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公开(公告)号:US06207840B1
公开(公告)日:2001-03-27
申请号:US09463509
申请日:2000-01-24
申请人: David John Ritchie , Hannah Sallie Robertson McCann , Jennifer Ann White , Kirstin MacCormick , Raymond Vincent Heavon Jones , Robin Fieldhouse
发明人: David John Ritchie , Hannah Sallie Robertson McCann , Jennifer Ann White , Kirstin MacCormick , Raymond Vincent Heavon Jones , Robin Fieldhouse
IPC分类号: C07D31104
CPC分类号: C07D311/76
摘要: 3-Isochromanone is prepared by contacting an o-xylene-&agr;,&agr;′-dihalide with carbon monoxide in a two-phase liquid medium, in which one phase is aqueous and the other phase is water-immiscible, in the presence of a catalyst and a hindered amine base.
摘要翻译: 3-异色满酮是通过在二相液体介质中将邻二甲苯-α,α'-二卤化物与一氧化碳接触而制备的,其中一相为水相,另一相为水不混溶,在催化剂存在下 和受阻胺碱。