C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/559.5, 260/3
C07D 333/24 (2006.01) C07C 121/66 (1980.01)
Patent
CA 1147341
ABSTRACT OF THE DISCLOSURE The production of aromatic or heteroaromatic nitriles from their reactiongases, which are formed in the reaction of cyanogen chloride with aromatic or heteroaromatic methylene or methyl compounds, is carried out by partial condensation of the reaction gases at decreasing temperature stages so that the nitriles are not subjected, for a lengthy period, to a contact with the simultaneously formed hydrogen chloride.
371425
Kleemann Axel
Schalke Peter
Aktiengesellschaft Degussa
Marks & Clerk
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