Royal Society of Chemistry

Dual-functionalized mesoporous TiO2 hollow nanospheres for improved CO2 separation membranes

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

Chem. Commun., 2014, 50,5717-5720
DOI: 10.1039/C4CC00513A, CommunicationDong Kyu Roh, Sang Jin Kim, Won Seok Chi, Jin Kyu Kim, Jong Hak Kim
Simultaneous improvement in CO2 permeability and CO2/N2 selectivity was obtained from mixed matrix membranes consisting of graft copolymer and dual-functionalized mesoporous TiO2 hollow nanospheres (f-MTHSs).
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Triphenylphosphine-catalysed amide bond formation between carboxylic acids and amines

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

Chem. Commun., 2014, 50,5763-5766
DOI: 10.1039/C4CC01861C, CommunicationDanny C. Lenstra, Floris P. J. T. Rutjes, Jasmin Mecinovic
Unactivated carboxylic acids and amines undergo organocatalytic Ph3P/CCl4-mediated amide bond formation by employing in situ reduction of triphenylphosphine oxide to triphenylphosphine in the presence of diethoxymethylsilane and bis(4-nitrophenyl)phosphate.
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Synthesis and characterization of a mercury-containing trimetalloboride

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

Chem. Commun., 2014, 50,5729-5732
DOI: 10.1039/C4CC01246A, CommunicationRudiger Bertermann, Holger Braunschweig, William C. Ewing, Thomas Kramer, Ashwini K. Phukan, Alfredo Vargas, Christine Werner
This work presents a novel mercury metalloboride where bonding is described as a combination of [sigma]-donation and [small pi]-back-donation.
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Novel tartrate-derived guanidine-catalyzed highly enantio- and diastereoselective Michael addition of 3-substituted oxindoles to nitroolefins

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

Chem. Commun., 2014, 50,5760-5762
DOI: 10.1039/C4CC01817F, CommunicationLiwei Zou, Xiaoze Bao, Yuanyuan Ma, Yuming Song, Jingping Qu, Baomin Wang
A highly asymmetric conjugate addition of 3-substituted oxindoles to nitroolefins was effected by a novel tartrate-derived guanidine with an extraordinarily broad substrate scope.
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Ionic liquid functionalized Janus nanosheets

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

Chem. Commun., 2014, 50,5706-5709
DOI: 10.1039/C4CC00649F, CommunicationXuyang Ji, Qian Zhang, Fuxin Liang, Qinan Chen, Xiaozhong Qu, Chengliang Zhang, Qian Wang, Jiaoli Li, Ximing Song, Zhenzhong Yang
Ionic liquid functionalized Janus nanosheets are synthesized by selective treatment of the imidazolin terminated side of Janus nanosheets while the other side is preserved.
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Molecularly imprinted nanoparticles as tailor-made sensors for small fluorescent molecules

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

Chem. Commun., 2014, 50,5752-5755
DOI: 10.1039/C4CC01516A, CommunicationJoseph K. Awino, Yan Zhao
Molecular imprinting within fluorescently labeled cross-linked micelles yielded highly specific, FRET-based sensors for water-soluble naphthyl derivatives.
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Detection of A[small beta] plaques in mouse brain by using a disaggregation-induced fluorescence-enhancing probe

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

Chem. Commun., 2014, 50,5741-5744
DOI: 10.1039/C4CC02011A, CommunicationYeon Ok Lee, Jung-Won Shin, Chunsik Yi, Yun Hak Lee, Nak-Won Sohn, Chulhun Kang, Jong Seung Kim
We herein report a fluorescence probe 1 capable of detecting water-soluble oligomeric A[small beta] aggregates and A[small beta] fibrils. Upon injection into A[small beta]42-challenged mouse brains, probe 1 shows increased fluorescence intensity, indicating its facile binding to extracellular A[small beta] fibrils in brain tissues.
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Biotin-conjugated N-methylisatoic anhydride: a chemical tool for nucleic acid separation by selective 2[prime or minute]-hydroxyl acylation of RNA

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

Chem. Commun., 2014, 50,5748-5751
DOI: 10.1039/C4CC01134A, CommunicationS. Ursuegui, N. Chivot, S. Moutin, A. Burr, C. Fossey, T. Cailly, A. Laayoun, F. Fabis, A. Laurent
An isatoic anhydride derivative, bearing a biotin and a disulfide linker, was specifically designed for separation of nucleic acids by a selective 2[prime or minute]-hydroxyl acylation of RNA.
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A silver(I) coordinated phenanthroline-based polymer with high ethylene/ethane adsorption selectivity

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

Chem. Commun., 2014, 50,5745-5747
DOI: 10.1039/C4CC02143F, CommunicationChao Yu, Matthew G. Cowan, Richard D. Noble, Wei Zhang
A non-porous silver(I) coordinated phenanthroline-based polymer was constructed through Sonogashira coupling, which shows a highly ideal ethylene/ethane adsorption selectivity (15/1) and high ethylene uptake (5.0 mmol g-1) at ambient temperature and pressure.
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Supramolecular self-assembly of brominated molecules on a silicon surface

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

Chem. Commun., 2014, 50,5714-5716
DOI: 10.1039/C4CC01158A, CommunicationY. Makoudi, M. Beyer, J. Jeannoutot, F. Picaud, F. Palmino, F. Cherioux
Hydrogen and halogen bonds have been associated for the growth of 2D compact supramolecular networks on a silicon surface.
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The use of a rigid tritopic phosphonic ligand for the synthesis of a robust honeycomb-like layered zirconium phosphonate framework

