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

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260459R, 260692, 260584C, C07C 8524, C07C 9310

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active

041772121

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, "one pot" reaction that utilizes a chloro-containing compound selected from the group consisting of sulfuryl chloride, thionyl chloride and chlorosulfonic acid together with 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: 516766 (1894-03-01), Krafft et al.
patent: 1674891 (1928-06-01), Duchange
patent: 2796443 (1957-06-01), Meyer et al.
patent: 4083873 (1978-04-01), Sherrod et al.

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