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公开(公告)号:US5426209A
公开(公告)日:1995-06-20
申请号:US256286
申请日:1994-07-06
CPC分类号: B01J23/8926 , C07C68/00 , B01J21/18
摘要: The process of the present invention is characterized in that when a carbonic acid diester is produced by catalytically reacting carbon monoxide with a nitrous acid ester in the presence of a solid catalyst, a small amount of a chloroformic acid ester is mixed into a material gas containing the carbon monoxide and the nitrous acid ester and thereby the catalyst employed can be maintained at a high activity condition over a long time period, and the carbonic acid diester can be produced stably over a long time period at a high reaction rate and with a high selectivity.
摘要翻译: PCT No.PCT / JP93 / 01610 Sec。 371日期:1994年7月6日 102(e)日期1994年7月6日PCT 1993年11月5日PCT公布。 第WO94 / 11335号公报 日期:1994年5月26日本发明的方法的特征在于,当在固体催化剂存在下,通过使一氧化碳与亚硝酸酯催化反应制备碳酸二酯时,少量的氯甲酸酯为 混入含有一氧化碳和亚硝酸酯的原料气体中,因此所用的催化剂可以长时间保持在高活性条件下,并且可以在高温下长时间稳定地制备碳酸二酯 反应速率和高选择性。
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公开(公告)号:US5403949A
公开(公告)日:1995-04-04
申请号:US99724
申请日:1993-07-29
申请人: Noriaki Manada , Masato Murakami , Koji Abe , Yasushi Yamamoto , Toshio Kurafuji
发明人: Noriaki Manada , Masato Murakami , Koji Abe , Yasushi Yamamoto , Toshio Kurafuji
CPC分类号: C07C68/00
摘要: A carbonic acid diester is produced, at a high reaction rate with a high selectivity and stability, by catalytically reacting carbon monoxide with a nitrous acid ester, preferably in a gas phase, in the presence of a solid catalyst composed of a solid carrier and a catalytic solid material deposited on the carrier and comprising:(1) a first catalyst component comprising at least one member selected from the group consisting of platinum group metals and compounds thereof;(2) a second catalyst component comprising at least one member selected from the group consisting of lanthanide group metals and compounds thereof; andcollecting the resultant carbonic acid diester from a reaction mixture discharged from the catalytic reaction step.
摘要翻译: 通过催化反应一氧化碳与亚硝酸酯,优选在气相中,在由固体载体和固体载体组成的固体催化剂的存在下,以高选择性和稳定性的高反应速率生产碳酸二酯 沉积在载体上的催化固体材料,包括:(1)第一催化剂组分,其包含选自铂族金属及其化合物中的至少一种; (2)第二催化剂组分,其包含选自镧系元素金属及其化合物中的至少一种; 并从催化反应步骤排出的反应混合物中收集所得的碳酸二酯。
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