Diastereoselective Coupling of 1,3-Diene, Ketone, and Organometallic Reagents by Nickel Catalyst
A nickel-catalyzed three-component coupling of 1,3-diene, ketone, and organoboron or organosilicon reagents was investigated. While the coupling reaction using PhB(OH)2 afforded a 1,3-syn-substituted 4-penten-1-ol derivative as a single diastereomer, the reaction in the presence of tetraorganosilico...
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Veröffentlicht in: | Chemistry letters 2009-06, Vol.38 (6), p.594 |
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creator | Saito, Nozomi Yamazaki, Tetsuro Sato, Yoshihiro |
description | A nickel-catalyzed three-component coupling of 1,3-diene, ketone, and organoboron or organosilicon reagents was investigated. While the coupling reaction using PhB(OH)2 afforded a 1,3-syn-substituted 4-penten-1-ol derivative as a single diastereomer, the reaction in the presence of tetraorganosilicon reagent under similar conditions exclusively produced the corresponding 1,3-anti isomer. In both reactions, a tetrasubstituted carbon center was constructed in a highly diastereoselective manner. |
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While the coupling reaction using PhB(OH)2 afforded a 1,3-syn-substituted 4-penten-1-ol derivative as a single diastereomer, the reaction in the presence of tetraorganosilicon reagent under similar conditions exclusively produced the corresponding 1,3-anti isomer. 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While the coupling reaction using PhB(OH)2 afforded a 1,3-syn-substituted 4-penten-1-ol derivative as a single diastereomer, the reaction in the presence of tetraorganosilicon reagent under similar conditions exclusively produced the corresponding 1,3-anti isomer. 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While the coupling reaction using PhB(OH)2 afforded a 1,3-syn-substituted 4-penten-1-ol derivative as a single diastereomer, the reaction in the presence of tetraorganosilicon reagent under similar conditions exclusively produced the corresponding 1,3-anti isomer. In both reactions, a tetrasubstituted carbon center was constructed in a highly diastereoselective manner.</abstract><cop>Tokyo</cop><pub>Chemical Society of Japan</pub></addata></record> |
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source | Oxford University Press Journals All Titles (1996-Current) |
title | Diastereoselective Coupling of 1,3-Diene, Ketone, and Organometallic Reagents by Nickel Catalyst |
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