Chem. Commun.

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Stereocontrolled generation of nucleophilic (Z)- or (E)-[small alpha]-fluoroalkenylchromium reagents via carbon-fluorine bond activation: highly stereoselective synthesis of (E)- or (Z)-[small beta]-fluoroallylic alcohols

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1543-1545
DOI: 10.1039/C3CC47219A, CommunicationTakashi Nihei, Saya Yokotani, Takashi Ishihara, Tsutomu Konno
(E)- or (Z)-[small beta]-fluoroallylic alcohol derivatives were prepared in a highly stereoselective manner via a novel carbon-fluorine bond activation.
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New routes towards reutericyclin analogues

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1588-1590
DOI: 10.1039/C3CC47867J, CommunicationRaymond C. F. Jones, James P. Bullous, Carole C. M. Law, Mark R. J. Elsegood
N-Acylpyrrolo[3,4-c]isoxazoles and N-acyltetramides are prepared as analogues of acyltetramic acid metabolite reutericyclin, which has potential against bacteria including Clostridium difficile.
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Opening an Aladdin's cave: the Suzuki coupling in a room-temperature ionic liquid

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1515-1518
DOI: 10.1039/C3CC44932G, ViewpointNicholas E. Leadbeater
This viewpoint will discuss the impact of the 2000 Chem. Commun. report that the palladium-catalysed Suzuki coupling can be performed quickly and easily in a room-temperature ionic liquid.
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A T7 exonuclease-assisted cyclic enzymatic amplification method coupled with rolling circle amplification: a dual-amplification strategy for sensitive and selective microRNA detection

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1576-1578
DOI: 10.1039/C3CC48707E, CommunicationLiang Cui, Zhi Zhu, Ninghang Lin, Huimin Zhang, Zhichao Guan, Chaoyong James Yang
A T7 exonuclease-assisted cyclic enzymatic amplification method (CEAM) was combined with rolling circle amplification (RCA) to develop a RCA-CEAM dual amplification method for ultrasensitive detection of microRNA with excellent selectivity.
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Highly emissive deoxyguanosine analogue capable of direct visualization of B-Z transition

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1573-1575
DOI: 10.1039/C3CC48297A, CommunicationSoyoung Park, Haruka Otomo, Linjie Zheng, Hiroshi Sugiyama
A 2-aminothieno[3,4-d]pyrimidine G-mimic deoxyribonucleoside, thdG, was synthesized and incorporated readily into oligonucleotides as a versatile fluorescent guanine analogue. We demonstrate that thdG enables the visual detection of Z-DNA successfully based on different [small pi]-stacks of B- and Z-DNA.
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Rationale for the sluggish oxidative addition of aryl halides to Au(I)

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1533-1536
DOI: 10.1039/C3CC48914K, CommunicationMadeleine Livendahl, Charles Goehry, Feliu Maseras, Antonio M. Echavarren
Linear 2-coordinate d10 Au(I) complexes could form Au(III) species by oxidative addition with reasonable energies, although the barriers to access them are prohibitively high.
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Multistate self-assembled micro-morphology transitions controlled by host-guest interactions

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1567-1569
DOI: 10.1039/C3CC48491B, CommunicationQiwei Zhang, Xuyang Yao, Da-Hui Qu, Xiang Ma
Multistate self-assembled micro-morphology transitions controlled by host-guest interactions between bis-sulfonatocalix[4]arene, [gamma]-CD and a ditopic guest.
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Metal-free cascade radical cyclization of 1,6-enynes with aldehydes

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1564-1566
DOI: 10.1039/C3CC48339H, CommunicationJian-Yi Luo, Hui-Liang Hua, Zi-Sheng Chen, Zhao-Zhao Zhou, Yan-Fang Yang, Ping-Xin Zhou, Yu-Tao He, Xue-Yuan Liu, Yong-Min Liang
A new and efficient metal-free cascade cyclization of 1,6-enynes with aldehydes is developed for the synthesis of tricyclic fluorene derivatives.
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A disk-aromatic bowl cluster B30: toward formation of boron buckyballs

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1558-1560
DOI: 10.1039/C3CC48392D, CommunicationTruong Ba Tai, Long Van Duong, Hung Tan Pham, Dang Thi Tuyet Mai, Minh Tho Nguyen
The B30 cluster is a bowl-shape structure, rather than a double-ring tubular form and exhibits disk-aromatic features similar to those of B19- and B202-. It suggests a consistent route for the formation of boron buckyballs such as B80 and B92 from multiple B30 units.
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Efficient synthesis of 1,2-bis(alkoxycarbonyl)pyrazol-3-ones from 2,3-allenoic acids, azodicarboxylates and PPh3

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1537-1539
DOI: 10.1039/C3CC48215D, CommunicationRuizhi Lu, Xin Cheng, Xingliang Zheng, Shengming Ma
The reaction of 2,3-allenoic acids with dialkyl azodicarboxylate in the presence of PPh3 affords 1,2-bis(alkoxycarbonyl)pyrazol-3-ones in moderate yields. A mechanism involving intramolecular Michael addition of the expected 2,3-allenoyl hydrazines has been proposed.
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Sequential formation of N-doped nanohelicenes, nanographenes and nanodomes by surface-assisted chemical (cyclo)dehydrogenation of heteroaromatics

