Process for production of sulfuric acid semiesters

Details Process for production of sulfuric acid semiesters Process for production of sulfuric acid semiesters

1982-05-20

1984-05-22

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

548375, C07C14116

Patent

active

044501145

ABSTRACT:
A compound having at least one --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 M group in the molecule, wherein M is hydrogen or an alkali metal, which is useful as a reactive dye for dying cellulose fiber materials or as an intermediate for production of said reactive dye, is industrially advantageously produced in a high yield and a high quality by esterification of a compound having at least one --SO.sub.2 CH.sub.2 CH.sub.2 OH in the molecule using a sulfuric acid-esterifying agent in the presence of a water-insoluble organic solvent and a secondary or tertiary amine.

REFERENCES:
patent: 2060254 (1936-11-01), Siebenburger
patent: 3372170 (1968-03-01), Remy
patent: 3406163 (1968-10-01), Meininger et al.
patent: 3414579 (1968-12-01), Remy

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