Heterocyclic quaternary ammonium salts as phase transfer catalys

Details Heterocyclic quaternary ammonium salts as phase transfer catalys Heterocyclic quaternary ammonium salts as phase transfer catalys

1985-01-14

1986-03-18

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260692, 546 98, 548451, 548476, 548481, C07D20948

Patent

active

045770336

ABSTRACT:
Heterocyclic quaternary ammonium salts such as N,N-di-n-butylpiperidinium bromide are excellent phase transfer agents for the preparation of aromatic ethers, as by the reaction of the disodium salt of bisphenol A with 4-nitro-N-methylphthalimide.

REFERENCES:
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patent: 3246009 (1966-04-01), Loev
patent: 4273674 (1981-06-01), Lignon, Jr. et al.
patent: 4273712 (1981-06-01), Williams
K. Isagawa et al., Chem. Abstracts 81:151587v (1974). Catalysis by Certain Amines in an Aqueous Phase.
H. Dow et al., Chem. Abstracts 90:21867m (1979). Autocatalyzed Dequaternization Reactions in Phase Transfer Catalysis.

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