Highly fluorinated diazides and process therefor

Details Highly fluorinated diazides and process therefor Highly fluorinated diazides and process therefor

1975-07-14

1977-04-26

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C11700

Patent

active

040201767

ABSTRACT:
This invention relates to highly fluorinated diazides of the formula N.sub.3 CH.sub.2 (CF.sub.2).sub.x CH.sub.2 N.sub.3 wherein x is a positive integer from 2 to 12; to the preparation of these diazides by the reaction of excess sodium azide with a ditosylate of the formula C.sub.7 H.sub.7 SO.sub.3 CH.sub.2 (CF.sub.2).sub.x CH.sub.2 O.sub.3 SC.sub.7 H.sub.7 wherein x has the same meaning given above; and to the synthesis of highly fluorinated primary diamines of the formula H.sub.2 NCH.sub.2 (CF.sub.2).sub.x CH.sub.2 NH.sub.2 wherein x has the same meaning given above by catalytic hydrogenation of said diazides.

REFERENCES:
patent: 2769819 (1956-11-01), Sommers et al.
patent: 3122570 (1964-02-01), Stansbury et al.
patent: 3232958 (1966-02-01), Washburn
patent: 3719713 (1973-03-01), Molloy et al.
Sidgwick, N. V. "The Org. Chem. of Nitrogen" Oxford Press, 1949 p. 367.
Noeller, "Chem. of Org. Compounds" W. B. Saunders Co., London, 1965, p. 292.

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