6533b86ffe1ef96bd12cd127

RESEARCH PRODUCT

A remarkable rearrangement during reaction between triazolopyridinium ylides and dimethyl acetylenedicarboxylate

Belén AbarcaMichael B. HursthouseM. R. MetniD. J. AndoRafael BallesterosGurnos Jones

subject

Dimethyl acetylenedicarboxylatechemistry.chemical_classificationChemistryOrganic ChemistryBiochemistryMedicinal chemistryTolueneCycloadditionchemistry.chemical_compoundYlideDrug DiscoveryMoleculeOrganic chemistrySolvent effects

description

Abstract The ylides from 2-acylmethyltriazolopyridinium salts ( 1 ) react with dimethyl acetylenedicarboxylate in toluene solution to give the 7-pyrroleninylpyrazolo[1,5-a]pyridines ( 5 ).

https://doi.org/10.1016/s0040-4039(00)93512-3