Asymmetric Aldol Additions: Use of Titanium Tetrachloride and (−)-Sparteine for the Soft Enolization ofN-Acyl Oxazolidinones, Oxazolidinethiones, and Thiazolidinethiones
2001 ◽
Vol 66
(3)
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pp. 894-902
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1997 ◽
Vol 119
(33)
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pp. 7883-7884
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1998 ◽
Vol 63
(4)
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pp. 918-919
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