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42 条记录 (耗时 0.023 秒)

    Recovery of phenol ligands during the production of isopulegol
    6.
    发明授权
    Recovery of phenol ligands during the production of isopulegol 有权
    在异丙醇的生产过程中苯酚配体的回收

    公开(公告)号：US08003829B2

    公开(公告)日：2011-08-23

    申请号：US12439325

    申请日：2007-08-31

    申请人： Gunnar Heydrich ,  Gabriele Gralla ,  Klaus Ebel ,  Marko Friedrich

    发明人： Gunnar Heydrich ,  Gabriele Gralla ,  Klaus Ebel ,  Marko Friedrich

    IPC分类号： C07C35/08 ,  C07C35/12 ,  C07C29/80

    CPC分类号： C07C29/80 ,  B01J31/0214 ,  B01J31/143 ,  B01J31/4015 ,  C07B2200/07 ,  C07C29/172 ,  C07C29/56 ,  C07C35/12 ,  C07C35/17 ,  C07C2601/14 ,  Y02P20/584

    摘要： The present invention relates to a method of working up an aluminum-containing reaction product from the production of isopulegol by cyclization of citronellal in the presence of complex compounds, comprising at least one ligand of the formula (I), where R1, R2, R3 are chosen from hydrogen, halogen, nitro, C1-C8-alkyl, C1-C8-alkoxy, di(C1-C4-alkyl)amino and aryl; R4, R5 are chosen from halogen, nitro, C1-C8-alkyl, C1-C8-alkoxy, di(C1-C4-alkyl)amino, aryl or heteroaryl; in which a) the reaction product is subjected to distillative separation to obtain an isopulegol-enriched top product and an isopulegol-depleted bottom product and b) the ligand of the formula (I) is separated off from the bottom product. Moreover, the invention relates to a method of producing isopulegol, and to a method of producing menthol.

    摘要翻译： 本发明涉及一种通过在复合化合物存在下环绕香茅醛来制备含铝反应产物的方法，所述复合化合物包含至少一种式（I）的配体，其中R1，R2，R3 选自氢，卤素，硝基，C 1 -C 8 - 烷基，C 1 -C 8 - 烷氧基，二（C 1 -C 4 - 烷基）氨基和芳基; R4，R5选自卤素，硝基，C1-C8-烷基，C1-C8-烷氧基，二（C1-C4-烷基）氨基，芳基或杂芳基; 其中a）将反应产物进行蒸馏分离，以获得富含异头翁醇的顶部产物和异胡列胆素的底部产物，和b）将式（I）的配体与底部产物分离。 此外，本发明涉及一种生产异胡母醇的方法和一种制备薄荷醇的方法。

    RECOVERY OF BIS(DIARYLPHENOL) LIGANDS DURING THE PRODUCTION OF ISOPULEGOL
    8.
    发明申请
    RECOVERY OF BIS(DIARYLPHENOL) LIGANDS DURING THE PRODUCTION OF ISOPULEGOL 有权
    在ISOPULEGOL生产过程中恢复BIS（DIARYLPHENOL）配体

    公开(公告)号：US20100010253A1

    公开(公告)日：2010-01-14

    申请号：US12439270

    申请日：2007-08-31

    申请人： Gunnar Heydrich ,  Gabriele Gralla ,  Klaus Ebel

    发明人： Gunnar Heydrich ,  Gabriele Gralla ,  Klaus Ebel

    IPC分类号： C07C29/14 ,  C07C29/17 ,  C07C37/68 ,  C07C45/78 ,  C07C67/48

    CPC分类号： C07C29/56 ,  B01J31/0214 ,  B01J31/143 ,  B01J31/4015 ,  B01J2531/31 ,  C07B2200/07 ,  C07C29/172 ,  C07C29/80 ,  C07C2601/14 ,  Y02P20/584 ,  C07C35/12 ,  C07C35/17

    摘要： The present invention relates to a method of working up an aluminium-containing reaction product from the production of isopulegol by cyclization of citronellal in the presence of complex compounds, comprising at least one ligand of the formula (I), where Ar1, Ar2, Ar3, Ar4 are chosen from C6-C15-aryl or C2-C15-hetero; R1, R2, R3, R4 are chosen from H, C1-C6-alkyl, C1-C6-perfluoroalkyl, C1-C6-alkoxy, C7-C12-aralkyl, halogen, SiR5bR6bR7b, C6-C10-aryl, NR8bR9b, SR10b, NO2; and where R1 or R2 and/or R3 or R4, together with A, can form an aromatic or nonaromatic cycle; etc.; in which a) the aluminum-containing reaction product is subjected to distillative separation, b) the isopulegol-depleted bottom product is brought into close contact with an aqueous base and c) the ligand of the formula (I) is separated off from the organic phase, preferably by crystallization. Moreover, the invention relates to a method of producing isopulegol, and to a method of producing menthol.

