Alkyldiphenyl ether-sulphonic acid hydrazides, their preparation

Details Alkyldiphenyl ether-sulphonic acid hydrazides, their preparation Alkyldiphenyl ether-sulphonic acid hydrazides, their preparation

1980-11-20

1982-05-11

Demers, Arthur P.

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

Organic compounds

Amino nitrogen containing

521 95, C07C143825

Patent

active

043294995

ABSTRACT:
A di- or tri-sulphonic acid hydrazide of an alkylated diphenyl ether, said hydrazide being of the formula ##STR1## wherein R.sub.1 and R.sub.2 are identical or different and represent halogen or a lower alkyl radical and R.sub.1 and R.sub.2 can denote hydrogen,

REFERENCES:
patent: 2513826 (1950-07-01), Sprung et al.
patent: 2552065 (1951-05-01), Schoene
patent: 2595017 (1952-04-01), Sprung et al.
patent: 2626280 (1953-01-01), Hunter
patent: 2626933 (1953-01-01), Lober et al.
patent: 2640853 (1953-06-01), Sundholm
patent: 2673220 (1954-03-01), Hunter

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