Process for producing bis(N,N-dialkylamino)alkyl ethers employin

Details Process for producing bis(N,N-dialkylamino)alkyl ethers employin Process for producing bis(N,N-dialkylamino)alkyl ethers employin

1979-12-13

1981-01-27

Doll, John

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

Organic compounds

Amino nitrogen containing

546186, 544106, C07C 8524, C07C 8900

Patent

active

042474825

ABSTRACT:
A process is provided for producing bis-(N,N-dialkylamino)alkyl ethers of the formula (R.sub.2 NR').sub.2 O, wherein R is a methyl or ethyl group and R' is a bivalent alkylene group having from 2 to 3 carbon atoms. The novel process is effected by a two-step, preferably "one pot," reaction that utilizes SO.sub.3 vapor and R.sub.2 NR'ONa as reactants, wherein R and R' are defined above. The resulting bis-ethers are useful as catalysts in the production of polyurethanes, especially cellular polyurethanes.

REFERENCES:
patent: 2966518 (1960-12-01), Johnson
patent: 3330782 (1967-07-01), Poppelsdorf
patent: 3400157 (1968-09-01), Poppelsdorf
patent: 3426072 (1969-02-01), Warner
patent: 3480675 (1969-11-01), Poppelsdorf
patent: 3957875 (1976-05-01), Ferrell et al.
patent: 4177212 (1979-12-01), Poppelsdorf

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