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公开(公告)号：US5231218A
公开(公告)日：1993-07-27
申请号：US965307
申请日：1992-10-23
IPC分类号： B01J27/18 , B01J27/188 , C07B37/08 , C07B61/00 , C07C67/293 , C07C67/333 , C07C69/75
CPC分类号： C07C67/293
摘要： Provided is a fixed bed heterogeneous catalyst that promotes the isomerization of cis/trans-DMCD to trans-DMCD in economical fashion with short reaction times and in high purity. The catalyst is preferably H.sub.3 PO.sub.4 on a metal oxide, said metal oxide selected from a group consisting of ZrO.sub.2, TiO.sub.2, Al.sub.2 O.sub.3, and HfO.sub.2, or a tungsten-modified ZrO.sub.2.
摘要翻译： 提供了一种固定床多相催化剂，其以经济的方式促进顺式/反式-DMCD异构化为反式DMCD，反应时间短且纯度高。 催化剂优选为金属氧化物上的H 3 PO 4，所述金属氧化物选自ZrO 2，TiO 2，Al 2 O 3和HfO 2，或钨改性的ZrO 2。
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2.发明授权Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1, 3-propanediol 失效用于制备2-乙基-2-（羟甲基）己醛和2-丁基-2-乙基-1,3-丙二醇的连续方法
公开(公告)号：US5235118A
公开(公告)日：1993-08-10
申请号：US937039
申请日：1992-08-31
摘要： Disclosed is a continuous process for the manufacture of 2-ethyl-2-(hydroxymethyl)hexanal wherein 2-ethylhexanal, formaldehyde and a tertiary amine are continuously fed to a reaction zone and crude product comprising an aqueous phase and an organic phase containing 2-ethyl-2-(hydroxymethyl)hexanal and 2-ethylhexanal is continuously removed from the reaction zone Also disclosed are processes for (1) the azeotropic distillation of the organic phase of the crude product whereby unreacted 2-ethylhexanal is recovered and (2) the catalytic hydrogenation of the refined, organic phase of the crude product to produce 2-butyl-2-ethyl-1,3-propanediol.
摘要翻译： 公开了用于制备2-乙基-2-（羟甲基）己醛的连续方法，其中将2-乙基己醛，甲醛和叔胺连续加入到反应区中，粗产物包含水相和含2- 乙基-2-（羟甲基）己醛和2-乙基己醛从反应区连续除去。还公开了（1）粗产物的有机相的共沸蒸馏的方法，从而回收未反应的2-乙基己醛，（2） 催化氢化粗产物的精制有机相，生成2-丁基-2-乙基-1,3-丙二醇。
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3.发明授权Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl) hexanal and 2-butyl-2-theyl-1,3-propanediol 失效用于制备2-乙基-2-（羟甲基）己醛和2-丁基-2-己基-1,3-丙二醇的连续方法
公开(公告)号：US5146004A
公开(公告)日：1992-09-08
申请号：US735575
申请日：1991-07-25
IPC分类号： B01J23/755 , B01J31/02 , C07B61/00 , C07C29/141 , C07C31/20 , C07C45/75 , C07C45/83 , C07C45/84 , C07C47/19
摘要： Disclosed is a continuous process for the manufacture of 2-ethyl-2-(hydroxymethyl)hexanal wherein 2-ethylhexanal, formaldehyde and a tertiary amine are continuously fed to a reaction zone and crude product comprising an aqueous phase and an organic phase containing 2-ethyl-2-(hydroxymethyl)hexanal and 2-ethylhexanal is continuously removed from the reaction zone. Also disclosed are processes for (1) the azeotropic distillation of the organic phase of the crude product whereby unreacted 2-ethylhexanal is recovered and (2) the catalytic hydrogenation of the refined, organic phase of the crude product to produce 2-butyl-2-ethyl-1,3-propanediol.
摘要翻译： 公开了用于制备2-乙基-2-（羟甲基）己醛的连续方法，其中将2-乙基己醛，甲醛和叔胺连续加入到反应区中，粗产物包含水相和含2- 乙基-2-（羟甲基）己醛和2-乙基己醛从反应区连续除去。 还公开了（1）粗产物的有机相的共沸蒸馏的方法，由此回收未反应的2-乙基己醛和（2）粗产物的精制有机相的催化氢化，得到2-丁基-2 - 乙基-1,3-丙二醇。
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4.发明授权Continuous process for the recovery of 2 ethylhexanal and a tertiary amine from a mixture comprising 2-ethyl-2-(hydroxymethyl) hexanal, 2-ethylhexanal, tertiary amine and water 失效从包含2-乙基-2-（羟甲基）己醛，2-乙基己醛，叔胺和水的混合物中回收2-乙基己醛和叔胺的连续方法
公开(公告)号：US5177267A
公开(公告)日：1993-01-05
申请号：US886917
申请日：1992-05-22
摘要： Disclosed is a continuous process for the manufacture of 2-ethyl-2-(hydroxymethyl)hexanal wherein 2-ethylhexanal, formaldehyde and a tertiary amine are continuously fed to a reaction zone and crude product comprising an aqueous phase and an organic phase containing 2-ethyl-2-(hydroxymethyl)hexanal and 2-ethylhexanal is continuously removed from the reaction zone. Also disclosed are processes for (1) the azeotropic distillation of the organic phase of the crude product whereby unreacted 2-ethylhexanal is recovered and (2) the catalytic hydrogenation of the refined, organic phase of the crude product to produce 2-butyl-2-ethyl-1,3-propanediol.
摘要翻译： 公开了用于制备2-乙基-2-（羟甲基）己醛的连续方法，其中将2-乙基己醛，甲醛和叔胺连续加入到反应区中，粗产物包含水相和含2- 乙基-2-（羟甲基）己醛和2-乙基己醛从反应区连续除去。 还公开了（1）粗产物的有机相的共沸蒸馏的方法，由此回收未反应的2-乙基己醛和（2）粗产物的精制有机相的催化氢化，得到2-丁基-2 - 乙基-1,3-丙二醇。
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