(2S,2'S,3S,3'S)-3,3’-Di-tert-butyl-4,4’-bis(2,6-dimethoxyphenyl)-2,2’,3,3’-tetrahydro-bibenzo oxaphosphole
(2S,2'S,3S,3'S)-3,3’-Di-tert-butyl-4,4’-bis(2,6-dimethoxyphenyl)-2,2’,3,3’-tetrahydro-bibenzo oxaphosphole 1g : Sterically demanding chiral diphosphine for Pd, Rh, and Ir catalysis. Excellent for asymmetric hydrogenation, cross-coupling, and enantioselective synthesis in pharmaceutical chemistry.