Polystyrene-Supported Zinc Bromide-Ethylenediamine Complex as a Reusable and Highly Efficient Heterogeneous Catalyst for the Synthesis of α,β-Acetylenic Ketones
Ali Keivanloo*, Mohammad Bakherad, Bahram Bahramian, Mahrokh Rahmani, Sayed Ali Naghi Taheri
*Department of Chemistry, Tongji University, Siping Road
1239, Shanghai 200092, P. R. of China, Email: keivanloo
shahroodut.ac.ir
A. Keivanloo, M. Bakherad, B. Bahramian, M. Rahmani, S. A. N. Taheri, Synthesis, 2011, 325-329.
DOI: 10.1055/s-0030-1258365
Abstract
A polystyrene-supported zinc bromide-ethylenediamine complex is a useful, recyclable heterogeneous catalyst for the rapid and efficient synthesis of α,β-acetylenic ketones in very good yields by cross coupling of acid chlorides with terminal alkynes. The catalyst is easily prepared, stable, reusable, and efficient under the reaction conditions.
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Key Words
heterogeneous catalysis, cross-coupling, acid chlorides, alkynes, alkynyl ketones
ID: J66-Y2011-0130
