Method for synthesizing dinitriles, products obtained thereby an

Details Method for synthesizing dinitriles, products obtained thereby an Method for synthesizing dinitriles, products obtained thereby an

1980-01-17

1981-07-21

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252401, 528341, 528344, 528346, 528347, 260453AL, 260465H, 2604658R, 564367, 564372, 564448, 564457, 564461, 564491, 564493, 564511, C07C12000, C07C12146, C07C12120, C07C12126

Patent

active

042798345

ABSTRACT:
New dinitriles are prepared by reacting an alpha, beta saturated nitrile with an alpha, beta unsaturated nitrile. For this preparation subzero temperatures are preferred. Higher diamines can be prepared by hydrogenating the dinitriles thus obtained, such diamines being reacted with a dicarboxylic acid or a salt, ester or chloride of such an acid to prepare polyamides having an amorphous character, i.e. transparent polyamides.

REFERENCES:
patent: 3936490 (1976-02-01), Hoffmann et al.
C.A., V49, (1955), 13070f, Gingras et al.
C.A., V80, (1974), 95438n, Popandova et al.
C.A., V66-75, coll. (8th) index, 1971, p. 13951s.
C.A., V57, (1962), 7117f, Tsukamoto et al.

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