Process for preparing [5-amino-2-(2-hydroxyethylamino)-phenyl](2

Details Process for preparing [5-amino-2-(2-hydroxyethylamino)-phenyl](2 Process for preparing [5-amino-2-(2-hydroxyethylamino)-phenyl](2

1993-12-01

1995-05-09

Kumar, Shailendra

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

Organic compounds

Amino nitrogen containing

564415, 534566, C07C32325, C07C20930

Patent

active

054141311

ABSTRACT:
A process for preparing the sulphone of the formula ##STR1## consists in reductive cleavage of disazo/disazoxy dyestuffs of the formula ##STR2## in which B is a direct bond or a bridging member and

REFERENCES:
patent: 4577015 (1986-03-01), Jager et al.
patent: 5107025 (1992-04-01), Herd
patent: 5278291 (1994-01-01), Herd
Merck Index, 10th Edition, 1193, p. 168, 1983.

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