Selective N-alkylation of aniline in the presence of zeolite cat

Details Selective N-alkylation of aniline in the presence of zeolite cat Selective N-alkylation of aniline in the presence of zeolite cat

1989-04-27

1991-07-09

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

564395, C07C20928

Patent

active

050307592

ABSTRACT:
The selective N-alkylation of anilines comprising providing a mixture of a lower alkanol and an aniline, exposing said mixture to a temperature of from 250.degree. C. to 350.degree. C. in the presence of an acidic zeolite having a pore size of from 6 to 8 angstroms with a three-dimensional tubular shape, such as S-115 zeolite, is described. These zeolites are predominantly selective to the formation of N-alkylanilines.

REFERENCES:
patent: 4602112 (1986-07-01), Gier et al.
patent: 4737592 (1988-04-01), Abrams et al.
patent: 4801752 (1989-01-01), Chen et al.
patent: 4806689 (1989-02-01), Gier et al.

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