发明名称 Preparation of ketones
摘要 A process to produce Methyl Amyl Ketone heterogeneously via the cross-aldol condensation reaction between a C3 (isopropanol or acetone feed) and a C4 (butanol or butyraldehyde feed). The catalyst, hydrogen reduced copper oxide on gamma alumina, produces both high reactivity and long catalyst lifetimes. The catalyst is successfully regenerated. Efficiencies to MAK range from 50 to 80 wt. % and efficiencies to useful products range from 75 to 95 wt. % depending on the composition of the feed and temperature. Temperatures range from 200 DEG to 262 DEG C. In general, this catalyst readily catalyzes the cross-aldol condensation reaction between aldehydes (or primary alcohols) and ketones (or secondary alcohols) to produce higher molecular weight ketones; likewise, this catalyst catalyzes the aldol condensation reaction between the same or different ketones to again produce higher molecular weight ketones.
申请公布号 US4739122(A) 申请公布日期 1988.04.19
申请号 US19850788930 申请日期 1985.10.18
申请人 UNION CARBIDE CORPORATION 发明人 LETTS, JOHN B.
分类号 C07C45/00;C07C45/62;C07C45/66;C07C45/72;C07C45/73;C07C45/74;(IPC1-7):C07C45/45 主分类号 C07C45/00
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