A Convenient Synthesis and the Asymmetric Hydrogenation of <i>N</i>-Phthaloyl Dehydroamino Acid Esters
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A convenient synthetic method was reported for the preparation of N-phthaloyl dehydroamino acid esters from easily accessible vinyl bromides (or vinyl tosylate) and potassium phthalimide. Rh-catalyzed asymmetric hydrogenation of these substrates with TangPhos gave the products with good to excellent enantioselectivities (up to 99% ee).
创建时间:
2008-07-17



