METHOD FOR OBTAINING 6-UNDECANONE AND ITS DERIVATIVES Russian patent published in 2023 - IPC C12P7/40 C12P7/04 C12P7/6409 C12N1/20 C07C45/48 C07C49/04 C07C51/12 C12R1/145 

FIELD: chemistry.

SUBSTANCE: inventions group relates to the production of 6-undecanone, 6-undecanol and lauric acid using a combined biotechnological and chemical method. Ethanol and/or acetate is brought into contact with a microorganism selected from Clostridium carboxidivorans and Clostridium kluyveri capable of carrying out carbon chain extension to produce hexanoic acid and/or its ester from ethanol and/or acetate. The hexanoic acid and/or its ester is extracted using an extractant in an aqueous medium. The extractant contains an alkyl phosphine oxide and an alkane containing at least 12 carbon atoms. The hexanoic acid and/or its ester is brought into contact with a ketonization catalyst and with an additional alkanoic acid containing from 1 to 22 carbon atoms under suitable reaction conditions for the chemical ketonization of hexanoic acid and further of the additional alkanoic acid to 6-undecanone. Further, to obtain 6-undecanol, 6-undecanone is brought into contact with a metal hydrogenation catalyst. To obtain lauric acid, 6-undecanol is brought into contact with CO₂ and a homogeneous carboxylation catalyst.

EFFECT: inventions provide efficient production of 6-undecanol and its derivatives and preservation of viability of microbial cells.

14 cl, 1 dwg, 14 ex