Invention Grant
- Patent Title: Process for preparing 4-chlorobenzyl propargyl ether
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Application No.: US16756961Application Date: 2018-10-31
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Publication No.: US11358922B2Publication Date: 2022-06-14
- Inventor: Daniel Saelinger , Philip Muelheims , Helmut Zech , Roland Goetz
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP17199691.1 20171102
- International Application: PCT/EP2018/079887 WO 20181031
- International Announcement: WO2019/086545 WO 20190509
- Main IPC: C07C41/16
- 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.
Public/Granted literature
- US20200331829A1 PROCESS FOR PREPARING 4-CHLOROBENZYL PROPARGYL ETHER Public/Granted day:2020-10-22
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