Process for the resolution of racemic diphosphine oxides
AssigneeHoffmann-La Roche Inc.
InventorsMarco Cereghetti, Alain Rageot
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Abstract
A process for the resolution of racemic diphosphine oxides into the optically active antipodes by reacting the racemate with a resolving agent comprising using a carbamate or thiocarbamate of an optically active .alpha.-hydroxycarboxylic acid or .alpha.-aminocarboxylic acid as the resolving agent.
Claims6
A process for the resolution of racemic diphosphine oxides into the optically active antipodes by reacting the racemic diphosphine oxide with a resolving agent, which process comprises using a carbamate or thiocarbamate of an optically active .alpha.-hydroxycarboxylic acid or .alpha.-aminocarboxylic acid as the resolving agent.
Dependencies are inferred from the claim text.