Process for preparing tertiary polyalkenyl aminoether alcohols

Details Process for preparing tertiary polyalkenyl aminoether alcohols Process for preparing tertiary polyalkenyl aminoether alcohols

C - Chemistry, Metallurgy

07

D

260/293.5, 260/3

C07D 295/08 (2006.01) C07D 295/088 (2006.01)

Patent

CA 1229091

ABSTRACT OF THE DISCLOSURE A process is disclosed for producing tertiary poly- alkenyl aminoether alcohols comprising reacting: (a) one or more secondary acyclic or heterocyclic amino compounds respectively represented by the formulas: Image and where R1 and R2 are selected from the group consisting of primary, secondary and tertiary alkyl radicals having 1 to 8 carbon atoms and cycloalkyl radicals having 3 to 8 carbon atoms with the proviso that at least one of R1 and R2 is a secondary or tertiary alkyl radical, q is the number, from 2 to 10, of carbon atoms in the heterocyclic ring, and R3, which is optional, is selected from the group consisting of alkyl and cycloalkyl radicals which may be pendent on one or more of the carbon atoms of the ring; with (b) a polyalkenyl ether glycol having the general formula: Image where R4, R5, R6 and R7 are each independently selected from the group consisting of hydrogen, C1 to C4 alkyl radicals, and C3-C8 cycloalkyl radicals, with the proviso that if only one of R1 and R2 directly attached to the nitrogen atom is a secondary alkyl radical and neither of them is a tertiary alkyl radical, at least one of R4 and R5 directly bonded to the carbon which is bonded to the hydroxyl is an alkyl or cycloalkyl radical, x and y are each positive integers independently ranging from 2 to 4, and z is a positive integer ranging from 1 to 10, said process being carried out in the presence of a catalytically effective amount of a supported Group VIII metal containing hydrogenation catalyst at elevated temperatures and pressures, and wherein the mole ratio of amino compound to polyalkenyl ether glycol is less than 2:1 when z is greater than 1.

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