Royal Society of Chemistry

Cascade catalysis - strategies and challenges en route to preparative synthetic biology

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5798-5811
DOI: 10.1039/C4CC08752F, Feature ArticleJan Muschiol, Christin Peters, Nikolin Oberleitner, Marko D. Mihovilovic, Uwe T. Bornscheuer, Florian Rudroff
In this feature article recent progress and future perspectives of cascade catalysis combining bio/bio or bio/chemo catalysts are presented.
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Tailoring nano-catalysts: turning gold nanoparticles on bulk metal oxides to inverse nano-metal oxides on large gold particles

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5975-5978
DOI: 10.1039/C5CC00016E, CommunicationGuofeng Zhao, Xin-Ping Wu, Ruijuan Chai, Qiaofei Zhang, Xue-Qing Gong, Jun Huang, Yong Lu
Inverse nano-oxide/large-gold-particle catalysts create an anti-sintering structure with a large interface thereby showing high activity/selectivity for the gas-phase alcohol oxidation with dramatic stability improvement.
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High activity and stability in the cross-coupling of aryl halides with disulfides over Cu-doped hierarchically porous zeolite ZSM-5

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5890-5893
DOI: 10.1039/C4CC10417J, CommunicationWenqian Fu, Taotao Liu, Zhongxue Fang, Yuli Ma, Xiang Zheng, Wenchang Wang, Xiaojun Ni, Maolin Hu, Tiandi Tang
A Cu-doped zeolite ZSM-5 (Cu-ZSM-5-M) with a micro-meso-macroporous structure was directly synthesized, and it exhibits excellent catalytic activity and good recyclability in the cross-coupling of aryl halides with diphenyl disulfides.
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Lewis-acid induced disaggregation of dimeric arylantimony oxides

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5932-5935
DOI: 10.1039/C5CC00738K, CommunicationRalf Kather, Tomas Svoboda, Maren Wehrhahn, Elena Rychagova, Enno Lork, Libor Dostal, Sergey Ketkov, Jens Beckmann
The reaction of (Ph3SbO)2 and [2,6-(Me2NCH2)2C6H3SbO]2 with B(C6F5)3 provided the donor acceptor complexes Ph3SbOB(C6F5)3 and 2,6-(Me2NCH2)2C6H3SbOB(C6F5)3 having significantly shorter Sb-O bonds than their parent compounds.
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Synthesis of 3-bromosubstituted pyrroles via palladium-catalyzed intermolecular oxidative cyclization of bromoalkynes with N-allylamines

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5894-5897
DOI: 10.1039/C4CC10322J, CommunicationJia Zheng, Liangbin Huang, Zun Li, Wanqing Wu, Jianxiao Li, Huanfeng Jiang
A novel Pd-catalyzed intermolecular oxidative cyclization of bromoalkynes with N-allylamines to construct 3-bromo-pyrrole derivatives has been developed.
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A biocompatible porous Mg-gallate metal-organic framework as an antioxidant carrier

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5848-5851
DOI: 10.1039/C5CC00745C, CommunicationLucy Cooper, Tania Hidalgo, Martin Gorman, Tamara Lozano-Fernandez, Rosana Simon-Vazquez, Camille Olivier, Nathalie Guillou, Christian Serre, Charlotte Martineau, Francis Taulelle, Daiane Damasceno-Borges, Guillaume Maurin, Africa Gonzalez-Fernandez, Patricia Horcajada, Thomas Devic
The slow release of gallic acid from a biocompatible porous MOF lead to a strong antioxidant activity.
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Copper-catalyzed oxidative C(sp3)-H/N-H coupling of sulfoximines and amides with simple alkanes via a radical process

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5902-5905
DOI: 10.1039/C5CC00839E, CommunicationFan Teng, Song Sun, Yan Jiang, Jin-Tao Yu, Jiang Cheng
A copper-catalyzed oxidative C(sp3)-H/N-H coupling of sulfoximines and amides with simple alkanes via a radical pathway was developed.
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Copper-catalyzed aerobic carboxygenation and N-arylation of [1,2,3]triazolo[1,5-a]pyridines towards pyridinium triazolinone ylides

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5929-5931
DOI: 10.1039/C4CC10061A, CommunicationSreekumar Pankajakshan, Zhi Guang Chng, Rakesh Ganguly, Teck Peng Loh
Copper-catalyzed aerobic oxyarylation of [1,2,3]triazolo[1,5-a]pyridines is developed.
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On Zn(II) 2,2[prime or minute]-bisdipyrrin circular helicates

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5906-5909
DOI: 10.1039/C5CC00724K, CommunicationStephane A. Baudron, Herve Ruffin, Mir Wais Hosseini
Coordination of two 2,2[prime or minute]-bisdipyrrin ligands, bearing either methyl ester or methylthioether peripheral groups, with Zn(II) cations leads not only to the formation of the expected linear helicates but also concomitantly to novel tri- and tetra-nuclear circular species that have been isolated and fully characterized in solution and in the solid state by single-crystal X-ray diffraction.
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Rh2(esp)2-catalyzed allylic and benzylic oxidations

