123348-80-1Relevant articles and documents
Oxydation vanadique de la papaverine en milieu sulfurique 2,5 M et 5 M
Postaire, E.,Martinez, D.,Viel, C.,Chastagnier, M.,Hamon, M.
, p. 982 - 988 (2007/10/02)
Vanadic oxidation of papaverine 1 in 5 M sulfuric acid media shows a full oxidation into carbon dioxide and water.However, according to the experimental conditions, and in 2.5 M and 5 M sulfuric acid media, intermediates and products have been identified: papaveraldine 2, hemipinimide 4, meta-hemipinic acid 3, 6,7-dimethoxy isoquinoline 5, 1-formyl 6,7-dimethoxy isoquinoline 6, 1-acetyl 6,7-dimethoxy isoquinoline 7, 4-hydroxy 6-demethyl papaveraldine 8, 4-hydroxy 4'demethyl papaveraldine 9, 3-hydroxy 6-demethyl papaveraldine 10 and 3-hydroxy 4'-demethyl papaveraldine 11.
