EntityQ902932· pop 8· linked from 5 articlesNicholas reactionSign in to saveConnectionsionEntitydigital object identifierEntityalkyneEntityethersEntityorbital hybridizationEntityinfrared spectroscopyEntityfluoroantimonic acidEntitynucleophileEntityLewis acid–base theoryEntitytrifluoroacetic acidEntityorganic reactionEntitytetrafluoroboric acidEntityreaction intermediateEntitydicobalt octacarbonylEntityAccounts of Chemical ResearchEntityproton NMREntitypropargylEntityTetrahedronEntityTetrahedron LettersEntityPauson–Khand reactionEntityCategoriesName reactionsSubstitution reactions