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List of Figures and Schemes
List of Tables
Introduction to Furans and r2Furan Complexes of OsmiumII
7 other sections not shown
13C NMR 1H NMR CD3CN 2-methylfuran acetal activation barriers alkylation anti aromatic molecules carbon carbonyl ylide CH3CN Chem chemical shifts cm"1 vBH coordination diastereomer cycloaddition cyclopentannulation cyclopentene diastereomer diastereoselectivity dimethyl dissolved in approximately DMAD electron rich electrophiles eluent ethylene ethylene complexes filtered furan complexes glove box Gunnoe Harman hexanes hydrogen interfacial isomerization intrafacial isomer isomerization processes isonitrile kcal/mol Lewis acid ligand Melm metal center metal fragment methanol methanol addition methoxide methyl group methyl vinyl ketone mixture mmol nucleophiles observed OCH3 olefin orbital Os]-furan oxidation oxonium peak phosphine PMe3 preparatory TLC plate proton pyridine quadrant rate constant ratio react reactivity rhenium ring opened rotary evaporated Sabat saturation transfer Scheme solution steric syntheses TCNE temperature thiophene Tp 4 positions Tp resonances triflic acid uncoordinated portion undergo vc=G W. D. Organometallics 2001 ylide