Novel Group-Transfer Three-Component Coupling of Silyltellurides, Carbonyl Compounds, and Isocyanides This work was partly supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports, and Culture, Japan. We thank Professor S. Okazaki, Professor M. Oyama, and T. Morikawa of the Department of Material Chemistry of Kyoto University for the ESR measurement and valuable discussions.