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    Process for the preparation of cis-alpha,beta substituted cyclopentanones
    1.
    发明授权
    Process for the preparation of cis-alpha,beta substituted cyclopentanones 有权

    公开(公告)号：US11339113B2

    公开(公告)日：2022-05-24

    申请号：US17273357

    申请日：2019-12-16

    Applicant: FIRMENICH SA

    Inventor： Denis Jacoby ,  Lucia Bonomo

    IPC: C07C67/327 ,  C07C69/716

    Abstract: Described herein is a process for the preparation of a mixture of compounds of formula having a weight ratio of the cis-diastereomers to trans-diastereoisomers higher than 1:1, where R1 represents a C1-8 alkyl group, a C2-8 alkenyl group or a C2-8 alkynyl group, each optionally substituted with one or two of a C1-4 alkyl alkoxy ether group and/or a C1-4 alkyl carboxylester group and R2 represents a C1-6 alkyl, a C2-6 alkenyl or a C2-6 alkynyl group, each optionally substituted with a C1-4 alkyl alkoxy ether group, a carboxylic acid group or a C1-4 alkyl carboxylester group and compounds suitable in the process.

    PROCESS FOR PREPARING A CYCLIC DIENE
    4.
    发明申请
    PROCESS FOR PREPARING A CYCLIC DIENE 有权

    公开(公告)号：US20250034074A1

    公开(公告)日：2025-01-30

    申请号：US18711332

    申请日：2022-11-24

    Applicant: FIRMENICH SA

    Inventor： Denis Jacoby ,  Simone Chappuis ,  Fabrice Keller

    IPC: C07C67/04

    Abstract: The present invention relates to the field of organic synthesis and more specifically it concerns a process for preparing compound of formula (I) comprising the reaction of a compound of the formula (II) with a base having a boiling point superior to the boiling point of the compound of formula (I). Moreover, the compound of formula (I) and the compound of formula (II) are also part of the invention.

    Process for the preparation of cis-alpha,beta substituted cyclopentanones
    5.
    再颁专利
    Process for the preparation of cis-alpha,beta substituted cyclopentanones 有权

    公开(公告)号：USRE50250E1

    公开(公告)日：2024-12-31

    申请号：US17866170

    申请日：2022-07-15

    Applicant: FIRMENICH SA

    Inventor： Denis Jacoby ,  Lucia Bonomo

    IPC: C07C67/327 ,  C07C69/716

    Abstract: Described herein is a process for the preparation of a mixture of compounds of formula having a weight ratio of the cis-diastereomers to trans-diastereoisomers higher than 1:1, where R1 represents a C1-8 alkyl group, a C2-8 alkenyl group or a C2-8 alkynyl group, each optionally substituted with one or two of a C1-4 alkyl alkoxy ether group and/or a C1-4 alkyl carboxylester group and R2 represents a C1-6 alkyl, a C2-6 alkenyl or a C2-6 alkynyl group, each optionally substituted with a C1-4 alkyl alkoxy ether group, a carboxylic acid group or a C1-4 alkyl carboxylester group and compounds suitable in the process.

    PROCESS FOR THE PREPARATION OF CIS-ALPHA,BETA SUBSTITUTED CYCLOPENTANONES
    6.
    发明申请
    PROCESS FOR THE PREPARATION OF CIS-ALPHA,BETA SUBSTITUTED CYCLOPENTANONES 有权

    公开(公告)号：US20210323904A1

    公开(公告)日：2021-10-21

    申请号：US17273357

    申请日：2019-12-16

    Applicant: FIRMENICH SA

    Inventor： Denis Jacoby ,  Lucia Bonomo

    IPC: C07C67/327 ,  C07C69/716

    Abstract: Described herein is a process for the preparation of a mixture of compounds of formula having a weight ratio of the cis-diastereomers to trans-diastereoisomers higher than 1:1, where R1 represents a C1-8 alkyl group, a C2-8 alkenyl group or a C2-8 alkynyl group, each optionally substituted with one or two of a C1-4 alkyl alkoxy ether group and/or a C1-4 alkyl carboxylester group and R2 represents a C1-6 alkyl, a C2-6 alkenyl or a C2-6 alkynyl group, each optionally substituted with a C1-4 alkyl alkoxy ether group, a carboxylic acid group or a C1-4 alkyl carboxylester group and compounds suitable in the process.

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