Template-directed one-step synthesis of cyclic trimers by ADMET |
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| Authors: | Hou Hongyi Leung Ken C-F Lanari Daniela Nelson Alshakim Stoddart J Fraser Grubbs Robert H |
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| Affiliation: | The Arnold and Mabel Beckman Laboratory of Chemical Synthesis, California Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, USA. |
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| Abstract: | A trifurcated template, containing three secondary dialkylammonium ion recognition sites for encirclement by a dibenzo [24]crown-8-containing acyclic diene, is used to promote acyclic diene metatheses (ADMET) catalyzed by ruthenium-alkylidene complexes, affording a cyclic trimer in 55% yield. Following this one-step, threefold ADMET reaction, the resulting cyclic trimer was isolated by preparative HPLC and characterized by NMR spectroscopy and mass spectrometry. |
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