Ammonium Cerium(IV) Nitrate as an Efficient Oxidizing Agent for Fused 1,4-Dihydropyridazine Derivatives and Hydrazides
作者:Marijan Kočevar、Franc Požgan、Slovenko Polanc
DOI:10.1055/s-2003-42413
日期:——
carbohydrazido group into the corresponding esters is presented. In particular, 1,4,6,7,8,9-hexahydro-5H-pyridazino[4,3-c]azepine-3-carboxylic acid hydrazides 1 are rapidly oxidized using six equivalents of ammoniumcerium(IV) nitrate (CAN) in different alcohols to the corresponding fused pyridazine esters 3.