123555-90-8Relevant articles and documents
FERRICYANIDE OXIDATION OF 1-SUBSTITUTED PENTAPHENYLPYRIDINIUM SALTS. A NOVEL ROUTE TO 1-SUBSTITUTED 2,3,4,5-TETRAPHENYLPYRROLES
Boehm, Stanislav,Slavik, Hanus,Kuthan, Josef
, p. 200 - 205 (2007/10/02)
Oxidation of 1-substituted 2,3,4,5,6-pentaphenylpyridinium salts Ia-Ij by potassium ferricyanide in an alkaline medium yields the corresponding 1-substituted 2,3,4,5-tetraphenylpyrroles in 68 to 76percent yields.The selectivity of the reaction is discusse