B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
260/551.5, 260/5
B01J 31/04 (2006.01) B01J 27/20 (2006.01)
Patent
CA 1054634
Abstract of the disclosure: Process for the manufacture of 1-(N-.beta.-cyanethylamino)-3- acylaminobenzenes of the formula (1) Image (1) in which R1 represents hydrogen, methyl or alkoxy of 1 to 4 carbon atoms, R2 represents hydrogen, alkyl from 1 to 3 carbon atoms or phenyl, R3 represents hydrogen or alkyl from 1 to 3 carbon atoms, and n represents the integer 0 or 1, which com- prises reacting 1 mole of an amino of the formula (2) Image (2) in which R1, R2 and R3 are defined as above, with 1 to 1.75 moles of acrylonitrile between 70 and 150°C in water with the addition of 1 to 30 percent by weight of an organic carboxylic acid or carbonic acid, and oxethylating the compound at the said formula (1) obtained, if n stands for the integer 0, with- out or after isolation, with 1 to 10 moles of ethylene oxide between 50 and 100°C.
251270
Hoechst Aktiengesellschaft
Na
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