Synthesis of 4-Amino-3-quinolinesulfonic Acids and 4-Aminoquinolines
摘要:
The hydrolysis of 4-chloro-3-quinolinesulfonyl chloride (1) gives 4-chloro-3-quinolinesulfonic acid (2) or 1,4-dihydro-4-oxo-3-quinolinesulfonic acid (3). Compound (2) reacts with primary and secondary aliphatic or primary aromatic amines to give 4-amino-3-quinolinesulfonic acids (4). Desulfonation of quinolinesulfonic acids (2,3,4) yields 4(1H)-quinolinone or 4-aminoquinolines (5).
Synthesis of 4-Amino-3-quinolinesulfonic Acids and 4-Aminoquinolines
摘要:
The hydrolysis of 4-chloro-3-quinolinesulfonyl chloride (1) gives 4-chloro-3-quinolinesulfonic acid (2) or 1,4-dihydro-4-oxo-3-quinolinesulfonic acid (3). Compound (2) reacts with primary and secondary aliphatic or primary aromatic amines to give 4-amino-3-quinolinesulfonic acids (4). Desulfonation of quinolinesulfonic acids (2,3,4) yields 4(1H)-quinolinone or 4-aminoquinolines (5).