Nitrolamines

Details Nitrolamines Nitrolamines

1975-09-08

1977-04-26

Todd, G. Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603477, 424267, 424285, C07D40504

Patent

active

040200744

ABSTRACT:
A process for the industrial production of terpene nitrolaminic derivatives, comprising a first step wherein the terpene nitroso-chlorides are prepared reacting in a concentrated organic acid medium, selected from formic acid or acetic acid, terpenic materials, selected from alpha-pinene, limonene, alpha-terpineol and the like, with concentrated hydrochloric acid, in the presence of compounds having the formula R--OH, wherein R is an alkyl group, having 1 to 7 carbon atoms, and of alkali nitrites; and a second step wherein the nitroso-chlorides, thus precipitated, are reacted after purification and recrystallization, with an aminic derivative, selected from ammonia, amines, amino-alcohols and amino-acids, in an organic solvent medium in a ratio of nitroso-chloride to aminic derivative of 1 : 1, at a temperature ranging between 50.degree. and 70.degree. C, for 2-6 hours; the so developed hydrochloric acid is neutralized by addition of an organic buffer salt or a tertiary amine; and finally the so obtained nitrolamine bases are purified by recrystallization from organic solvents.

REFERENCES:
patent: 3385867 (1968-05-01), Chang
patent: 3494938 (1970-02-01), Weil et al.
patent: 3567833 (1971-03-01), Weil et al.

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