Unprecedented Formation of Five-, Six-, and Seven-Membered Metallacycles by Single and Double Insertion of Mono- and Disubstituted Alkynes into an Rh-O Bond We thank Prof. Shigetoshi Takahashi and Dr. Fumie Takei at The Institute of Scientific and Industrial Research, Osaka University for the measurement of FAB mass spectra.
Department of Chemistry, Faculty of Science Toho University, Miyama Funabashi, Chiba 274-8510 (Japan).
Y
Yamamoto
XH
Han
JF
Ma