中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

36 records (took 0.02 seconds)

    SYNTHESIS OF CHROMANOL DERIVATIVES
    11.
    发明申请
    SYNTHESIS OF CHROMANOL DERIVATIVES 有权

    公开(公告)号：US20210309627A1

    公开(公告)日：2021-10-07

    申请号：US17268985

    申请日：2019-08-16

    Applicant: BASF SE

    Inventor： Melanie WEINGARTEN ,  Wolfgang SIEGEL ,  Michael PUHL

    IPC: C07D311/72

    Abstract: The present invention relates to a process for the production of chromanol derivatives, more specifically to a process for preparing a compound of the general formula I wherein R1, R2 and R3 independently of each other are selected from hydrogen and methyl, R4 is selected from C-1-C6-alkyl, and X is selected from C1-C20-alkyl and C2-C20-alkenyl.

    METHOD FOR THE ISOMERIZATION OF A 3-(Z)-UNSATURATED CARBOXYLIC ACID TO THE 3-(E)-ISOMER
    12.
    发明申请
    METHOD FOR THE ISOMERIZATION OF A 3-(Z)-UNSATURATED CARBOXYLIC ACID TO THE 3-(E)-ISOMER 有权

    公开(公告)号：US20210009495A1

    公开(公告)日：2021-01-14

    申请号：US16969680

    申请日：2019-02-13

    Applicant: BASF SE

    Inventor： Mathias SCHELWIES ,  Wolfgang SIEGEL ,  Rocco PACIELLO ,  Andreas KELLER

    IPC: C07C51/353 ,  C07C51/09 ,  C12P7/64

    Abstract: The present invention relates to a method for isomerizing a 3-(Z)-unsaturated carboxylic acid of the formula 1-Z or a salt thereof, wherein R2 is C1-C24-alkyl, C2-C24-alkenyl having 1, 2, 3 or more than 3 C—C double bonds, unsubstituted or substituted C5-C12-cycloalkyl, or unsubstituted or substituted aryl; R1 is hydrogen or has one of the definitions specified for R2; with the proviso that R2 has a higher priority than R1 in accordance with IUPAC; to give a 3-(E)-unsaturated carboxylic acid of the formula I-E or a salt thereof, wherein the isomerization of the compound of the formula 1-Z is effected in the presence of an anhydride of an organic acid and a base or in the presence of a ketene of formula CR11R12C(0), wherein R11 and R12 are as defined in the claims and in the specification and a base. In particular, the present invention relates to a method for preparing compositions with increased content of (3E,7E)-homofarnesylic acid starting from compositions comprising (3Z,7E)- and (3E,7E)-homofarnesylic acid.

    ENZYMATIC CYCLIZATION OF HOMOFARNESYLIC ACID
    13.
    发明申请
    ENZYMATIC CYCLIZATION OF HOMOFARNESYLIC ACID 审中-公开

    公开(公告)号：US20190144899A1

    公开(公告)日：2019-05-16

    申请号：US15999299

    申请日：2017-02-20

    Applicant: BASF SE

    Inventor： Michael BREUER ,  Wolfgang SIEGEL ,  Stefan RUEDENAUER ,  Ralf PELZER

    IPC: C12P17/04

    Abstract: The present invention relates to processes for the preparation of sclareolide and related compounds by the biocatalytic cyclization of polyunsaturated carboxylic acid compounds, in particular of homofarnesylic acid and related compounds; and to a process for the preparation of ambroxide via the biocatalytic cyclization of homofarnesylic acid to sclareolide.

    Production of Pyripyropenes from Dry Biomass
    14.
    发明申请
    Production of Pyripyropenes from Dry Biomass 审中-公开
    从干燥的生物质生产双氯虫

    公开(公告)号：US20160046645A1

    公开(公告)日：2016-02-18

    申请号：US14778788

    申请日：2014-03-03

    Applicant: BASF SE

    Inventor： Burkhard ERNST ,  Manfred EHRESMANN ,  Christopher KORADIN ,  Andreas PLETSCH ,  Melanie BONNEKESSEL ,  Thomas KAEDING ,  Karin SCHEIN-ALBRECHT ,  Stefanie DEMMING ,  Franz WEBER ,  Wolfgang SIEGEL ,  Hartwig SCHROEDER ,  Stephan FREYER ,  Peter OEDMAN

    IPC: C07D493/04 ,  C12P17/18 ,  A01N43/40

    CPC classification number: C07D493/04 ,  A01N43/40 ,  C12P17/181

    Abstract: The invention pertains to processes to produce dry biomass of pyripyropene producer organisms, processes to obtain pyripyropenes from such dry biomass, as well as to processes to produce compounds of Formula III and/or Formula IV and/or Formula V from the pyripyropenes obtained from the dry biomass. The invention does further pertain to the dry biomass itself, as well as processes using said dry biomass to obtain pyripyropenes for the production of compounds of Formula III and/or Formula IV and/or Formula V, including processes using said dry biomass to obtain pyripyropenes or compounds of Formula III and/or Formula IV and/or Formula V in order to produce pest control compositions, in particular insecticides, comprising such compounds.

