Catalytic Asymmetric Construction of Spirocycles Containing Pyrrolidine Motifs and Spiro Quaternary Stereogenic Centers via 1,3-Dipolar Cycloaddition of Azomethine Ylides with 2-Alkylidene-Cycloketones
2011 ◽
Vol 353
(10)
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pp. 1713-1719
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2008 ◽
Vol 47
(38)
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pp. 7358-7362
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