METHOD OF PRODUCING NORBORNYL ESTERS OF (METH)ACRYLIC ACID Russian patent published in 2020 - IPC C07C67/04 C07C69/54 

Abstract RU 2730856 C1

FIELD: chemistry.

SUBSTANCE: invention relates to methods of producing norbornyl(meth)acrylate, particularly a method of producing norbornyl(meth)acrylate by converting norbornene with (meth)acrylic acid in the presence of boron trifluoride as a catalyst, where a) feeding boron trifluoride in (meth)acrylic acid, b) loading the material is heated to temperature of 75 to 110 °C, c) adding norbornene; and d) obtaining norbornyl(meth)acrylate is separated from the reaction mixture, wherein the conversion is carried out in the presence of a stabilizer which inhibits polymerisation of (meth)acrylic acid and in the presence of oxygen.

EFFECT: task is to extract high-purity norbornyl(meth)acrylate from the reaction mixture with high output without using fractionated distillation.

13 cl, 1 tbl, 9 ex

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RU 2 730 856 C1

Authors

Misske, Andrea

Flekkenshtajn, Kristof

Flajshkhaker, Friderike

Dates

2020-08-26Published

2018-01-22Filed