261505-72-0Relevant articles and documents
Thermal Cyclization of 3-Acyl-4-azidopyridines to Isoxazolo[4,3-c]pyridines
Stadlbauer, Wolfgang,Fiala, Werner,Fischer, Michaela,Hojas, Gerhard
, p. 33 - 39 (2007/10/03)
4-Azidopyridines such as 3-acetyl-4-azido-2-pyridones 3 or 4-azido-3-ethoxycarbonylpyridine 7 with reactive ortho-acyl substituents were obtained from the 4-hydroxy-2-pyridones 1, resp. 5 via 4-tosyloxy-2-pyridones 2 or the 2,4-dichloropyridine 6. DSC-ass