Preparation of N,N'-methylene-2,2'-azopyridocyanines

Details Preparation of N,N'-methylene-2,2'-azopyridocyanines Preparation of N,N'-methylene-2,2'-azopyridocyanines

1985-08-13

1986-06-10

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25172, C07D47114, C07D48714

Patent

active

045944130

ABSTRACT:
Disclosed is a one step process for reacting certain aminopyridines and pmidines with a methylene halide, preferably methylene iodide, at reflux for from about overnight to about 72 hours to obtain corresponding N,N'-methylene-2,2'-azopyridocyanines in good yields.

REFERENCES:
patent: 3056751 (1962-10-01), Fierce et al.
Leubner, J. Org. Chem., vol. 38, 1098 (1973).
Leubner et al., Chemical Abstracts, vol. 70, entry 42494q (1969).

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