    摘要翻译： 本发明涉及一种通过在络合物存在下使香茅醛环化制备异胡醇的方法，所述复合化合物包含至少一种式（I）的配位体，其中Ar 1，Ar 2，Ar 3 ，Ar 4选自C 6 -C 15 - 芳基或C 2 -C 15 - 杂原子; R1，R2，R3，R4选自H，C1-C6-烷基，C1-C6-全氟烷基，C1-C6-烷氧基，C7-C12-芳烷基，卤素，SiR5bR6bR7b，C6-C10-芳基，NR8bR9b，SR10b， NO2; 并且其中R 1或R 2和/或R 3或R 4与A一起可以形成芳族或非芳族化合物; 等等。; 其中a）使含铝反应产物进行蒸馏分离，b）将异底三醇消耗的底部产物与碱水溶液紧密接触，并且c）将式（I）的配体与有机物分离出来 相，优选通过结晶。 此外，本发明涉及一种生产异胡母醇的方法和一种制备薄荷醇的方法。

    Recovery of bis(diarylphenol) ligands during the production of isopulegol
    9.
    发明授权
    Recovery of bis(diarylphenol) ligands during the production of isopulegol 有权
    在异高粱生产期间回收双（二芳基苯酚）配体

    公开(公告)号：US08134034B2

    公开(公告)日：2012-03-13

    申请号：US12439270

    申请日：2007-08-31

    申请人： Gunnar Heydrich ,  Gabriele Gralla ,  Klaus Ebel

    发明人： Gunnar Heydrich ,  Gabriele Gralla ,  Klaus Ebel

    IPC分类号： C07C35/08 ,  C07C35/12 ,  C07C29/80

    CPC分类号： C07C29/56 ,  B01J31/0214 ,  B01J31/143 ,  B01J31/4015 ,  B01J2531/31 ,  C07B2200/07 ,  C07C29/172 ,  C07C29/80 ,  C07C2601/14 ,  Y02P20/584 ,  C07C35/12 ,  C07C35/17

    摘要： The present invention relates to a method of working up an aluminium-containing reaction product from the production of isopulegol by cyclization of citronellal in the presence of complex compounds, comprising at least one ligand of the formula (I), where Ar1, Ar2, Ar3, Ar4 are chosen from C6-C15-aryl or C2-C15-hetero; R1, R2, R3, R4 are chosen from H, C1-C6-alkyl, C1-C6-perfluoroalkyl, C1-C6-alkoxy, C7-C12-aralkyl, halogen, SiR5bR6bR7b, C6-C10-aryl, NR8bR9b, SR10b, NO2; and where R1 or R2 and/or R3 or R4, together with A, can form an aromatic or nonaromatic cycle; etc.; in which a) the aluminum-containing reaction product is subjected to distillative separation, b) the isopulegol-depleted bottom product is brought into close contact with an aqueous base and c) the ligand of the formula (I) is separated off from the organic phase, preferably by crystallization. Moreover, the invention relates to a method of producing isopulegol, and to a method of producing menthol.

    摘要翻译： 本发明涉及一种通过在络合物存在下使香茅醛环化制备异胡醇的方法，所述复合化合物包含至少一种式（I）的配位体，其中Ar 1，Ar 2，Ar 3 ，Ar 4选自C 6 -C 15 - 芳基或C 2 -C 15 - 杂原子; R1，R2，R3，R4选自H，C1-C6-烷基，C1-C6-全氟烷基，C1-C6-烷氧基，C7-C12-芳烷基，卤素，SiR5bR6bR7b，C6-C10-芳基，NR8bR9b，SR10b， NO2; 并且其中R 1或R 2和/或R 3或R 4与A一起可以形成芳族或非芳族化合物; 等等。; 其中a）使含铝反应产物进行蒸馏分离，b）将异底三醇消耗的底部产物与碱水溶液紧密接触，并且c）将式（I）的配体与有机物分离出来 相，优选通过结晶。 此外，本发明涉及一种生产异胡母醇的方法和一种制备薄荷醇的方法。

    METHOD FOR THE PRODUCTION OF 4,4'-[1-TRIFLUOROMETHYL)ALKYLIDENE]-BIS-(2,6-DIPHENYLPHENOLS)
    10.
    发明申请
    METHOD FOR THE PRODUCTION OF 4,4'-[1-TRIFLUOROMETHYL)ALKYLIDENE]-BIS-(2,6-DIPHENYLPHENOLS) 有权
    生产4,4' - [1-三氟甲基）亚苄基] -BIS-（2,6-二苯基苯酚）的方法

    公开(公告)号：US20100312020A1

    公开(公告)日：2010-12-09

    申请号：US12808865

    申请日：2008-12-17

    申请人： Gabriele Gralla ,  Gunnar Heydrich ,  Klaus Ebel ,  Wolfgang Krause

    发明人： Gabriele Gralla ,  Gunnar Heydrich ,  Klaus Ebel ,  Wolfgang Krause

    IPC分类号： C07C37/62 ,  C07C37/00

    CPC分类号： C07C45/74 ,  C07C37/07 ,  C07C37/20 ,  C07C37/62 ,  C07C49/613 ,  C07C49/653 ,  C07C39/15 ,  C07C39/367

    摘要： The present invention relates to a process for preparing 4,4′-[1-(trifluoromethyl)alkylidene]bis(2,6-diphenylphenols), in particular for preparing 4,4′-[1-(trifluoromethyl)ethylidene]bis(2,6-diphenylphenol), which comprises the self-condensation of cyclohexanone in the presence of a basic catalyst to form tricyclic condensation products, dehydrogenation of the resulting tricyclic condensation products in the presence of a supported transition metal catalyst in the condensed phase to form 2,6-diphenylphenol and reaction of the 2,6-diphenylphenol with a trifluoromethyl ketone. The invention further provides an improved process for preparing 2,6-diphenylphenol by aldol self-condensation of cyclohexanone.

    摘要翻译： 本发明涉及一种制备4,4' - [1-（三氟甲基）亚烷基]双（2,6-二苯基苯酚）的方法，特别是制备4,4' - [1-（三氟甲基）亚乙基]双（ 2,6-二苯基苯酚），其包括环己酮在碱性催化剂存在下的自缩合以形成三环缩合产物，所得三环缩合产物在冷凝相中负载的过渡金属催化剂存在下脱氢形成 2,6-二苯基苯酚和2,6-二苯基苯酚与三氟甲基酮的反应。 本发明还提供了通过环己酮的醛醇自缩合制备2,6-二苯基苯酚的改进方法。