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5852-5855
DOI: 10.1039/C4CC10336J, CommunicationYi Wang, Yi Kuang, Yuanhua Wang
The dirhodium(II) catalyst Rh2(esp)2 allows direct solvent-free allylic and benzylic oxidation by T-HYDRO with a remarkably low catalyst loading.
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Ionic liquid-mediated synthesis of meso-scale porous lanthanum-transition-metal perovskites with high CO oxidation performance

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5910-5913
DOI: 10.1039/C5CC00534E, CommunicationHanfeng Lu, Pengfei Zhang, Zhen-An Qiao, Jinshui Zhang, Huiyuan Zhu, Jihua Chen, Yinfei Chen, Sheng Dai
Mesoporous lanthanum-transition-metal perovskites with high CO oxidation performance are synthesized by facilitation through ionic liquids.
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Controlled droplet transport on a gradient adhesion surface

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,6010-6013
DOI: 10.1039/C5CC00467E, CommunicationShile Feng, Sijie Wang, Chengcheng Liu, Yongmei Zheng, Yongping Hou
A surface with continuously changed adhesion from ultrahigh to ultralow is fabricated by an integrated method of anodic oxidation combined with octafluorocyclobutane (C4F8) plasma.
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Strong hydrophobizer: laterally chemisorbed low-molecular-weight polydimethylsiloxane

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5844-5847
DOI: 10.1039/C5CC00066A, CommunicationSoo Sang Chae, Jin Young Oh, Jee Ho Park, Won Jin Choi, Jeong Hwan Han, Jeong-O Lee, Hong Koo Baik, Tae Il Lee
We introduce a siloxane chain-based hydrophobizer that exhibits superior thermal and chemical stability compared to the conventional hydrophobizing silane agent under conditions of over 300 [degree]C and pH 2-13.
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A novel strategy to synthesize well-defined PS brushes on silica particles by combination of lithium-iodine exchange (LIE) and surface-initiated living anionic polymerization (SI-LAP)

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5921-5924
DOI: 10.1039/C5CC00335K, CommunicationJiakang Min, Yichao Lin, Jun Zheng, Tao Tang
SiO2 particles coated by well-defined brushlike polystyrene are successfully prepared by the combination of lithium-iodine exchange and surface-initiated living anionic polymerization.
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Highly specific enrichment of N-glycoproteome through a nonreductive amination reaction using Fe3O4@SiO2-aniline nanoparticles

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5982-5985
DOI: 10.1039/C4CC10285A, CommunicationYing Zhang, Meng Yu, Cheng Zhang, Yali Wang, Yi Di, Changchun Wang, Haojie Lu
To highly efficient extract the N-glycoproteome, a novel solid-phase extraction method based on a nonreductive amination reaction was developed.
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DNAzyme tunable lead(II) gating based on ion-track etched conical nanochannels

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5979-5981
DOI: 10.1039/C5CC00288E, CommunicationYanLi Shang, Yuqi Zhang, Pei Li, Jing Lai, Xiang-Yu Kong, Weida Liu, Kai Xiao, Ganhua Xie, Ye Tian, Liping Wen, Lei Jiang
A simple biomimetic ionic gate has been developed by modifying lead(II) ion responsive DNAzymes onto the inner surface of ion-etched polymer nanochannels.
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Synthesis of pyrroloindolines and furoindolines via cascade dearomatization of indole derivatives with carbenium ion

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5971-5974
DOI: 10.1039/C5CC00780A, CommunicationChuan Liu, Qin Yin, Li-Xin Dai, Shu-Li You
Intermolecular cascade dearomatization of substituted indoles with benzodithiolylium tetrafluoroborate has been developed, providing C3 methyl-substituted pyrroloindolines and furoindolines.
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Oxidative methane activation over yttrium stabilised zirconia

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5856-5859
DOI: 10.1039/C4CC09010A, CommunicationC. S. Cooper, R. J. Oldman, C. R. A. Catlow
Mechanism of C-H bond cleavage, involving electron transfer to adsorbed oxygen on YSZ by electronic structure calculations.
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Dynamic stereoisomerization in inherently chiral bimetallic [2]catenanes

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5840-5843
DOI: 10.1039/C4CC07392D, CommunicationThirumurugan Prakasam, Matteo Lusi, Elisa Nauha, John-Carl Olsen, Mohamadou Sy, Carlos Platas-Iglesias, Loic J. Charbonniere, Ali Trabolsi
Stereoisomerization and the unprecedented phenomenon of metal translocation in the absence of redox processes were probed in two inherently chiral bimetallic [2]catenanes by using a combination of variable-temperature 1H NMR and CD spectroscopies, X-ray crystallography, and DFT calculations.
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Microemulsion flame pyrolysis for hopcalite nanoparticle synthesis: a new concept for catalyst preparation

Chem. Commun. - 20 March, 2015 - 03:54

Chem. Commun., 2015, 51,5872-5875
DOI: 10.1039/C5CC00481K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.T. Biemelt, K. Wegner, J. Teichert, S. Kaskel
A new route to highly active hopcalite catalysts via flame spray pyrolysis of an inverse microemulsion precursor is reported.
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