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

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

    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。

    Diarylphenoxy aluminum compounds
    7.
    发明授权
    Diarylphenoxy aluminum compounds 有权
    二芳基苯氧基铝化合物

    公开(公告)号:US07608742B2

    公开(公告)日:2009-10-27

    申请号:US11817468

    申请日:2006-03-03

    IPC分类号: C07C35/08 C07F5/06

    CPC分类号: C07F5/069

    摘要: The present invention relates to diarylphenoxyaluminum compounds which are obtainable by reacting a bis(diarylphenol) ligand of the formula (I) with an alkylaluminum compound and/or a complex aluminum hydride. The invention moreover relates to the use of such diarylphenoxyaluminum compounds as catalysts.Moreover, the invention relates to a method of producing isopulegol by cyclization of citronellal in the presence of diarylphenoxyaluminum compounds as catalysts.The invention also relates to a method of producing menthol by cyclization of citronellal in the presence of diarylphenoxyaluminum compounds as catalysts and subsequent hydrogenation.

    摘要翻译: 本发明涉及通过使式(I)的双(二芳基苯酚)配体与烷基铝化合物和/或络合氢化铝反应得到的二芳基苯氧基铝化合物。 本发明还涉及这种二芳基苯氧基铝化合物作为催化剂的用途。 此外,本发明涉及通过在二芳基苯氧基铝化合物作为催化剂的存在下环绕香茅醛来生产​​异ule醇的方法。 本发明还涉及在二芳基苯氧基铝化合物作为催化剂和随后的氢化存在下,通过香茅醛环化生产薄荷醇的方法。

    Diarylphenoxy Aluminum Compounds
    8.
    发明申请
    Diarylphenoxy Aluminum Compounds 有权
    二芳基苯氧基铝化合物

    公开(公告)号:US20080167504A1

    公开(公告)日:2008-07-10

    申请号:US11817468

    申请日:2006-03-03

    IPC分类号: C07C39/04 C07C35/12

    CPC分类号: C07F5/069

    摘要: The present invention relates to diarylphenoxyaluminum compounds which are obtainable by reacting a bis(diarylphenol) ligand of the formula (I) with an alkylaluminum compound and/or a complex aluminum hydride.The invention moreover relates to the use of such diarylphenoxyaluminum compounds as catalysts.Moreover, the invention relates to a method of producing isopulegol by cyclization of citronellal in the presence of diarylphenoxyaluminum compounds as catalysts.The invention also relates to a method of producing menthol by cyclization of citronellal in the presence of diarylphenoxyaluminum compounds as catalysts and subsequent hydrogenation.

    摘要翻译: 本发明涉及通过使式(I)的双(二芳基苯酚)配体与烷基铝化合物和/或络合氢化铝反应得到的二芳基苯氧基铝化合物。 本发明还涉及这种二芳基苯氧基铝化合物作为催化剂的用途。 此外,本发明涉及通过在二芳基苯氧基铝化合物作为催化剂的存在下环绕香茅醛来生产​​异ule醇的方法。 本发明还涉及在二芳基苯氧基铝化合物作为催化剂和随后的氢化存在下,通过香茅醛环化生产薄荷醇的方法。

    RECOVERY OF PHENOL LIGANDS DURING THE PRODUCTION OF ISOPULEGOL
    9.
    发明申请
    RECOVERY OF PHENOL LIGANDS DURING THE PRODUCTION OF ISOPULEGOL 有权
    在生产ISOPULEGOL期间恢复苯酚配体

    公开(公告)号:US20100016642A1

    公开(公告)日:2010-01-21

    申请号:US12439325

    申请日:2007-08-31

    IPC分类号: C07C35/17 C07C35/12

    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。

    Method For The Production Of Isopulegol
    10.
    发明申请
    Method For The Production Of Isopulegol 有权
    异丙醇的生产方法

    公开(公告)号:US20080207957A1

    公开(公告)日:2008-08-28

    申请号:US11722395

    申请日:2005-12-17

    IPC分类号: C07C29/00 C07C35/08

    摘要: The present invention relates to a process for the preparation of isopulegol of formula (I): comprising the cyclization of citronellal of formula (II): in the presence of a tris(aryloxy)aluminum catalyst, wherein the cyclization is carried out in the presence of I. at least one acid and/or II. at least one compound selected from the group comprising carboxylic anhydrides, aldehydes, ketones and vinyl ethers.

    摘要翻译: 本发明涉及一种制备式(I)异丙醇的方法:包括式(II)的香茅醛的环化:在三(芳氧基)铝催化剂存在下,其中环化在存在下进行 至少一种酸和/或II。 至少一种选自羧酸酐,醛,酮和乙烯基醚的化合物。