METHOD FOR PRODUCING N-METHYL-P-TOLUIDINE FOR ITS USE AS ADDITIVE TO AVIATION GASOLINE Russian patent published in 2021 - IPC C07C209/18 C07C211/48 B01J21/02 B01J23/06 B01J23/72 

Abstract RU 2762263 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method for producing N-methyl-p-toluidine by interaction of p-toluidine with methanol, differ in that at least one catalyst is used that contains at least following amounts of components: from 47.5 to 60.5 wt.% of copper, from 15.2 to 19.5 wt.% of zinc, from 2.5 to 3.6 wt.% of aluminum, as well as from 16.2 to 24.5 wt.% of oxygen, and, if necessary, from 0 to 10 wt.% of carbon, wherein the total amount of copper, zinc, aluminum, oxygen, and, if necessary, carbon is at least 99 wt.% of the total amount of the catalyst.

EFFECT: method allows producing N-methyl-p-toluidine with high yield and high performance based on catalyst with long service life that does not contain carcinogenic metals or corresponding oxides.

8 cl, 1 dwg, 2 ex

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RU 2 762 263 C2

Authors

Gerdinand, Martina

Dost, Rajner

Kravinkel, Ralf

Kuella, Khans-Yurgen

Ullrikh, Daniel

Kurr, Patrik

Dates

2021-12-17Published

2017-12-19Filed