Hydrazide salts

Details Hydrazide salts Hydrazide salts

1974-01-04

1976-01-13

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260559S, 423 24, 423 99, 423139, C07C10326

Patent

active

039325059

ABSTRACT:
A compound having the general formula ##SPC1##
In which R.sup.1 , R.sup.2, R.sup.3 and R.sup.4 may be the same or different and represent hydrogen, a straight or branched chain alkyl radical having 1 to 20 carbon atoms, an aralkyl radical having 7 to 20 carbon atoms which may be substituted by one or more alkyl groups having 1 to 4 carbon atoms, or may be of the type: ##SPC2##
Wherein R.sup.5 and R.sup.6 are each a hydrogen atom or a methyl group, and each R represents the others of R.sup.1, R.sup.2, R.sup.3 and R.sup.4, an alkenyl radical having 2 to 20 carbon atoms; a cycloalkyl radical having 5 to 12 carbon atoms which may be substituted by one or more alkyl groups having 1 to 4 carbon atoms; an aryl radical having 6 to 10 carbon atoms; an alkaryl radical having 7 to 12 carbon atoms; a cyclohexyl alkyl radical in which the alkyl moiety has 2 or 3 carbon atoms and the cyclohexenyl ring may contain a methyl group as substituent; an alkenyl cyclohexyl radical in which the alkenyl moiety has 2 or 3 carbon atoms and the cyclohexyl ring may also contain a methyl group as substituent; or a group -OR.sup.7 wherein R.sup.7 represents an alkyl radical having 1 to 20 carbon atoms, a cycloalkyl radical having 5 to 12 carbon atoms, optionally substituted by one or more alkyl groups having 1 to 4 carbon atoms, an aryl radical having 6 to 10 carbon atoms or an alkenyl radical having 3 to 20 carbon atoms; or any two adjacent radicals R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may be joined together to form an aryl ring which may be substituted by one or more alkyl groups having 1 to 20 carbon atoms; X represents an anion; and n is the valency of X, is useful for the extraction of metals from aqueous solutions.

REFERENCES:
patent: 2716663 (1955-08-01), Beman
patent: 2763684 (1956-09-01), Beman
Beilsteins Handbuch Der Organischen Chemie, Vol. X, p. 161 (1971).
Issa et al., 2. Anorg. Allq. Chem., 354, 90 (1967).
Shome et al., Anal. Chim Acta, 32(4), 400 (1965).

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