Reaction of 4-substituted isoxazolo[4,5-c]- and [5,4-b]pyridines with Mo(CO) 6 in refluxing methanol is an efficient and versatile procedure for the preparation of functionalized pyrido-condensed heterocycles containing from five to eight atoms in the ring.
Photochemistry of 4,6-Diazido-3-methylisoxazolo[4,5-c]pyridine: a Convenient Entry to 3-Methylisoxazolo[1,3]diazepine Systems†
作者:Donato Donati、Stefania Fusi、Fabio Ponticelli
DOI:10.1039/a608413c
日期:——
UV irradiation of 4,6-diazido-3-methylisoxazolo[4,5-c]pyridine in methanol gives the 3-methylisoxazolo-1,3-diazepine derivatives 3,4 by nitrogen loss and solvent addition.