Process for preparing 1-(N-.beta.-cyanethylaminol-3-acylaminoben

Details Process for preparing 1-(N-.beta.-cyanethylaminol-3-acylaminoben Process for preparing 1-(N-.beta.-cyanethylaminol-3-acylaminoben

1976-04-27

1977-02-08

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260207, 2602071, C07C12178

Patent

active

040072134

ABSTRACT:
Process for the manufacture of 1-(N-.beta.-cyanethylamino)-3-acylaminobenzenes of the formula (1) ##STR1## in which R.sub.1 represents hydrogen, methyl or alkoxy of 1 to 4 carbon atoms, R.sub.2 represents hydrogen, alkyl from 1 to 3 carbon atoms or phenyl, R.sub.3 represents hydrogen or alkyl from 1 to 3 carbon atoms, and n represents the integer 0 or 1, which comprises reacting 1 mole of an amino of the formula (2) ##STR2## in which R.sub.1, R.sub.2 and R.sub.3 are defined as above, with 1 to 1.75 moles of acrylonitrile between 70.degree. and 150.degree. C in water with the addition of 1 to 30% 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, without or after isolation, with 1 to 10 moles of ethylene oxide between 50.degree. and 100.degree. C.

REFERENCES:
patent: 3231601 (1966-01-01), Peterli
patent: 3496213 (1970-02-01), Ross

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