METHOD FOR PRODUCING HIGHER FATTY ALCOHOLS Russian patent published in 2023 - IPC C07C29/40 C07C31/125 

FIELD: chemistry.

SUBSTANCE: invention relates to a method for producing higher fatty alcohols, including a three-stage synthesis in a reactor. At the first stage, a reaction occurs between triethylaluminum (TEA) and ethylene in the presence of a promoting additive of a general form – R_nAlCl_3-n, where R is an alkyl radical with an even number of carbon atoms, and n is from 0 to 1, whereas R_nAlCl_3-n is used in an amount of 3 to 35 mol.% relative to triethylaluminum in an aliphatic or aromatic hydrocarbon solvent with a boiling point range of 60 to 300° C to form aluminium alkyls. At the second stage, the resulting aluminium alkyls are oxidized to obtain aluminium alkoxides. At the third stage, hydrolysis of aluminium alkoxides is carried out to obtain a mixture of higher fatty alcohols.

EFFECT: development of a method for obtaining higher fatty alcohols with a content of target C₁₂ and C₁₄ fractions of at least 16% and 14%, respectively, without the use of catalysts based on transition metals at the growth stage.

4 cl, 1 dwg, 1 tbl, 11 ex