Invention Grant
- Patent Title: Methods for producing (meth)acrylic acid norbornyl esters
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Application No.: US16480703Application Date: 2018-01-22
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Publication No.: US11028040B2Publication Date: 2021-06-08
- Inventor: Andrea Misske , Christoph Fleckenstein , Friederike Fleischhaker
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen am Rhein
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen am Rhein
- Agency: Faegre Drinker Biddle & Reath LLP
- Priority: EP17153566 20170127
- International Application: PCT/EP2018/051381 WO 20180122
- International Announcement: WO2018/138025 WO 20180802
- Main IPC: C07C67/62
- IPC: C07C67/62 ; C07C67/05 ; C07C67/04 ; C07C67/54

Abstract:
A method for preparing norbornyl (meth)acrylate by reacting norbornene with (meth)acrylic acid in the presence of boron trifluoride as catalyst, wherein a) boron trifluoride is initially charged in (meth)acrylic acid or an organic solvent, b) the initial charge is heated to a temperature of 75 to 110° C., c) norbornene is added or a mixture comprising norbornene and (meth)acrylic acid is added and d) the norbornyl (meth)acrylate obtained is isolated from the reaction mixture.
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