Silica Gel–Supported bis(Trimethylsilyl) Chromate: Oxidation of 1,4‐Dihydropyridines to Pyridines
摘要:
An efficient and convenient method for the oxidation of 1,4-dihydropyridines mediated by silica gel-supported bis(trimethylsilyl) chromate in refluxing CH 2 Cl 2 is reported.