Process for preparing substituted bis-ethers

Details Process for preparing substituted bis-ethers Process for preparing substituted bis-ethers

1985-11-22

1987-07-28

Shaver, Paul F.

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

Organic compounds

Amino nitrogen containing

564306, 564430, 564442, 564443, 568585, 568631, 568635, C07C 8524, C07C 8500

Patent

active

046833331

ABSTRACT:
Substituted bis-ethers, such as .alpha.,107 -bis-(4-aminophenoxy)-alkyls, are prepared in process which involves sequential addition of reactants, reagents or neutralizing compounds without recovery of intermediate products such as diamides and diamine acid salts. When water is used as the solvent, the process is simplified and product yields in excess of about 70% are obtained.

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Thomas R. Britt, "Liquid Crystal Compounds and Related Mesogenic Polymers", Aug. 1981, pp. 58-60, 65-68 and 87, PhD Dissertation.

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