公开(公告)号：US20230118184A1

公开(公告)日：2023-04-20

申请号：US17907234

申请日：2021-03-22

Applicant: RHODIA OPERATIONS

Inventor： Valéry Dambrin

IPC: C07C43/23 ,  C07C41/26 ,  B01J23/42 ,  B01J23/44

Abstract: The present invention relates to a process for manufacturing para-eugenol and/or ortho-eugenol, comprising a step (i) of deallylation of at least one compound of formula (I): in which R1 and R2 are different, and are chosen from the group consisting of hydrogen and an allyl group (—CH2—CH═CH2)

公开(公告)号：US20230416182A1

公开(公告)日：2023-12-28

申请号：US18252823

申请日：2021-12-01

Applicant: RHODIA OPERATIONS

Inventor： Valéry Dambrin

IPC: C07C45/62 ,  C07C51/353 ,  C07C45/39 ,  C07C45/74 ,  A23L27/20

CPC classification number: C07C45/62 ,  C07C51/353 ,  C07C45/39 ,  C07C45/74 ,  A23L27/204

Abstract: The present invention relates to a process for preparing frambione, comprising a step of condensing phenol and glyoxylic acid.