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1555-1557
DOI: 10.1039/C3CC47399F, CommunicationAnna Lisa Pinardi, Jose Ignacio Martinez, Andrej Jancarik, Irena G. Stara, Ivo Stary, Maria Francisca Lopez, Javier Mendez, Jose Angel Martin-Gago
Stepwise formation of N-doped nanostructures from the same heteroaromatic precursor through subsequent on-surface dehydrogenations on Pt(111).
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A highly porous NbO type metal-organic framework constructed from an expanded tetracarboxylate

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1552-1554
DOI: 10.1039/C3CC48747D, CommunicationJianfeng Cai, Xingtang Rao, Yabing He, Jancan Yu, Chuande Wu, Wei Zhou, Taner Yildirim, Banglin Chen, Guodong Qian
A highly porous NbO type metal-organic framework was constructed from an elaborately enlarged tetratopic ligand.
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A diversity oriented one-pot synthesis of novel iminosugar C-glycosides

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1549-1551
DOI: 10.1039/C3CC48370C, CommunicationSoundararasu Senthilkumar, Sure Siva Prasad, Ponminor Senthil Kumar, Sundarababu Baskaran
A mild and highly efficient one-pot method for the stereoselective synthesis of structurally diverse novel iminosugar C-aryl glycosides is demonstrated with a wide variety of aryl nucleophiles and amines.
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Multifunctional nanoparticles via host-guest interactions: a universal platform for targeted imaging and light-regulated gene delivery

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1579-1581
DOI: 10.1039/C3CC48098D, CommunicationWenyu Li, Jianwei Du, Kun Zheng, Peng Zhang, Qiaoling Hu, Youxiang Wang
Host-guest assembly provides a universal platform to construct responsive carrier systems for targeted imaging and controllable gene delivery.
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Intracellular fluorescent thermometry and photothermal-triggered drug release developed from gold nanoclusters and doxorubicin dual-loaded liposomes

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1546-1548
DOI: 10.1039/C3CC47981A, CommunicationRijun Gui, Ajun Wan, Xifeng Liu, Hui Jin
Gold nanoclusters and doxorubicin dual-loaded liposomes were prepared and developed toward intracellular fluorescence thermometry and photothermal-triggered drug release.
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Facile synthesis of ultra-small hybrid silica spheres for enhanced penetration in 3D glioma spheroids

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1527-1529
DOI: 10.1039/C3CC48416E, CommunicationMeihua Yu, Surajit Karmakar, Jie Yang, Hongwei Zhang, Yannan Yang, Peter Thorn, Chengzhong Yu
A facile approach has been developed to prepare ultra-small hybrid silica spheres with a diameter of [similar]10 nm, which show outstanding penetration ability in 3D glioma spheroids.
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Polymorphism in 9,9-diarylfluorene-based organic semiconductors: influence on optoelectronic functions

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1523-1526
DOI: 10.1039/C3CC48566H, CommunicationJun Yun Kim, Takuma Yasuda, Yu Seok Yang, Naoki Matsumoto, Chihaya Adachi
Concomitant polymorphism is observed in 9,9-diarylfluorene-based organic semiconductors. The effects of rich phase behavior on their charge transport and photoluminescence properties are investigated.
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From assembled metal-organic framework nanoparticles to hierarchically porous carbon for electrochemical energy storage

19 January, 2014 - 18:17

Chem. Commun., 2014, 50,1519-1522
DOI: 10.1039/C3CC48112C, CommunicationArlin Jose Amali, Jian-Ke Sun, Qiang Xu
A hierarchically porous carbon framework prepared from assembled metal-organic framework (ZIF-8) nanoparticles, which exhibits the best electrochemical capacitance, has been reported.
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Synthesis of the 6,6,5,7-tetracyclic core of daphnilongeranin B

15 January, 2014 - 17:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C3CC47873D, CommunicationXiaochun Xiong, Yong Li, Zhaoyong Lu, Ming Wan, Jun Deng, Shuhang Wu, Huawu Shao, Ang Li
An efficient approach toward the synthesis of the 6,6,5,7-tetracyclic core of the daphnilongeranin B, a Daphniphyllum alkaloid, is reported.
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Ethylene oligomerization using iron complexes: beyond the discovery of bis(imino)pyridine ligands

15 January, 2014 - 17:17

Chem. Commun., 2014, 50,1398-1407
DOI: 10.1039/C3CC47834C, Feature ArticleAdrien Boudier, Pierre-Alain R. Breuil, Lionel Magna, Helene Olivier-Bourbigou, Pierre Braunstein
Recent ligand developments for iron-catalyzed ethylene oligomerization since the discovery of the bis(imino)pyridine systems are described.
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