Process for preparing N-alkane-N-alkanolamines

Details Process for preparing N-alkane-N-alkanolamines Process for preparing N-alkane-N-alkanolamines

1984-12-24

1986-08-12

Warren, Charles F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564506, 564463, C07C 9104, C07C 9112, C07C 9110, C07C 8706

Patent

active

046057722

ABSTRACT:
N-alkane-N-alkanolamines are prepared by (a) contacting an N-alkane-N-alkanolamine having more N-alkanolamine moieties than the product compound, with a haloalkane; (b) contacting the product of step (a) with a strong base; and (c) deprotonating the product of step (b). The method of the invention produces relatively pure compounds in high yield, from low-value starting materials. The compounds produced by the invention are useful for the absorption of sulfur compounds from gases produced by the combustion of sulfur-containing hydrocarbon materials.

REFERENCES:
patent: 3636114 (1972-01-01), Tobler et al.
Spialter and Pappalardo, The Acyclic, Aliphatic Tertiary Amines (1965), pp. 79-80.
Wagner and Zook, Synthetic Organic Chemistry (1953), pp. 43 and 666-668.

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