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With Tag: Metal-catalyzed Asymmetric Synthesis

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(R)- and (S)-4-TIPS-3-butyn-2-ol. Useful Precursors of Chiral Allenylzinc and Indium Reagents

James A. Marshall, Hilary Schenck Eidam, Patrick Eidam
The Journal of Organic Chemistry | 2006 | 10.1021/jo060542k

A convenient route to the enantiomers of 4-TIPS-3-butyn-2-ol of >95% enantiomeric purity by reduction of the ynone precursor 4 with the Noyori N-tosyl-1,2-diphenylethylenediamineruthenium cymene catalyst is described. The mesylate derivative of the (S)...

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