... Synlett 2006(13 ... 2 , Pd/C (5%), Pd 2 (dba) 3 have also been employed in this reaction and none of them gave a higher yield than PdCl 2 . Using anhydrous K 4 [Fe(CN) 6 ] [13] as cyanide ... p.819; 1b Grundmann C. In Houben-Weyl: Methoden der organischen Chemie 4th ed., Vol. ...