ChemInform Abstract: A New Thermal Decomposition of the Isoxazole Ring.
Abstract
Thermolysis of the phenylazoisoxazole (III) in the presence of the dipolarophiles (IV), (VII), (IX), (XI), or (XII) gives the pyrazole derivatives (V), (VIII), (X), and (XIII), together with the triazole (VI).
ChemInform Abstract
Thermolysis of the phenylazoisoxazole (III) in the presence of the dipolarophiles (IV), (VII), (IX), (XI), or (XII) gives the pyrazole derivatives (V), (VIII), (X), and (XIII), together with the triazole (VI). (Intermediates, mechanism).