C4CC03994G, CommunicationJianwen Hou, Qiang Shi, Wei Ye, Paola Stagnaro, Jinghua Yin
Novel micropatterned polyacrylamide brushes are fabricated to resist cell adhesion but promote protein retention.
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The copper(II)-phytate-terpyridine ternary system: the first crystal structures showing the interaction of phytate with bivalent metal and ammonium cations

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,14971-14974
DOI: 10.1039/C4CC07226J, CommunicationNicolas Veiga, Julia Torres, Carla Bazzicalupi, Antonio Bianchi, Carlos Kremer
This work reports the solution and crystallographic study of the Cu(II)-phytate-terpyridine systems, showing for the first time the phytate binding mode toward a bivalent cation and protonated polyamine groups.
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Organic mixed valency in quadruple hydrogen-bonded triarylamine dimers bearing ureido pyrimidinedione moieties

4 November, 2014 - 17:17

Chem. Commun., 2014, 50,15071-15074
DOI: 10.1039/C4CC06779G, CommunicationKeishiro Tahara, Tetsufumi Nakakita, Shohei Katao, Jun-ichi Kikuchi
This study represents the first example of proton-coupled "organic" mixed valency in solution with different substituents being used to control the stability.
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