    Abstract translation: 本发明涉及产生拟南芥生产生物体的干生物质的方法，从这种干燥生物质获得拟南芥的方法，以及从得自二氯苯并呋喃衍生物的二氯代丙酸得到式III和/或式IV和/或式V化合物的方法 干生物量。 本发明进一步涉及干生物质本身，以及使用所述干生物质以获得用于生产式III和/或式IV和/或式V化合物的吡啶并苯的方法，包括使用所述干生物质获得吡啶并吡喃 或式III和/或式IV和/或式V的化合物，以便制备包含这些化合物的害虫控制组合物，特别是杀虫剂。

    PROCESS FOR RECOVERING 3-METHYLBUT-3-EN-1-OL
    17.
    发明申请
    PROCESS FOR RECOVERING 3-METHYLBUT-3-EN-1-OL 审中-公开

    公开(公告)号：US20200239394A1

    公开(公告)日：2020-07-30

    申请号：US16636474

    申请日：2018-08-10

    Applicant: BASF SE

    Inventor： Albert WERNER ,  Miriam BRU ROIG ,  Andrei-Nicolae PARVULESCU ,  Roland MINGES ,  Andreas KELLER ,  Stephan MAURER ,  Ulrich MUELLER ,  Wolfgang SIEGEL

    IPC: C07C29/80 ,  B01J29/70 ,  B01J37/02 ,  B01J37/08 ,  B01D3/14

    Abstract: The present invention relates to a process for recovering 3-methylbut-3-en-1-ol from a feed stream F1 comprising 3-methylbut-3-en-1-ol, one or more solvents, water, and isobutene, wherein 3-methylbut-3-en-1-ol, the one or more solvents and water are separated from isobutene by distillation, the process comprising subjecting the feed stream F1 to distillation conditions in a distillation unit, obtaining a bottoms stream B1 which is enriched in -methylbut-3-en-1-ol, in the one or more solvents and in water compared to the feed stream F1 subjec The present invention relates to a process for recovering 3-methylbut-3-en-1-ol from a feed stream F1 comprising 3-methylbut-3-en-1-ol, one or more solvents, water, and isobutene, wherein 3-methylbut-3-en-1-ol, the one or more solvents and water are separated from isobutene by distillation, the process comprising subjecting the feed stream F1 to distillation conditions in a distillation unit, obtaining a bottoms stream B1 which is enriched in -methylbut-3-en-1-ol, in the one or more solvents and in water compared to the feed stream F1 subjected to distillation conditions, and a top stream T1 which is enriched in isobutene, further subjecting the bottoms stream B1 to distillation conditions in a second distillation unit and obtaining a bottoms stream B2 which is enriched in 3-methylbut-3-en-1-ol compared to the bottoms stream B1 and a top stream T2 which is enriched in water compared to the bottoms stream B1, further subjecting the bottoms stream B2 to distillation conditions in a third distillation unit and obtaining a top stream T3 which is enriched in 3-methylbut-3-en-1-ol compared to the bottoms stream B2 and a bottoms stream B3. ted to distillation conditions, and a top stream T1 which is enriched in isobutene, further subjecting the bot-toms stream B1 to distillation conditions in a second distillation unit and obtaining a bottoms stream B2 which is enriched in 3-methylbut-3-en-1-ol compared to the bottoms stream B1 and a top stream T2 which is enriched in water compared to the bottoms stream B1, further subjecting the bottoms stream B2 to distillation conditions in a third distillation unit and obtaining a top stream T3 which is enriched in 3-methylbut-3-en-1-ol compared to the bottoms stream B2 and a bottoms stream B3.

    PROCESS FOR PURIFYING ASTAXANTHIN AND CANTHAXANTHIN
    19.
    发明申请
    PROCESS FOR PURIFYING ASTAXANTHIN AND CANTHAXANTHIN 有权

    公开(公告)号：US20170305850A1

    公开(公告)日：2017-10-26

    申请号：US15516216

    申请日：2015-10-01

    Applicant: BASF SE

    Inventor： Bernd SCHÄFER ,  Wolfgang SIEGEL

    IPC: C07C403/24

    CPC classification number: C07C403/24 ,  C07C2601/16 ,  C09B61/00 ,  C09B67/0096

    Abstract: The present invention relates to a process for purifying the xanthophylls astaxanthin and canthaxanthin.The process comprises suspending the xanthophyll in an organic solvent or solvent mixture, treating the suspension of the xanthophyll in the organic solvent or solvent mixture at elevated temperature, and subsequent separation off of the xanthophyll from the solvent by a solid-liquid separation, wherein the organic solvent is selected from ketones of the general formula (I) and mixtures of ketones of the general formula (I) where R1 is C1-C4 alkyl and R2 is selected from C1-C6 alkyl, C3-C8 cycloalkyl, phenyl and benzyl, wherein the phenyl rings in the two last-mentioned radicals are unsubstituted or can have 1 or 2 methyl groups, or R1 and R2 together are linear C4-C6 alkylene, which can bear 1, 2 or 3 methyl groups as substituents.

Patent Agency Ranking