Oxygenation of 4-(N-alkylimino)methyl-2,6-di--butylphenols mediated by Co(II)-Schiff base complex
作者:A. Nishinaga、T. Shimizu、T. Matsuura
DOI:10.1016/0040-4039(80)88076-2
日期:1980.1
4-(N-Alkylimino)methyl-2,6-di--butylphenols (), Schiff bases of 3,5-di--butyl-4-hydroxybenzaldehyde can be oxygenated in the presence of Co(Salpr), a five coordinate Co(II)-Schiffbasecomplex to give N-alkyl-3--butyl-5-formyl-2-hydroxy-2-pivaloyl-1,2-dihydropyridines ( as the main product together with 3-formyl-2,5-di--butyl-2,4-cyclopentadienone () and 2,6-di--butyl-4-formyl-6-hydroxy-4,5-epoxy-2-cyclohexenone