The preparation of enantiomerically pure Cyclopropylalanine (cas 15785-52-1)

Add time:09/05/2019    Source:sciencedirect.com

Single enantiomer cyclopropylalanine (>99.9% ee) and various derivatives were prepared using an asymmetric hydrogenation approach with a rhodium catalyst based on the methyl BoPhoz™ ligand. N-Boc cyclopropylalanine benzyl ester was the preferred derivative, as this material is ripe for further selective reaction and can be recrystallized to >99.5% enantiomeric excess.

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