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Efficient synthesis of [2]- and higher order rotaxanes via the transition metal-catalyzed hydrosilylation of alkyne |
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| Authors: | Hisahiro Sasabe Kazuhiko Mizuno Toshikazu Takata |
| Institution: | a Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan b Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152-8552, Japan |
| Abstract: | A novel end-capping method of pseudorotaxanes via the hydrosilylation of the alkyne of the axle terminal was developed. RuHCl(CO)(PPh3)3 and RhCl(CO)(PPh3)3 complexes catalyzed the hydrosilylation reactions of the alkyne moiety of several pseudorotaxanes at ambient temperature to give the corresponding 2]- and higher order rotaxanes in high yields with excellent regio- and stereoselectivity. |
| Keywords: | Rotaxane Hydrosilylation Alkyne Transition metal-catalyst |
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