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]-

1986-12-05

1992-07-21

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

560 22, 564393, C07C20962, C07C20978, C07C20910, C07C21100

Patent

active

051324610

ABSTRACT:
A process is disclosed for the production of 4-[ethyl-(2'-hydroxyethyl)-amino]-1-[(2'-hydroxyethyl)-amino]-2-nitro-benz ene, 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-nitro-benzene through sulfuric acid splitting off of 4-(N-ethylarylsulfonamido)-1-[(2'-hydroxyethyl)-amino]-2-nitro-benzene.

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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