公开(公告)号：US20230145982A1

公开(公告)日：2023-05-11

申请号：US17796291

申请日：2021-02-01

Applicant: BASF SE

Inventor： Florian Vogt ,  Kailaskumar Borate ,  Bernd Wolf ,  Christopher Koradin ,  Joachim Gebhardt ,  Roland Goetz ,  Harish Shinde

IPC: C07D271/06

CPC classification number: C07D271/06

Abstract: The present invention relates to a process for the preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles of formula I, which can be obtained through reaction of amidoxime compounds of formula II with a haloacetic ester in the presence of a solvent and a base.

公开(公告)号：US20230100114A1

公开(公告)日：2023-03-30

申请号：US17917301

申请日：2021-04-06

Applicant: BASF SE

Inventor： Kailaskumar Borate ,  Saravanan Thirunavukkarasu ,  Rahul Kaduskar ,  Harish Shinde ,  Roland Goetz

IPC: C07C209/10 ,  B01J31/22 ,  B01J31/18

Abstract: The presently claimed invention relates to a process for the preparation of di-, tri-, or tetra fluoroarylamine by reacting polyfluorinated aryl chlorides with ammonia in the presence of a base, a metal catalyst and a ligand. Di-, tri-, tetrafluoroarylamines are valuable intermediates and find application in several areas, mainly in epoxy polymers, colorants, dyes, polyurethanes, agrochemicals and pharmaceutical active agents.

公开(公告)号：US11358922B2

公开(公告)日：2022-06-14

申请号：US16756961

申请日：2018-10-31

Applicant: BASF SE

Inventor： Daniel Saelinger ,  Philip Muelheims ,  Helmut Zech ,  Roland Goetz

IPC: C07C41/16 ,  C07C43/176 ,  C07C41/01 ,  C07C43/166

Abstract: The present invention relates to a process for preparing 4-chlorobenzyl propargylether comprising a step (a) of reacting 4-chlorobenzyl chloride with propargyl alcohol in the presence of a base and a phase transfer catalyst, wherein the reaction mixture comprises at least two phases, wherein one phase is an organic phase and one phase is an aqueous phase.