Bis-quaternary salts as phase transfer catalysts for aromatic et

Details Bis-quaternary salts as phase transfer catalysts for aromatic et Bis-quaternary salts as phase transfer catalysts for aromatic et

1983-10-14

1985-11-19

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548473, 548474, 548476, 548477, 548480, 548478, 548481, 548181, 548138, 548336, 546272, 544332, C07D20948, C07D40310, C07D40312

Patent

active

045543577

ABSTRACT:
Bis-quaternary ammonium and phosphonium salts such as bis(tri-n-butyl)-1,6-hexylenediammonium dibromide are excellent phase transfer agents for the preparation of aromatic ether imides, as by the reaction of the disodium salt of bisphenol A with 4-nitro-N-methylphthalimide.

REFERENCES:
patent: 3992432 (1976-11-01), Napier et al.
patent: 4273712 (1981-06-01), Williams, III
Nakayama, Bull. Chem. Soc. Japan, 52(1), 52-56 (1974).
Horner, et al., Werkstoffe & Korrosion, 30, 413-417 (1979).

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