Royal Society of Chemistry

Chiral squaramide-catalyzed asymmetric synthesis of pyranones and pyranonaphthoquinones via cascade reactions of 1,3-dicarbonyls with Morita-Baylis-Hillman acetates of nitroalkenes

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6973-6976
DOI: 10.1039/C4CC02279C, CommunicationDivya K. Nair, Rubem F. S. Menna-Barreto, Eufranio N. da Silva Junior, Shaikh M. Mobin, Irishi N. N. Namboothiri
Catalytic asymmetric synthesis of [small alpha]-lapachones from hydroxynaphthoquinone and Morita-Baylis-Hillman acetates of nitroalkenes is described.
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Diastereoselective allylation and crotylation of N-tert-butanesulfinyl imines with allylic alcohols

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6898-6901
DOI: 10.1039/C4CC02317J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Olga Soares do Rego Barros, Juan Alberto Sirvent, Francisco Foubelo, Miguel Yus
The allylation and crotylation of N-tert-butanesulfinyl imines with allylic alcohols under palladium catalysis proceeded in a stereoselective fashion with anti-diastereoselectivity.
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Simulation of the self-assembly of simple molecular bricks into Sierpinski triangles

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6843-6845
DOI: 10.1039/C4CC01344A, CommunicationD. Nieckarz, P. Szabelski
Monte Carlo simulations reveal the surface-confined self-assembly of simple organic ligands (orange) and metal atoms (blue) into hierarchical fractal structures resembling the Sierpinski triangle.
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A tetraphenylethene-based zinc complex as a sensitive DNA probe by coordination interaction

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7060-7062
DOI: 10.1039/C4CC02172J, CommunicationZece Zhu, Li Xu, Hao Li, Xiang Zhou, Jingui Qin, Chuluo Yang
A new DNA probe based on coordination interactions exhibited higher sensitivity than the corresponding probe based on electrostatic interactions.
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TPPi as a flame retardant for rechargeable lithium batteries with sulfur composite cathodes

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7011-7013
DOI: 10.1039/C4CC01151A, CommunicationHao Jia, Jiulin Wang, Fengjiao Lin, Charles W. Monroe, Jun Yang, Yanna NuLi
In this work, TPPi was adopted as a flame retardant additive into the traditional electrolyte 1 M LiPF6/EC + DMC (1 : 1, v/v) which not only enhanced the carbonates' thermal properties but also improved the electrochemical performances of rechargeable Li-S batteries.
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Zn(II) and Cu(II) complexes of a new thiophene-based salphen-type ligand: solution-processable high-performance field-effect transistor materials

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7036-7039
DOI: 10.1039/C4CC01360C, CommunicationAshish K. Asatkar, Satyaprasad P. Senanayak, Anjan Bedi, Snigdha Panda, K. S. Narayan, Sanjio S. Zade
Organic field-effect transistor (OFET) devices based on solution-processed Cu(II) and Zn(II) complexes of a new thiophene-based salphen-type ligand exhibited high p-type mobilities (up to 1.5 cm2 V-1 s-1).
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Structurally-modified subphthalocyanines: molecular design towards realization of expected properties from the electronic structure and structural features of subphthalocyanine

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6949-6966
DOI: 10.1039/C4CC01526F, Feature ArticleSoji Shimizu, Nagao Kobayashi
This feature article summarizes recent contributions of the authors in the synthesis of structurally-modified subphthalocyanines, which covers (1) modification of the conjugated system, (2) core-modification, and (3) exterior-modification.
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Nitrogen-doped carbon nanotubes and graphene composite structures for energy and catalytic applications

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6818-6830
DOI: 10.1039/C4CC00146J, Feature ArticleWon Jun Lee, Uday Narayan Maiti, Ju Min Lee, Joonwon Lim, Tae Hee Han, Sang Ouk Kim
The rise of N-doped graphitic carbons has renewed research interest in carbon based composites, particularly in their grand prospects for energy and catalytic applications.
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Charge instability of symmetry broken dipolar states in quadrupolar and octupolar triphenylamine derivatives

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6902-6905
DOI: 10.1039/C3CC47514J, CommunicationShanmugam Easwaramoorthi, Pichandi Thamaraiselvi, Kumaraguru Duraimurugan, Arockiam Jesin Beneto, Ayyanar Siva, Balachandran Unni Nair
The quadrupolar and octupolar cyano triphenylamines shows symmetry broken dipolar charge transfer state, however, the thus formed state is distinctly different from that of its dipolar analogue.
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A highly stable metal- and nitrogen-doped nanocomposite derived from Zn/Ni-ZIF-8 capable of CO2 capture and separation

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6894-6897
DOI: 10.1039/C4CC01087F, CommunicationRui Li, Xiaoqian Ren, Xiao Feng, Xingguo Li, Changwen Hu, Bo Wang
A facile strategy is reported for the synthesis of a highly stable and in situ metal- and nitrogen-doped porous composite capable of CO2 capture and separation. This novel composite can survive extensive heating and can be fully reactivated after recycling.
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pH triggered reversible photoinduced electron transfer to and from carbon nanoparticles

