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Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00060B, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
A convenient and efficient synthetic method for the construction of morpholine and piperazine derivatives in moderate to good yields was established. The reaction proceeds smoothly with 1.0 mol% gold catalyst...
 
Jie Wang, Wang-Bin Sun, Ying-Zi Li, Xuan Wang, Bing-Feng Sun, Guo-Qiang Lin and Jian-Ping Zou
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00065C, Research Article
A formal synthesis of platencin features an organocatalytic approach to the [2.2.2] bicycle, a radical reductive elimination, a Au-catalyzed rearrangement and a Rh-catalyzed hydrosilylation.
 
Anaïs Berthelot-Bréhier, Armen Panossian, Françoise Colobert and Frédéric R. Leroux
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00067J, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
An unprecedented atropo-diastereoselective aryl–aryl coupling via arynes allows for the modular synthesis of enantiopure P,S-ligands.
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00029G, Research Article
A silver-promoted decarboxylative annulation of alkynoates with 2-oxoacetic acids leading to the formation of 3-acyl-4-arylcoumarins is reported. The process involves radical decarboxylative acylation, 5-exo cyclization, and ester migration.
 
Lipeng Wu, qiang liu, Ralf Jackstell and Matthias Beller
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00071H, Research Article
A novel protocol for ruthenium-catalyzed methoxycarbonylation reaction of alkenes is reported. Using easily available Ru3(CO)12 as catalyst in the presence of [Bmim]Cl as additive, industrial important esters are produced in...
 
Jianrong Zhou and Li Hui Lim
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00015G, Research Article
Maleimides are extremely susceptible to basic hydrolysis and gave poor yields under Heck conditions. The longstanding problem is solved with the use of a weak base KOAc in a carbonate...
 
Xiaofei Zhang, Shuo Guo and pingping tang
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00095E, Research Article
A practical and highly selective fluorination of unactivated aliphatic C-H bonds without the use of transition metals has been developed. This C-H fluorination protocol is robust, operationally simple, scalable and...
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO90018B, Correction
 
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00072F, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
Stable five-membered metallacyclic allenes that contain a sulfur atom were synthesized and structurally characterized. Low-valent zirconocene and titanocene reacted with alkynylthioamides to afford 1-thia-2-metallacyclopenta-3,4-diene compounds in moderate to excellent yields....
 
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00098J, Research Article
The synthesis of pandamarilactonines in high enantiopurity is challenging due to the configurational instability of the pyrrolidin-2-yl butenolide moiety presented in those alkaloids. In an attempted asymmetric synthesis of pandamarilactonine-B...
 
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00064E, Research Article
A new method was developed for in situ generation of active Fe catalysts for the hydrogenation of olefins from bench-stable Fe(II) complexes and easily accessible LiAlH4. This method makes the...
 
Akio Kamimura, Tatsuro Yoshinaga, Fumiaki Noguchi, Koichiro Miyazaki and Hidemitsu Uno
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00063G, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
A kinetic study on radical cascade reactions of 1,6-enyne compounds was undertaken. The efficiency of the reaction depended on the presence of an ester group at the alkene unit, which...
 
John H Ryan, Adam G Meyer, Jonathan M White, Hugo Santos, Amy Distiller, Asha M D'Souza and Quentin Arnoux
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00062A, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
A series of phthalic anhydrides underwent a 1,3-dipolar cycloaddition reaction with N-benzylazomethine ylide, formed in situ from N-(methoxymethyl)-N-(trimethylsilylmethyl)benzylamine and a catalytic amount of trifluoroacetic acid, to produce unstable spiro(isobenzofuran-1,5'-oxazolidin)-3-ones. The...
 
Xinjun Tang, Xin Huang, Tao Cao, Yulin Han, Xingguo Jiang, Weilong Lin, Yang Tang, Jia-Sheng Zhang, Qiong Yu, Chunling Fu and Shengming Ma
Org. Chem. Front., 2015, Accepted Manuscript
DOI: 10.1039/C5QO00084J, Research Article
Here we show the CuBr2-catalyzed approach for highly enantioselective synthesis (90~98% ee) of allenes bearing a very broad array of unmasked synthetically attractive functionalities from aldehydes and terminal alkynyl bearing...
 
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, 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...
 
Justyna Szudkowska-Frątczak, Grzegorz Hreczycho and Piotr Pawluć
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00018A, Review Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
Recent developments in the sequential synthetic strategies including ruthenium-catalyzed silylative coupling followed by desilylation, leading to π-conjugated organic derivatives are presented.
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00019J, Research Article
A new reductive cyclization/Ugi multicomponent reaction sequence for the synthesis of 1-deoxyallonojirimycin and 1-deoxyaltronojirimycin has been developed.
 
Lillian V. A. Hale, David G. Emmerson, Emma F. Ling, Andrew J. Roering, Marissa A. Ringgold and Timothy B. Clark
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C4QO00348A, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
ortho-C–H borylation of benzylic amines has been used in conjunction with a Suzuki–Miyaura coupling reaction to access biphenylbenzylic amines in good yields and requiring a single purification step.
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C4QO00331D, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
Cu-catalysed cross-coupling for mono- and di-arylations of aryl and heteroaryl iodides and bromides is achieved with arylboronate esters.
 
Zhenzhong Zhang, Taishin Hashiguchi, Tamao Ishida, Akiyuki Hamasaki, Tetsuo Honma, Hironori Ohashi, Takushi Yokoyama and Makoto Tokunaga
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C4QO00354C, Research Article
From themed collection Celebrating the 80th Birthday of Professor Ei-ichi Negishi
ZrO2 supported palladium catalysts promoted the aerobic oxidation of cyclohexanones to give phenols and aryl ethers.
 
Org. Chem. Front., 2015, Advance Article
DOI: 10.1039/C5QO00005J, Research Article
A new synthetic route has been developed for the synthesis of a substituted indane derivative using Lewis acid catalyzed modified Nazarov type cyclization, which was further applied in the total synthesis of mutisianthol and epi-mutisianthol in a nine step longest linear sequence.
 

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