abstract |
FIELD: organic chemistry. n SUBSTANCE: invention relates to method for production of compounds of general formula III , wherein R 1 represents C 1 -C 4 -alkyl by carbamoylation of compound of formula II with metal cyanate wherein reaction is carried out using acetic acid in presence of high excess of metal cyanate in absence of additional solvent. n EFFECT: improved method for production of dibenzo[b,f]azepine derivatives. n 11 cl, 1 ex |