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6890-6893
DOI: 10.1039/C4CC01669F, CommunicationSomen Mondal, Manjunath Chatti, Arabinda Mallick, Pradipta Purkayastha
Dopamine functionalized carbon nanoparticles (CNPs) act as efficient photoinduced electron donor-acceptor systems depending on the pH of the medium.
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Efficient access to the non-reducing end of low molecular weight heparin for fluorescent labeling

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,7004-7006
DOI: 10.1039/C4CC00708E, CommunicationZongqiang Wang, Chen Shi, Xuri Wu, Yijun Chen
A novel thiol fluorophore was selectively attached to the non-reducing end of low molecular weight heparin for use in the FRET assay of heparinase II.
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High CO2/N2 and CO2/CH4 selectivity in a chiral metal-organic framework with contracted pores and multiple functionalities

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6886-6889
DOI: 10.1039/C4CC00334A, CommunicationXiaoxia Lv, Liangjun Li, Sifu Tang, Chao Wang, Xuebo Zhao
A MOF with contracted pores and multiple functionalities showing high selectivities on CO2/N2 and CO2/CH4 gas mixtures was constructed.
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Ditopic bis-terdentate cyclometallating ligands and their highly luminescent dinuclear iridium(III) complexes

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6831-6834
DOI: 10.1039/C4CC01808G, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Pierre-Henri Lanoe, Chi Ming Tong, Ross W. Harrington, Michael R. Probert, William Clegg, J. A. Gareth Williams, Valery N. Kozhevnikov
Luminescent dinuclear Ir(III) complexes of a bis-N[logical and]C[logical and]N-coordinating ligand are reported with two metal ions bound to a central pyrimidine. A pair of enantiomers and a meso form have been structurally characterised.
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Ultralow-temperature CO oxidation on an In2O3-Co3O4 catalyst: a strategy to tune CO adsorption strength and oxygen activation simultaneously

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6835-6838
DOI: 10.1039/C4CC00036F, CommunicationYang Lou, Xiao-Ming Cao, Jinggang Lan, Li Wang, Qiguang Dai, Yun Guo, Jian Ma, Zhenyang Zhao, Yanglong Guo, P. Hu, Guanzhong Lu
Highly efficient In2O3-Co3O4 catalysts were prepared for ultralow-temperature CO oxidation by simultaneously tuning the CO adsorption strength and oxygen activation over a Co3O4 surface.
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Low temperature chemical reduction of fusional sodium metasilicate nonahydrate into a honeycomb porous silicon nanostructure

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6856-6859
DOI: 10.1039/C4CC00888J, CommunicationJianwen Liang, Denghu Wei, Ning Lin, Youngchun Zhu, Xiaona Li, Jingjing Zhang, Long Fan, Yitai Qian
A new straightforward access to honeycomb porous silicon based on a low temperature (200 [degree]C) magnesiothermic reduction reaction is described.
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Selective homocysteine turn-on fluorescent probes and their bioimaging applications

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6967-6969
DOI: 10.1039/C4CC00243A, CommunicationHye Yeon Lee, Yoon Pyo Choi, Sunkyung Kim, Taejin Yoon, Zhiqian Guo, Songyi Lee, K. M. K. Swamy, Gyoungmi Kim, Jin Yong Lee, Injae Shin, Juyoung Yoon
The design and development of new pyrene-based fluorescent probes, P-Hcy-1 and P-Hcy-2, which display selective fluorescence enhancements in response to homocysteine (Hcy), are described.
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On the hydrates of codeine phosphate: the remarkable influence of hydrogen bonding on the crystal size

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6970-6972
DOI: 10.1039/C4CC01430H, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Tomce Runcevski, Gjorgji Petrusevski, Petre Makreski, Sonja Ugarkovic, Robert E. Dinnebier
The strong influence of water molecules on the crystal size and shape of codeine phosphate hydrates is reported.
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A triangular triplatinum(0) complex with bridging germylene ligands: insertion of alkynes into the Pt-Ge bond rather than the Pt-Pt bond

Chem. Commun. - 4 June, 2014 - 03:17

Chem. Commun., 2014, 50,6839-6842
DOI: 10.1039/C4CC00727A, CommunicationMakoto Tanabe, Kimiya Tanaka, Shumpei Omine, Kohtaro Osakada
A triangular triplatinum(0) complex with bridging germylene ligands was prepared and fully characterized. The Pt3Ge3 core is bonded with electron-releasing GePh2 and PMe3 ligands. Insertion of alkyne into the Pt-Ge bonds results in the formation of germaplatinacyclic compounds.
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Controlled translocation of palladium(II) within a 22 ring atom macrocyclic ligand

Dalton Transactions - 3 June, 2014 - 08:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00765D, PaperMichael G. Burgess, M. Naveed Zafar, Stephen T. Horner, George R. Clark, L. James Wright
Palladium can be directed to coordinate to the "tail" region of the macrocycle H4L to give 3b. Translocation of the palladium from the tail coordination pocket to the head coordination pocket occurs on treatment with amines such as n-BuNH2 to give 4.
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