SEARCH Articles Figures Tables Asymmetric Carbonyl Olefinations Without Usage of Optically Active Phosphorus Reagents Attack of Carbonyl Compounds and Protons on Olefin Complexes Carbonyl olefination Olefination of Carbonyl Compounds by Zinc and Chromium Reagents Olefins carbonylation The Formation of Oxetanes from Carbonyls and Olefins