FACILE CONSECUTIVE THREE-COMPONENT SYNTHESIS OF 3,5-DISUBSTITUTED ISOXAZOLES
DOI:
https://doi.org/10.1007/3677Keywords:
alkynes, azidation, copper-free alkynylation, cyclization, isoxazoles, multicomponent reactionsAbstract
3,5-Di(hetero)aryl-substituted isoxazoles can be rapidly synthesized in a one-pot fashion by a consecutive three-component alkynylation–cyclization sequence starting from (hetero)aroyl chloride, alkynes, and sodium azide/acetic acid under copper-free palladium catalysis as exemplified by 9 different products.
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Published
2017-04-23
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Original Papers