5-(2-Hydroxyphenyl)tetrazolyl compounds

Details 5-(2-Hydroxyphenyl)tetrazolyl compounds 5-(2-Hydroxyphenyl)tetrazolyl compounds

1976-05-25

1977-09-13

Waddell, Frederick E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260299, C07D25704, C07F 108, C07F 110, C07F 112

Patent

active

040481875

ABSTRACT:
5-(2-Hydroxyphenyl)tetrazoles having substituents containing at least 5 aliphatic or alicyclic carbon atoms are prepared from the corresponding o-hydroxybenzyl cyanides with alkali metal azides. These tetrazoles are useful as extracting agents in liquid-liquid extraction processes for metals, especially copper. When used in such processes in combination with o-hydroxyaryl oximes they improve the extraction kinetics of the oximes.

REFERENCES:
patent: 3767667 (1973-10-01), Kamiya et al.
patent: 3865570 (1975-02-01), George et al.

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