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Hydroxyapatite-Supported Palladium-Catalyzed Efficient Synthesis of (E)-2-Alkene-4-ynecarboxylic Esters. Intense Fluorescene Emission of Selected Compounds

Brindaban C. Ranu*, Laksmikanta Adak and Kalicharan Chattopadhyay

*Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India, Email:

B. C. Ranu, L. Adak, K. Chattopadhyay, J. Org. Chem., 2008, 73, 5609-5612.

DOI: 10.1021/jo800209z (free Supporting Information)


A simple procedure for the synthesis of substituted (E)-2-alkene-4-ynecarboxylic esters has been achieved using hydroxyapatite-supported palladium as efficient catalyst surface. The highly efficient catalyst can be recycled.

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A New Route to the Synthesis of (E)- and (Z)-2-Alkene-4-ynoates and Nitriles from vic-Diiodo-(E)-alkenes Catalyzed by Pd(0) Nanoparticles in Water

B. C. Ranu, K. Chattopadhyay, Org. Lett., 2007, 9, 2409-2412.

Key Words

Enynes, Heck Reaction, Elimination

ID: J42-Y2008-1960