公开(公告)号：US11046632B2

公开(公告)日：2021-06-29

申请号：US16956957

申请日：2018-12-05

Applicant: BASF SE

Inventor： Nicolas Vautravers ,  Michaela Fenyn ,  Joseph John Zakzeski ,  Joaquim Henrique Teles

IPC: C07C45/29 ,  C07C45/38 ,  B01J23/42 ,  B01J21/18 ,  C07C47/21

Abstract: Process for the preparation of 3-methyl-2-buten-1-al, wherein 2-methyl-3-buten-2-ol is reacted to 3-methyl-2-buten-1-al in the presence of a catalyst, wherein the catalyst comprises a catalytically active metal and wherein the reaction is conducted at a pH of ≤7.

公开(公告)号：US11111197B2

公开(公告)日：2021-09-07

申请号：US16956972

申请日：2018-12-05

Applicant: BASF SE

Inventor： Michaela Fenyn ,  Joseph John Zakzeski ,  Nicolas Vautravers ,  Joaquim Henrique Teles

IPC: C07C45/38 ,  B01J23/42 ,  B01J23/44 ,  B01J23/52 ,  C07C47/21

Abstract: Process for the preparation of alpha, beta unsaturated aldehydes by oxidation of alcohols in the presence of a liquid phase.