| abstract |
SUMMARY OF THE INVENTION: 2-hydroxy-3-naphthoic acid arylide product (1), mp 248-250 ° C. Reagent: 2-oceans-3-naphthoic acid (II). Reagent 2: arylamine. Reaction conditions: in the environment of o-xylene or o-chlorotoluene in the presence of 2-7 mol,% of the catalyst-coordination complex obtained by reaction of II sarylamine in the presence of, phosphazo compounds, НзРОз, РВгз, (EtOfc Р (0) Н at 145 -16GS with simultaneous azeotropic distillation of the eoda. 1 cp f-crystals, 2 tab. |