METHOD OF PRODUCING ALDEHYDE COMPOUND AND ACETAL COMPOUND Russian patent published in 2019 - IPC C07C45/59 C07C45/42 C07C47/12 C07D317/26 

FIELD: chemistry.

SUBSTANCE: disclosed is a method of producing 3-methylglutaraldehyde, involving a step for hydrolysis of a compound represented by the following general formula (1):

,

where R¹ and R² are joined together, being an alkylene group containing 2–6 carbon atoms, and a step where a compound represented by the following general formula (2) is reacted:

,

where R³ and R⁴ are joined together, being an alkylene group containing 2–6 carbon atoms, for hydroformylation, to obtain a compound represented by the following general formula (1). Also disclosed is a compound of general formula (3):

.

In which R⁵ represents a linear alkylene group containing 2 or 4–6 carbon atoms.

EFFECT: technical result is providing a method of producing MGL (3-methyl-1,5-petandial) with good output in mild conditions and a new acetal compound.

3 cl, 5 ex, 6 dwg