5-FTALIMIDONAFTALIN-1-SULFORUGSTIES PIRIDINO DRUSKA KAIP PUSIAUPRODUKTAS PAKEISTU 5-AMINONAFTALIN-1-SULFAMIDU GAVIMUI

摘要

FIELD: organic chemistry. SUBSTANCE: desired compound is prepared of 5-aminonaphthalene-1-sulfo acid and phthalic anhydride by boiling in pyridine by yield 82 %. Essential formula of desired compound is C₂₃H₁₆N₂SO₅, its melting point being 280-282 C. EFFECT: reveals novel intermediate compounds.