Journal of organometallic chemistry

Preparations of cobalt-containing phosphines and reactions toward dicobalt octacarbonyl

FE Hong, YC Lai, YJ Ho, YC Chang

Index: Hong, Fung-E.; Lai, Yi-Chun; Ho, Yi-Jung; Chang, Yu-Chang Journal of Organometallic Chemistry, 2003 , vol. 688, # 1-2 p. 161 - 167

Full Text: HTML

Citation Number: 0

Abstract

Treatments of bis (diphenylphosphino) methylene (dppm) bridged dicobalt complex, Co2 (CO) 6 (μ-Ph2PCH2PPh2), with alkynes, Ph2PC CR (2: R= CMe3; 3: R= SiMe3), at 60° C in THF for 6 h gave alkyne-bridged complexes [(μ-Ph2PCH2PPh2) Co2 (CO) 4][(μ-Ph2PC CR)](4: R= CMe3; 5: R= SiMe3). Further reactions of 4 and 5 with Co2 (CO) 8 at 80° C in toluene for 3 h resulted in the formations of unexpected tetra-cobalt clusters,[(μ- ...