Process for the preparation of a p,p'-dicyanobibenzyl and a m,m'

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260453A, 260453AR, 260464, 260468G, 260475R, 260514G, 260515P, 260563R, 2605705P, 260578, C07C12164

Patent

active

039844528

ABSTRACT:
P-Tolunitrile or m-tolunitrile is dimerized at an elevated temperature in the gaseous phase with a residence time of less than 0.1 second to form p,p'-dicyanobibenzyl or m,m'-dicyanobibenzyl.

REFERENCES:
patent: 3646018 (1972-02-01), Duke, Jr. et al.
suhr et al.: Chemical Abstracts, vol. 75, p. 200, (1971).

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