Louie, Janis and Grubbs, Robert H. (2001) Highly Active Metathesis Catalysts Generated In Situ from Inexpensive and Air-Stable Precursors. Angewandte Chemie, 113 (1). pp. 253-255. ISSN 0044-8249. doi:10.1002/1521-3757(20010105)113:1<253::AID-ANGE253>3.0.CO;2-Z. https://resolver.caltech.edu/CaltechAUTHORS:20180507-110608936
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Abstract
The preparation of well‐defined ruthenium alkylidene complexes bearing N‐heterocyclic carbene ligands such as 1,3‐dimesitylimidazol‐2‐ylidene (1) and 4,5‐dihydroimidazol‐2‐ylidene (2) have led to catalysts (such as 3 and 4; see Figure 1) which are highly active in ring‐closing metathesis (RCM), cross metathesis (CM), and ring‐opening metathesis polymerization (ROMP).1 These catalysts show increased thermal stability and similar tolerance to oxygen and moisture when compared to their parent bisphosphane complexes, [(PCy_3)_2Cl_2Ru=CHPh] (5, Figure 1).2 Since all synthetic routes to catalysts 3 and 4 proceed through the transformation of a ruthenium bisphosphane carbene,3 a direct route through readily available starting materials is still desirable.
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Additional Information: | © 2001 Wiley‐VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany. Issue Online 04 January 2001; Version of Record online: 04 January 2001; Manuscript received: 28 August 2000. J.L. acknowledges the National Institute of Health for a postdoctoral fellowship. We thank Christopher W. Bielawski for helpful discussions. | ||||||
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Subject Keywords: | Carbene; Homogene Katalyse; Metathesen; Ruthenium; Vinylidenkomplexe | ||||||
Issue or Number: | 1 | ||||||
DOI: | 10.1002/1521-3757(20010105)113:1<253::AID-ANGE253>3.0.CO;2-Z | ||||||
Record Number: | CaltechAUTHORS:20180507-110608936 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180507-110608936 | ||||||
Official Citation: | Louie, J. and Grubbs, R. H. (2001), Highly Active Metathesis Catalysts Generated In Situ from Inexpensive and Air‐Stable Precursors. Angew. Chem., 113: 253-255. doi:10.1002/1521-3757(20010105)113:1<253::AID-ANGE253>3.0.CO;2-Z | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 86244 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Tony Diaz | ||||||
Deposited On: | 07 May 2018 20:13 | ||||||
Last Modified: | 15 Nov 2021 20:36 |
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