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Norpapaverinium chloride

As shown in Scheme 26, Papaverine hydrochloride yields a separable mixture of Protopapaverine (67) and the salt norpapaverinium chloride (68) when heated slightly beyond its melting point for several minutes. Molecule 67 can exist as conjugated mesomeric betaine 67A (7-hydroxy form) or as 2-substituted-2//-isoquinolin-6-one 67B (6-hydroxy form) (66TL1177). Similar structures were described as zwitterionic pentacyclic... [Pg.138]

See other pages where Norpapaverinium chloride is mentioned: [Pg.94]    [Pg.94]    [Pg.94]    [Pg.94]    [Pg.94]    [Pg.94]    [Pg.94]    [Pg.94]   
See also in sourсe #XX -- [ Pg.85 , Pg.94 , Pg.138 ]

See also in sourсe #XX -- [ Pg.85 , Pg.94 , Pg.138 ]

See also in sourсe #XX -- [ Pg.85 , Pg.94 , Pg.138 ]

See also in sourсe #XX -- [ Pg.85 , Pg.94 , Pg.138 ]



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