FIELD: organic chemistry. SUBSTANCE: products: substituted hexahydrobenz[cd]indoles of the formula (I) showing activity of serotonine function modification. Reagent 1: compound of the formula (II). Reagent 2: CO. Reagent 3: compound of the formula (III). Reaction conditions: heating in the presence of palladium-containing catalyst, for example, (Ph3P)4Pd. Method involves removal of amino-protective group B. Synthesized compounds were used in pharmaceutical industry. EFFECT: improved method of synthesis. 1 tbl
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