N-SUBSTITUTED 5-PHTHALIMIDONAPHTHALENE-1-SULFAMIDES AS SEMIPRODUCTS FOR SYNTHESIS OF N-SUBSTITUTED AMINONAPHTHALENESULFAMIDES Russian patent published in 1995 - IPC

Abstract SU 1706174 A3

FIELD: heterocyclic compounds. SUBSTANCE: product: N-substituted 5-phthalimidonaphthalene-1-sulfamides of the formula where R₁ H; R₂ alkyl C₁, C₂, C₄, C₅, C₈, or . Synthesis is carried out by conversion of phthalimidonaphthalenesulfamides to aminonaphthalenesulfamides by action with hydrazine hydrate in organic solvent. Synthesized compounds can be used as semiproducts for synthesis of N-substituted aminonaphthalenesulfamides. EFFECT: detection of new intermediate compounds. 3 tbl

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SU 1 706 174 A3

Authors

Nedospasov A.A.

Palajma A.I.

Butenas S.Ju.

Baranauskas G.Ju.

Dates

1995-10-10—Published

1989-02-08—Filed