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

Chem. Commun., 2014, 50,5737-5740
DOI: 10.1039/C4CC01253D, CommunicationMarco Taddei, Ferdinando Costantino, Riccardo Vivani, Stefano Sabatini, Sang-Ho Lim, Seth M. Cohen
1,3,5-Tris(4-phosphonophenyl)benzene was synthesized via a microwave heating assisted route and was subsequently used for the preparation of a new zirconium phosphonate with honeycomb-like structure displaying remarkable thermal stability and hydrolysis resistance.
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Convenient purification of gold clusters by co-precipitation for improved sensing of hydrogen peroxide, mercury ions and pesticides

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

Chem. Commun., 2014, 50,5703-5705
DOI: 10.1039/C4CC02008A, CommunicationGuijian Guan, Shuang-Yuan Zhang, Yongqing Cai, Shuhua Liu, M. S. Bharathi, Michelle Low, Yong Yu, Jianping Xie, Yuangang Zheng, Yong-Wei Zhang, Ming-Yong Han
A co-precipitation strategy is developed to purify the protein-protected gold clusters for the improved sensitive detection and selective visualization.
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Phosphine-catalyzed sequential annulation domino reaction: rapid construction of bicyclo[4.1.0]heptene skeletons

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

Chem. Commun., 2014, 50,5710-5713
DOI: 10.1039/C4CC01097C, CommunicationJie Zheng, You Huang, Zhengming Li
(4-FC6H4)3P-catalyzed sequential annulation of dienic sulfones with MBH carbonates, the more reaction sites that were used, the more new bonds and rings were formed.
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A highly sensitive and reductant-resistant fluorescent probe for nitroxyl in aqueous solution and serum

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

Chem. Commun., 2014, 50,5790-5792
DOI: 10.1039/C4CC01440E, CommunicationGuo-Jiang Mao, Xiao-Bing Zhang, Xue-Lin Shi, Hong-Wen Liu, Yong-Xiang Wu, Li-Yi Zhou, Weihong Tan, Ru-Qin Yu
A novel coumarin-based fluorescent probe, P-CM, for quantitative detection of nitroxyl (HNO) was developed. P-CM exhibits a selective response to HNO over other biological reductants and was also applied for quantitative detection of HNO in bovine serum with satisfactory results.
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Nanopapers for organic solvent nanofiltration

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

Chem. Commun., 2014, 50,5778-5781
DOI: 10.1039/C4CC00467A, CommunicationA. Mautner, K.-Y. Lee, P. Lahtinen, M. Hakalahti, T. Tammelin, K. Li, A. Bismarck
The production of nanopapers from nanocellulose suspensions by a papermaking-process and their utilization as organic solvent nanofiltration membranes is demonstrated.
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Exploiting lanthanide luminescence in supramolecular assemblies

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

Chem. Commun., 2014, 50,5678-5687
DOI: 10.1039/C4CC01138D, Feature ArticleJoshua Lehr, Paul D. Beer, Stephen Faulkner, Jason J. Davis
We review herein significant and recent work focused on the incorporation of luminescent lanthanides into switchable, supramolecular and surface bound assemblies.
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Pentacyclic coumarin-based blue emitters - the case of bifunctional nucleophilic behavior of amidines

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

Chem. Commun., 2014, 50,5688-5690
DOI: 10.1039/C4CC01106F, CommunicationYevgen M. Poronik, Daniel T. Gryko
Esters of coumarin-3-carboxylic acids undergo addition to DBU and DBN leading to the formation of a 6-membered ring.
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Propargylic cation-induced intermolecular electrophilic addition-semipinacol rearrangement

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

Chem. Commun., 2014, 50,5691-5694
DOI: 10.1039/C3CC49650C, CommunicationHui Shao, Xiao-Ming Zhang, Shao-Hua Wang, Fu-Min Zhang, Yong-Qiang Tu, Chao Yang
A novel propargylic electrophile-induced tandem intermolecular addition-semipinacol rearrangement was developed for the synthesis of a series of synthetically useful [small beta]-propargyl spirocyclic ketones. Its synthetic application was demonstrated by efficient construction of the key tricyclic moiety of daphlongamine E.
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Electrophoretic separation in a microfluidic paper-based analytical device with an on-column wireless electrogenerated chemiluminescence detector

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

Chem. Commun., 2014, 50,5699-5702
DOI: 10.1039/C3CC49770D, CommunicationLei Ge, Shaowei Wang, Shenguang Ge, Jinghua Yu, Mei Yan, Nianqiang Li, Jiadong Huang
In this work, a microfluidic paper-based analytical device was further exploited by coupling with an electrophoretic separation technique for the first time.
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Lanthanide based Tuning of Luminescence in MOFs and Dense Frameworks - From Mono- and Multimetal Systems to Sensors and Films

Chem. Commun. - 4 May, 2014 - 20:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC00848K, Feature ArticleLarissa Meyer, Fabian Schonfeld, Klaus Muller-Buschbaum
This feature article focuses on tuning options of photoluminescence properties of lanthanide containing Metal-Organic Frameworks (MOFs) and Dense Frameworks by selection of an appropriate set of metal ions together with...
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