USE OF POROUS POLYARYLENEPHTHALIDE TO INCREASE SELECTIVITY WHEN PRODUCING 4,4-DIMETHYL-1,3-DIOXANE Russian patent published in 2022 - IPC C07D319/06 B01J31/06 B01J27/16 

Abstract RU 2768818 C1

FIELD: chemistry.

SUBSTANCE: invention relates to basic organic and petrochemical synthesis, namely to use of porous polyarylenephthalide as a heterogeneous cocatalyst in amount of 3.5–5.0 wt. % of the reaction mass during formation of 4,4-dimethyl-1,3-dioxane by condensation of tert-butanol and formaldehyde.

EFFECT: increased selectivity of 4,4-dimethyl-1,3-dioxane formation.

1 cl, 1 tbl, 2 ex

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RU 2 768 818 C1

Authors

Talipov Rifkat Faatovich

Krajkin Vladimir Aleksandrovich

Vakulin Ivan Valentinovich

Tukhvatshin Vadim Salavatovich

Valiev Rail Ildarovich

Ishmuratov Gumer Yusupovich

Dates

2022-03-24Published

2021-03-16Filed