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Titanium carbene complexes as useful tools in organic synthesis
Article first published online: 15 FEB 2007
DOI: 10.1002/tcr.20103
© 2007 The Japan Chemical Journal Forum and Wiley Periodicals, Inc.
1528-0691/asset/cover.gif?v=1&s=0a54cc887bcc8e5a84864699938fe84d8b67adb8 "The Chemical Record")
Additional Information
How to Cite
Takeda, T. (2007), Titanium carbene complexes as useful tools in organic synthesis. The Chemical Record, 7: 24–36. doi: 10.1002/tcr.20103
Publication History
- Issue published online: 22 FEB 2007
- Article first published online: 15 FEB 2007
- Manuscript Revised: 5 DEC 2006
- Manuscript Accepted: 28 NOV 2006
- Manuscript Received: 10 NOV 2006
- Abstract
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Keywords:
- carbene complex;
- metathesis;
- olefination
Graphical Abstract
Various titanium carbene complexes are prepared by the reductive titanation of thioacetals, gem-dihalides, and related organosulfur and organohalogen compounds with the titanocene(II) reagent Cp2Ti[P(OEt)3]2. Alkylidene-, heteroatom-substituted methylidene-, 2-alkenylidene-, 2-alkynylidene-, and vinylidene-titanocenes thus formed are highly reactive toward organic compounds bearing a multiple bond and are employed for a variety of organic transformations such as carbonyl olefination and olefin metathesis.
Abstract
Various titanium carbene complexes are prepared by the reductive titanation of thioacetals, gem-dihalides, and related organosulfur and organohalogen compounds with the titanocene(II) reagent Cp2Ti[P(OEt)3]2. Alkylidene-, heteroatom-substituted methylidene-, 2-alkenylidene-, 2-alkynylidene-, and vinylidene-titanocenes thus formed are highly reactive toward organic compounds bearing a multiple bond and are employed for a variety of organic transformations such as carbonyl olefination and olefin metathesis. © 2007 The Japan Chemical Journal Forum and Wiley Periodicals, Inc. Chem Rec 7: 24–36; 2007: Published online in Wiley InterScience (www.interscience.wiley.com) DOI 10.1002/tcr.20103