Chemistry of 2-Methylene-2,3-dihydrofuran-3-ones: XVIII. Reaction of Oxalyl Chloride with Acetophenone and Dibenzoylmethane |
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| Authors: | E N Koz'minykh N N Trapeznikova E A Chupilova N M Igidov and V O Koz'minykh |
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| Institution: | (1) Perm State Pharmaceutical Academy, P.O.Box 8519, Perm, 614051, Russia |
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| Abstract: | Treatment of acetophenone and dibenzoylmethane with excess oxalyl chloride gave heterocyclization products, 2-(3-oxo-5-phenyl-2,3-dihydrofuran-2-ylidene)-5-phenyl-2,3-dihydrofuran-3-one and a mixture of 4-benzoyl-5-phenyl-2,3-dihydrofuran-2,3-dione with 4-benzoyl-2-dibenzoylmethylene-5-phenyl-2,3-dihydrofuran-3-one. |
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