Method for preparing copper-diamine complexes and diamines

Details Method for preparing copper-diamine complexes and diamines Method for preparing copper-diamine complexes and diamines

1985-01-24

1986-06-17

Sneed, Helen M. S.

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

Organic compounds

Heavy metal containing

556114, 564492, 564498, C07F 108, C07C 6112, C07C 6128, C07C 6333

Patent

active

045957738

ABSTRACT:
Copper-diamine complexes such as copper(II)-di-t-butylethylenediamine dibromide are prepared by the reaction of a dihalide such as 1,2-dibromoethane with an amine such as t-butylamine and a basic copper(II) compound such as cupric oxide in a nitrile solvent. The diamine can be liberated from the complex by reacting it with a complexing agent such as an ethylenediaminetetraacetic acid salt.

REFERENCES:
patent: 2686798 (1954-08-01), Gmitter
patent: 2924551 (1960-02-01), Harwood et al.
patent: 2924552 (1960-02-01), Harwood et al.
patent: 2928856 (1960-03-01), Harwood et al.
patent: 2943100 (1960-06-01), Holstein
patent: 2977279 (1961-03-01), Kosmin
patent: 3036104 (1962-05-01), Matzinger
patent: 3914266 (1975-10-01), Hay
patent: 3980654 (1976-09-01), Gysling
patent: 4160785 (1979-07-01), Webb et al.
Basolo et al, JACS, 76, 211-214 (1954).

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