✦ LIBER ✦

Catalytic asymmetric hydrogenation of α-β-unsaturated ketones using chiral ruthenium hydride complexes.

✍ Scribed by Viviane Massonneau; Paul Le Maux; Gerard Simonneaux

No coin nor oath required. For personal study only.

✦ Synopsis

Chiral ruthenium hydrides : HRuCl(TRPC)2 and H2Ru(TBPC)2 catalyse the hydrogenation of a-&unsaturated ketones to ketones (e.e. 62 X).

Asymmetric hydrogenation of prochiral olefins in the presence of chiral rhodium catalyst 1 is now a useful preparative tool for many a-aminoacids

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