Chiral tris(oxazoline)/Cu(II) catalyzed coupling of terminal alkynes and nitrones |
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| Authors: | Ye Meng-Chun Zhou Jian Huang Zheng-Zheng Tang Yong |
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| Institution: | Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, 354 Fenglin Lu, Shanghai 200032, China. |
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| Abstract: | Novel chiral iPr-tris(oxazoline)/Cu(ClO4)2 x 6H2O catalyzed coupling of terminal acetylenes and nitrones to afford cis-disubstituted beta-lactams is described; the choice of base proves essential to both the diastereoselectivity and the enantioselectivity. |
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