A facile synthesis of 2-oxo-cyclopentenylphosphonates by carbonylation of zirconacyclopentenylphosphonate with oxalyl chloride |
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| Authors: | Abed Al Aziz Al Quntar |
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| Institution: | Department of Material Engineering, Faculty of Engineering, Al Quds University, PO Box 51000, Abu Deis, Jerusalem, Palestine |
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| Abstract: | Addition of oxalyl chloride to zirconacycles prepared from 1-alkynylphosphonates 1 zirconocene dichloride, and two equivalents of EtMgBr smoothly produced novel 2-oxo-cyclopentenylphosphonates 6 in 58–81% isolated yields in the presence of a copper catalyst. |
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| Keywords: | Vinylphosphonates Cyclopentenone Oxocyclopentenylphosphonates Oxalyl chloride Zirconacycle Carbonylation |
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