Process for the production of 4-[ethyl-(2'-hydroxyethyl)-amino]-

Details Process for the production of 4-[ethyl-(2'-hydroxyethyl)-amino]- Process for the production of 4-[ethyl-(2'-hydroxyethyl)-amino]-

1987-11-06

1990-02-13

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

564404, C07C 8504, C07C 8760

Patent

active

049008692

ABSTRACT:
A process is disclosed for the production of 4-[ethyl-(2'-hydroxyethyl)-amino]-1-[(2'-hydroxyethyl)-amino]-2-nitrobenze ne, by means of a two-stage technique proceeding from the reaction product of 1,4-diamino-2-nitrobenzene with chloroformic acid chloroethyl ester, or by means of a multiple-stage technique which is based upon an improved process for the production of the pre-stage 4-ethylamino-1-[(2'-hydroxyethyl)-amino]-2-nitrobenzene through sulfuric acid splitting off of 4-(N-ethylarylsulfonamido)-1-[(2'-hydroxyethyl)-amino]-2-nitrobenzene.

REFERENCES:
patent: 3274249 (1966-09-01), Brunner et al.
patent: 3629330 (1971-12-01), Brody et al.
patent: 4666453 (1987-05-01), Junino et al.
patent: 4736067 (1988-04-01), Bugaut et al.

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