Royal Society of Chemistry

Large dipole moment to promote gelation for 4-nitrophenylacrylonitrile derivatives with gelation-induced emission enhancement property

Org. and Biomol. Chem. - 21 July, 2014 - 09:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB00768A, Paperpeng chong Xue, Boqi Yao, Yuan Zhang, Peng Chen, kechang li, Baijun Liu, Ran Lu, Qiux xu
A series of 4-nitrophenylacrylonitrile and phenylacrylonitrile derivatives consisting of carbazole moiety was synthesized. Some of these derivatives with longer alkyl chains and nitro group could gelatinize some organic solvents, such...
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Effect of Conformational Rigidity on the Stereoselectivity of Nucleophilic Additions to Five-membered Ring Bicyclic Oxocarbenium Ion Intermediates

Org. and Biomol. Chem. - 21 July, 2014 - 09:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01251H, PaperOlga Lavinda, Vi Tran, Keith Woerpel
Nucleophilic substitution reactions of five-membered ring acetals bearing fused rings reveal that subtle changes in structure of the fused ring can exert dramatic influences on selectivity. If the fused ring...
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Expedient Synthesis of [small alpha]-S-(1[rightward arrow]6)-Linked Pentaglucosyl Thiol

Org. and Biomol. Chem. - 21 July, 2014 - 09:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01094A, PaperHuali Wang, Xiangming Zhu
An [small alpha]-S-(1[rightward arrow]6)-linked pentaglucosyl thiol has been synthesized in a convenient and stereoselective way. Key steps of the synthesis involved thioglycosylation of 6-iodinated sugars with [small alpha]-glycosyl thiols under phase transfer conditions....
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Recent Advances in Catalytic C-N bond Formation: A Comparison of Cascade Hydroaminomethylation and Reductive Amination Reactions with the Corresponding Hydroamidomethylation and Reductive Amidation Reactions

Org. and Biomol. Chem. - 21 July, 2014 - 09:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB00620H, Review Articlesaeed raoufmoghaddam
The design and catalytic implementation of tandem reactions to selectively create nitrogen-containing products under mild conditions has encountered numerous challenges in synthetic chemistry. Several known classes of the homogeneously catalyzed...
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Total Synthesis of Putative Montamine and a Proposed Structural Reassignment

Org. and Biomol. Chem. - 21 July, 2014 - 09:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01304B, PaperJonathan Sperry, Elizabeth Colby Davie, Lachlan Blair
The natural product montamine was originally assigned as a homodimer of moschamine linked by a N-Nʹ bond at the serotonin side-chain. A total synthesis of the reported structure has shown...
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Cross-catalytic peptide nucleic acid (PNA) replication based on templated ligation

Org. and Biomol. Chem. - 21 July, 2014 - 09:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01158A, PaperAbhishek Singhal, Peter E Nielsen
We report the first PNA self-replicating system based on template directed cross-catalytic ligation, a process analogous to biological replication. Using two decameric template PNAs and four pentameric precursor PNAs, all...
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Ratiometric fluorescent chemosensor based on Tyrosine derivatives for monitoring mercury ions in aqueous solutions

Org. and Biomol. Chem. - 21 July, 2014 - 09:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01044B, PaperPoonaboina Thirupathi, Ponnaboina Saritha, Keun-Hyeung Lee
Ratiometric fluorescent chemosensors, 1 and 2 were synthesized based on Tyrosine amino acid derivatives with a pyrene fluorophore. 1 and 2 displayed high selectivity for Hg(II) ions among 13 metal...
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A General catalyst for Suzuki-Miyaura and Sonogashira reactions of aryl and heteroaryl chlorides in water

Org. and Biomol. Chem. - 21 July, 2014 - 09:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB00846D, PaperHui Peng, Ya-Qin Chen, Shu-Lan Mao, Yunxiao Pi, You Chen, Zeyu Lian, Tong Meng, Shenghua Liu, Guang-Ao Yu
We report the synthesis of 2-(3-sulfonatomesityl)-5-sulfonatoindenyl) dicyclohexylphosphine hydrate sodium salt and its use in palladium-catalyzed Suzuki-Miyaura and Sonogashira coupling reactions in water (and biphasic water-organic solvent mixtures) to prepare a...
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Highly Efficient Synthesis of A Tristable Molecular Shuttle and Its Controlled Motion Under Chemical Stimuli

Org. and Biomol. Chem. - 21 July, 2014 - 09:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01283F, PaperZheng Meng, Chuan-Feng Chen
According to the threading-followed-by-stoppering approach, a tristable molecular shuttle could be efficiently synthesized in 76% yield by using K+ ions template and bulky isocyanate stopper. This high yield was reasoned...
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Iridium(I) hydroxides in catalysis: rearrangement of allylic alcohols to ketones

