Heterocyclic CompoundsAza CompoundsHeterocyclic Compounds, Bridged-RingNitrogen CompoundsCyclizationPalladiumHeterocyclic Compounds, 2-RingMolecular StructureHeterocyclic Compounds with 4 or More RingsHeterocyclic Compounds, 3-RingMagnetic Resonance SpectroscopyHeterocyclic Compounds, 1-RingAlkynesAcids, HeterocyclicCombinatorial Chemistry TechniquesStereoisomerismIndolizinesIminesCatalysisRhodiumAlkenesAzathioprineAminationKetonesFuransPhosphinesOrganometallic CompoundsNitrogenCephaloglycinHalogensThiadiazolesVinyl CompoundsStructure-Activity RelationshipRutheniumIridiumHydrocarbons, AromaticSulfinic AcidsAminesAlkylationBenzene DerivativesSpectrophotometry, InfraredAzacitidineCarbonIndicators and ReagentsHydrogenIsomerismSulfur CompoundsMolecular ConformationPyrrolesAldehydesVolatile Organic CompoundsThiazolesModels, MolecularPyridinesOxazolesIndoles