Asian Journal of Organic Chemistry

Cover image for Vol. 4 Issue 10

Editor: Richard Threlfall, Deputy Editor: Aileen Mitchell; Editorial Board Chairs: Sung Ho Kang, Keiji Maruoka, Deqing Zhang

Impact Factor: 3.318

ISI Journal Citation Reports © Ranking: 2014: 12/57 (Chemistry Organic)

Online ISSN: 2193-5815

Associated Title(s): Advanced Synthesis & Catalysis, Chemistry – An Asian Journal, ChemNanoMat, European Journal of Organic Chemistry

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January 20, 2014

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Recently Published Articles

  1. A Four-Component Domino Reaction: An Eco-Compatible Access to Diversified Imidazo[2,1-b][1,3]thiazin-5-ones

    Dr. Tanpreet Kaur, Preeti Wadhwa and Dr. Anuj Sharma

    Article first published online: 8 OCT 2015 | DOI: 10.1002/ajoc.201500344

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    All four one: A multicomponent domino reaction of thiourea, alkyl propiolates, aldehydes, and isocyanides has been established, providing direct access to 2-aryl-5 H-imidazo[2,1-b][1,3]thiazin-5-one scaffolds.

  2. Involudispirones A and B: Sesterterpenes Containing a Dispiro Ring from Stahlianthus involucratus

    Qiang-Ming Li, Prof. Jian-Guang Luo, Hui-Jun Zhao, Dr. Wen-Ying Yu, Dr. Xiao-Bing Wang, Dr. Ming-Hua Yang, Dr. Jun Luo, Prof. Hong-Bin Sun, Prof. Yi-Jun Chen, Prof. Qing-Long Guo and Prof. Ling-Yi Kong

    Article first published online: 8 OCT 2015 | DOI: 10.1002/ajoc.201500360

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    Get invol-ved: Involudispirones A (1) and B (2), a pair of cytotoxic sesterterpene stereoisomers containing a 1,2-dioxadispiro[]hexadecane ring, were isolated from the rhizomes of Stahlianthus involucratus. Their structures and absolute configurations were established on the basis of spectroscopic data and chemical conversion.

  3. Synthesis of Naphtho-Fused Imidazo[1,2-a]pyridines through Copper-Catalyzed Cascade Reactions

    Hitesh Kumar Saini, Pinku Kaswan, Kasiviswanadharaju Pericherla and Prof.  Anil Kumar

    Article first published online: 7 OCT 2015 | DOI: 10.1002/ajoc.201500297

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    More pi: A library of π-extended naptho-fused imidazo[1,2-a]pyridines were assembled by a copper-catalyzed cascade reaction using simple starting materials and mild reaction conditions. This protocol has high functional group tolerance and afforded the heterocyclic products in moderate to excellent yields (35–91 %). Photophysical studies show that these naphtho[1′,2′:4,5]imidazo[1,2-a]pyridines emit with high fluorescence quantum yields. EWG=electron-withdrawing group.

  4. You have free access to this content
    The Sialic Acids Waltz: Novel Stereoselective Isomerization of the 1,7-Lactones of N-Acetylneuraminic Acids into the Corresponding γ-Lactones and Back to the Free Sialic Acids

    Dr. Paola Rota, Prof. Pietro Allevi and Prof. Luigi Anastasia

    Article first published online: 6 OCT 2015 | DOI: 10.1002/ajoc.201500304

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    Free to dance? Sialic acid derivatives are important molecules in a range of biological processes. A high-yielding internal rearrangement of the 1,7-lactone of N-acetylneuraminic acid into its γ-lactone is reported. This is complemented by the subsequent conversion of that γ-lactone into the free parent sialic acid under optimized acidic and basic conditions.

  5. Rapid Access to New Thiazepinyl and Oxazepinyl Phosphonates through a Green Pudovik Reaction

    Debasmita Saha, Dr. Tanpreet Kaur, Neetu Singh, Prof. Udai P. Singh and Dr. Anuj Sharma

    Article first published online: 2 OCT 2015 | DOI: 10.1002/ajoc.201500338

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    No solvent, no catalyst: A rapid synthesis of novel dibenzothiazepinyl and dibenzoxazepinyl phosphonates has been achieved by an operationally simple green protocol.