SEARCH Articles Figures Tables 1.3-Dicarbonyl leaving groups Dicarbonyls, Group chains Dicarbonyls, Group preparation Dicarbonyls, Group structural properties Formation of the Group 4B Metallocene Dicarbonyls Group 4B metallocene dicarbonyls, Monoprotection of 1,2- and 1,3-dicarbonyl groups Physical, Spectroscopic, and Structural Properties of the Various Group 4B Metallocene Dicarbonyls