Asian Journal of Organic Chemistry
Copyright © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Recently Published Issues
January 20, 2014
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Recently Published Articles
- Enantioselective Hydrogenation of the Double Bond of Exocyclic α,β-Unsaturated Carbonyl Compounds Catalyzed by Iridium/H8-BINOL-Derived Phosphine-Oxazoline Complexes
Dr. Qing Li, Pin Wan, Yuwei He, Yougui Zhou, Lanning Li, Bin Chen, Kun Duan, Dr. Rihui Cao, Prof. Zhongyuan Zhou and Prof. Dr. Liqin Qiu
Article first published online: 16 APR 2014 | DOI: 10.1002/ajoc.201402011
PHOX-y lady: H8-BINOL-derived phosphine-oxazolines (PHOX) complexed with iridium were successfully applied for the asymmetric hydrogenation of the carbon–carbon double bond of exocyclic α,β-unsaturated carbonyl compounds. The reactions provided α-chiral cyclic ketones, lactones, and lactams in high yields and good to excellent enantioselectivity of up to 95 % ee. Bn=benzyl.
- Tripodal Fluorescent Sensor for Encapsulation-Based Detection of Picric Acid in Water
Rahul Kumar, Sana Sandhu, Dr. Prabhpreet Singh, Prof. Dr. Geeta Hundal, Prof. Dr. Maninder Singh Hundal and Prof. Dr. Subodh Kumar
Article first published online: 16 APR 2014 | DOI: 10.1002/ajoc.201402008
Explosive results: The encapsulation of picrate anions in a preorganized tripodal 1-(4-biphenyl)benzimidazolium-based chemosensor results in a sensitivity for sensing picrate anions down to 1 nM concentration in aqueous buffer and 137 ag cm−2 by using a contact-mode method.
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- Structures and Reactivities of Iminium Ions Derived from Substituted Cinnamaldehydes and Various Chiral Imidazolidin-4-ones
Feng An, Shyeni Paul, Dr. Johannes Ammer, Dr. Armin R. Ofial, Dr. Peter Mayer, Dr. Sami Lakhdar and Prof. Dr. Herbert Mayr
Article first published online: 8 APR 2014 | DOI: 10.1002/ajoc.201402009
Worth its salt: Iminium salts derived from substituted cinnamaldehydes and imidazolidinones have been synthesized and characterized by X-ray crystallography. Kinetic investigations of their reactions with cyclic ketene acetals were performed to quantify their electrophilic reactivity.
- A Practical Synthesis of Chiral Oxazolines through a Highly Diastereoselective Coupling–Cyclization Reaction of N-(Buta-2,3-dienyl)amides and Aryl Iodides
Nan Wang, Bo Chen and Prof. Shengming Ma
Article first published online: 8 APR 2014 | DOI: 10.1002/ajoc.201400023
It’s got a ring to it! A highly trans diastereoselective synthesis of 2,4,5-trisubstituted oxazoline derivatives is described, which proceed through a palladium-catalyzed coupling–cyclization reaction of N-(buta-2,3-dienyl)amides with aromatic iodides. The highly enantioenriched oxazoline derivatives were easily prepared with excellent 1,2-induction by using optically active substrates. DMF=N,N-dimethylformamide.