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Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00069F, Research Article
An enantioselective iridium-catalyzed hydrogenation of trifluoromethyl substituted pyridinium hydrochlorides is described. Introduction of trifluoromethyl group increases the reactivity and enantioselectivity due to the electron-withdrawing effect. Three stereogenic centers could be...
 
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00029G, Research Article
A silver-promoted decarboxylative annulations of alkynoates with 2-oxoacetic acids is reported, leading to the formation of 3-acyl4-arylcoumarins. In the process, radical decarboxylative acylation, 5-exo-trig cyclization, and ester migration are mainly...
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00046G, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
2,6-Di(hetero)aryl substituted dithienothiazines with fine-tunable electronic properties are efficiently accessible by lithiation–lithium–zinc exchange–Negishi cross-coupling in a one-pot fashion.
 
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00045A, Research Article
The synthesis of alkynyl trifluoromethyl selenides by the Cu-mediated oxidative trifluoromethylselenolation of terminal alkynes is reported. Treatment of [(bpy)Cu(SeCF3)]2 with various terminal alkynes in the presence of an oxidant, Dess−Martin...
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00047E, Research Article
Zinc diiodide has been identified as an effective reagent for the efficient synthesis of trisubstituted allenes from propargylic amines.
 
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00053J, Research Article
Cu-catalyzed sp3 C–H bonds oxidative functionalization of alkylazaarenes and substituted ethanones to different kinds of isoxazoline derivatives by 1, 3-dipolar cycloaddition is reported. Cheap sources of nitro, commercially available substrates,...
 
Shuo Zhang, Ying Chen, Jian Wu Wang, Yue Pan, ZHENGHU XU and Chen-Ho Tung
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00043B, Research Article
gem-Dihaloalkenes are very important building blocks widely used in organic synthesis. However the synthetic methods toward this functional group are very limited. Starting from an unexpected copper-catalyzed cyclization of propargylic...
 
Filipe Gomes, Vanessa Narbonne, Florent Blanchard, Giovanni Maestri and Max Malacria
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00031A, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
We developed a simple and convenient method to assemble biaryls exploiting a photoredox catalyst and visible light. Diazonium salts generate aryl radicals that could then add on unactivated (hetero)arenes and...
 
Yuanqing Wei, Xiaoxi Zhou, Guangning Hong, Zhixin Chen, Hong Zhang and Haiping Xia
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00052A, Research Article
We have synthesized a new type of ten-membered osmacycles by reactions of the osmapyridinium with HCCCH(OH)R (R = Ph, Et). These reactions are proposed to take place with the initial...
 
Nicolas Oger, Erwan Le Grognec and François-Xavier Felpin
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00037H, Review Article
Diazonium salts and flow chemistry are the perfect wedding for a safe handling.
 
Catherine A. McAdam, Mark G. McLaughlin and Matthew J. Cook
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00002E, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
A high yielding and completely stereoselective hydrosilylation–Hiyama protocol has been established for the synthesis of highly functionalised E,E-dienes.
 
Pierre Quinodoz, Cheikh Lo, Mikhail Kletskii, Oleg Burov, Jérôme Marrot and François Couty
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C4QO00345D, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
Unreported α-hydroxy-β-azido tetrazoles are prepared in a single step and mild conditions from readily available epoxy nitriles.
 
Giada Arena, Elena Cini, Elena Petricci, Rosario Randino and Maurizio Taddei
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00025D, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
A consecutive series of metal-catalyzed reactions for the preparation of enantiomerically pure piperidine derivatives.
 
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00027K, Research Article
Selective oxidative coupling between aryl and tert-alkyl mercaptans was achieved using tert-butyl hydroperoxide (TBHP) as the oxidant and N-iodosuccinimide (NIS) as the catalyst. This protocol may provide an efficient process...
 
Sara Da Ros, Anthony Linden, Kim K. Baldridge and Jay S. Siegel
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00009B, Research Article
Direct iridium-catalyzed multi-borylation provides a valuable tool for the symmetric functionalization of various polycyclic aromatic hydrocarbons, inter alia, regular fivefold derivatization of corannulene.
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00050E, Research Article
A functionally separated D–π-A dye OUK-3 with a pyrazyl group as an electron-accepting group and a carboxyl group as an anchoring group has been newly developed as a photosensitizer for dye-sensitized solar cells.
 
Xi-Chao Chen, Shuhei Nishinaga, Yasuhiro Okuda, Jia-Ji Zhao, Jie Xu, Hiroki Mori and Yasushi Nishihara
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00039D, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
A series of 3,10-dialkylated picenes has been synthesized through sequential Ni-catalyzed alkynylation of a C–O bond, alkylation, and hydrogenation.
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C4QO00330F, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
Polyhydroxylated piperidines are a functionally rich class of biologically active molecules that have broad therapeutic potential.
 
Martin Strack, Sina Langklotz, Julia E. Bandow, Nils Metzler-Nolte and H. Bauke Albada
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C4QO00357H, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
Convenient preparation of bisarylethyne–peptide conjugates, and a mild procedure for the H- or D-reduction of the bisarylethyne triple bond.
 
Hai-Tao Zhu, Ming-Jin Fan, De-Suo Yang, Xiao-Ling Wang, Sen Ke, Chao-Yang Zhang and Zheng-Hui Guan
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00048C, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
A facile and efficient iodine-promoted Meyer–Schuster rearrangement of propargyl alcohols for the synthesis of α-iodo-α,β-unsaturated ketones is presented.
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00044K, Research Article
Copper-catalyzed stereoselective oxytrifluoromethylation of terminal propargyl amides was investigated for the construction of oxazolines under mild conditions.
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C4QO00351A, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
The mechanistic study of the initial step in direct arylation provides valuable insight for optimising reaction conditions.
 
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00016E, Review Article
The Mitsunobu reaction was first described almost fifty years ago and has enjoyed immense popularity since its inception. The purpose of this review is to focus on the more recent...
 
Ramesh Deshidi, Shekaraiah Devari and Bhahwal Ali Shah
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00010F, Research Article
A new metal free self-sorting tandem reaction between styrenes and anilines to access 2,4-disubstituted quinolines, involving simultaneous C–C and C–N bond formation along with a C–C bond cleavage, has been developed.
 
Dattatraya H. Dethe and Vijay Kumar B
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00030K, Research Article
Concise biomimetic and asymmetric approach involving Sharpless asymmetric dihydroxylation and Lewis acid catalysed cyclopenta[b]annulation as key steps to synthesize (+)-bruceolline J.
 

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