N-neopentyl-4-diorganoamino pyridinium compounds

Details N-neopentyl-4-diorganoamino pyridinium compounds N-neopentyl-4-diorganoamino pyridinium compounds

1984-12-24

1986-08-12

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546193, 546275, 546281, 548455, 548476, 548480, 568 37, 568 43, 568 45, 568 31, 568315, 568584, C07D21374, C07D40104, C07B 4100, C07B 4300

Patent

active

046057455

ABSTRACT:
A method is provided for making aromatic ethers by effecting the displacement of reactive radicals on an activated aromatic nucleus such as a phthalimide with a mono or bisalkali metal phenoxide in the presence of an organic solvent and a dialkylamino branched alkyl substituted pyridinium salt as a phase transfer catalyst. Improved yields of bis(aromatic ethers) are achieved without the production of undesirable by-products, such as akylated phenols.

REFERENCES:
patent: 4460778 (1984-07-01), Brunelle et al.

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