Method for the preparation of substituted derivatives of dipheny

Details Method for the preparation of substituted derivatives of dipheny Method for the preparation of substituted derivatives of dipheny

1993-10-22

1995-12-12

O'Sullivan, Peter

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

Organic compounds

Amino nitrogen containing

564433, 564434, C07C20958

Patent

active

054751390

ABSTRACT:
This invention provides a novel process for the preparation of substituted derivatives of diphenyl amine. The special feature of this novel process is that low cost and recoverable phenolic salts are used as catalysts for molecular rearrangement and aminolysis to obtain substituted derivatives of diphenyl amine in high yield.

REFERENCES:
patent: 3536758 (1970-10-01), Sallmann et al.
patent: 3558690 (1971-01-01), Sallmann et al.
patent: 4057581 (1977-11-01), Krall et al.
patent: 4299983 (1981-11-01), Martin et al.
patent: 5006561 (1991-04-01), Arrowsmith et al.

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