Journal
CANADIAN JOURNAL OF CHEMISTRY
Volume 92, Issue 6, Pages 441-446Publisher
CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
DOI: 10.1139/cjc-2013-0501
Keywords
silicon; germanium; chromium; metalla-aromatic compounds; coordination
Categories
Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan [17GS0207, 22350017, 25288021, 23108707, 21750042, B09]
- Mitsubishi Chemical Corp.
- Society of Synthetic Organic Chemistry, Japan
- Kinki Invention Center
- Grants-in-Aid for Scientific Research [24109013, 21750042, 17GS0207, 25288021, 22350017, 26410044] Funding Source: KAKEN
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Ligand exchange reactions of 9-sila- and 9-germa-phenathrenes with chromium carbonyl complexes, [Cr(CH3CN)(3)(CO)(3)] and [Cr(eta(6)-benzene)(CO)(3)], were performed. Their reactions with [Cr(CH3CN)(3)(CO)(3)] afforded the corresponding eta(6)-complexes, in which Cr(CO)(3) moieties coordinated to the C-6-rings. However, those with [Cr(eta(6)-benzene)(CO)(3)] gave unique four-membered complexes bearing semibridging carbonyl ligands. All the structures of novel complexes were determined by NMR and X-ray crystallographic analysis.
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