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01428F, PaperDavid J. Nelson, Jose A. Fernandez-Salas, Byron J. Truscott, Steven P. Nolan
The iridium(I) hydroxide complex [Ir(OH)(COD)(IiPr)] has been shown to be a competent catalyst for the rearrangement of allylic alcohols to ketones.
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Convergent chemoenzymatic synthesis of a library of glycosylated analogues of pramlintide: structure-activity relationships for amylin receptor agonism

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01208A, PaperRenata Kowalczyk, Margaret A. Brimble, Yusuke Tomabechi, Antony J. Fairbanks, Madeleine Fletcher, Debbie L. Hay
The synthesis of a library of N-glycosylated pramlintide analogues to establish the SAR of amylin receptor agonism has been undertaken.
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TBAI-catalyzed oxidative synthesis of benzamides from acetophenones and carbinols

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01203H, CommunicationMuhammad Sharif, Jianbin Chen, Peter Langer, Matthias Beller, Xiao-Feng Wu
An interesting and convenient procedure for the oxidative transformation of acetophenones and carbinols to primary benzamides has been developed.
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Copper-catalyzed arylsulfonylation of N-arylsulfonyl-acrylamides with arylsulfonohydrazides: synthesis of sulfonated oxindoles

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01231C, CommunicationQingshan Tian, Ping He, Chunxiang Kuang
A copper-catalyzed arylsulfonylation of N-arylsulfonyl-acrylamides with sulfonylhydrazides through a tandem radical process was developed.
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Comparison of the substrate selectivity and biochemical properties of human and bacterial [gamma]-butyrobetaine hydroxylase

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01167H, CommunicationAnna M. Rydzik, Ivanhoe K. H. Leung, Grazyna T. Kochan, Nikita D. Loik, Luc Henry, Michael A. McDonough, Timothy D. W. Claridge, Christopher J. Schofield
BBOX is a 2-oxoglutarate dependent oxygenase that can catalyse formation of vicinal diols and amino alcohols.
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Fluorous chiral bisoxazolines: application in copper-catalyzed asymmetric [small alpha]-hydrophosphonylation

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, 12,5843-5846
DOI: 10.1039/C4OB01144A, CommunicationTao Deng, Hongjun Wang, Chun Cai
A copper-catalyzed asymmetric [small alpha]-hydrophosphonylation of isatins with a novel fluorous bis(oxazoline) as a ligand is presented.
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A cascade alkylarylation reaction of 2-isocyanobiphenyls with simple alkanes for 6-alkyl phenanthridines via dual C(sp3)-H/C(sp2)-H functionalizations

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, 12,5839-5842
DOI: 10.1039/C4OB01256A, CommunicationZhi-Qiang Zhu, Tian-Tian Wang, Peng Bai, Zhi-Zhen Huang
A cascade alkylarylation reaction of 2-isocyanobiphenyls with simple alkanes for 6-alkyl phenanthridines has been developed through dual C(sp3)-H/C(sp2)-H functionalizations.
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N-Bromoacetamide-mediated domino cyclization and elimination of homoallylic trichloroacetimidates: a novel approach toward the synthesis of 1-bromo-2-amino-3-butene derivatives

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01126K, PaperRui Zhu, Kai Yu, Zhenhua Gu
Allylic amides 3 were synthesized efficiently from homoallylic trichloroacetimidates 1 via domino bromo-cyclization and elimination reactions.
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Novel phthalamides containing sulfiliminyl moieties and derivatives as potential ryanodine receptor modulators

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB00716F, PaperSha Zhou, Tao Yan, Yuxin Li, Zhehui Jia, Baolei Wang, Yu Zhao, Yuanyuan Qiao, Lixia Xiong, Yongqiang Li, Zhengming Li
The present work firstly reported that the new diamides incorporating sulfiliminyl moieties are potential candidate structures for new ryanodine receptor modulators.
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Stereoselective one-pot synthesis of [small beta]-alkylsulfide enol esters. Base-triggered rearrangement under mild conditions

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01011F, PaperAdrian A. Heredia, Silvia M. Soria-Castro, Lydia M. Bouchet, Gabriela Oksdath-Mansilla, Cecilia A. Barrionuevo, Daniel A. Caminos, Fabricio R. Bisogno, Juan E. Arguello, Alicia B. Penenory
(Z)-Vinyl sulfides are easily synthesised through a multicomponent reaction. An intramolecular S,O-acyl migration accounts for the observed stereoselectivity.
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Syntheses and characterization of liposome-incorporated adamantyl aminoguanidines

Org. and Biomol. Chem. - 21 July, 2014 - 09:17

Org. Biomol. Chem., 2014, 12,6005-6013
DOI: 10.1039/C4OB00592A, PaperMarina Sekutor, Adela Stimac, Kata Mlinaric-Majerski, Ruza Frkanec
A series of mono and bis-aminoguanidinium adamantane derivatives has been synthesized and incorporated into liposomes.
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