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First Catalytic and Green Synthesis of Aryl-(Z)-vinyl Chlorides and Its Plausible Addition−Elimination Mechanism

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journal contribution
posted on 15.03.2007, 00:00 by Weike Su, Can Jin
Via a catalytic cycle in the presence of scandium triflate (2 mol %)/DMF (1 mol %)/benzoyl chloride (5 mol %), aromatic ketones were treated with bis(trichloromethyl) carbonate (BTC) to afford aryl-(Z)-vinyl chlorides. All metal triflates tested in the reaction showed highly catalytic activity. A plausible addition−elimination mechanism was proposed. The present work describes the first catalytic and green route to the synthesis of aryl-(Z)-vinyl chlorides.

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