Process for preparing hydrocarbyl aromatic amines

Details Process for preparing hydrocarbyl aromatic amines Process for preparing hydrocarbyl aromatic amines

1991-03-11

1993-05-11

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

564307, 564335, 546290, 548484, 548541, 5483315, 5483265, C07C32128

Patent

active

052103048

ABSTRACT:
A continuous process for the hydrocarbylthiation of aromatic amines is disclosed. The process involves forming an admixture of aromatic amine, hydrocarbyl disulfide and an effective amount of a Lewis acid catalyst and subsequently allowing such admixture to flow as a thin film along a column. An inert gas is passed in a counter-current manner through the admixture. The liquid thiohydrocarbyl aromatic amine product is then separated from the gaseous effluent

REFERENCES:
patent: 4324920 (1982-04-01), McKinnie et al.
patent: 4670598 (1987-06-01), Davis
patent: 4792633 (1988-12-01), Wojtkowski

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