(2S,2'S,3S,3'S)-3,3'-Di-tert-butyl-4,4'-dimethoxy-2,2',3,3'-tetrahydro-bibenzooxaphosphole

(2S,2'S,3S,3'S)-3,3'-Di-tert-butyl-4,4'-dimethoxy-2,2',3,3'-tetrahydro-bibenzooxaphosphole 1g : (2S,2'S,3S,3'S)-3,3'-Di-tert-butyl-4,4'-dimethoxy-2,2',3,3'-tetrahydro-2,2'-bibenzo[d][1,3]oxaphosphole for asymmetric catalysis, photophysical studies, and organophosphorus ligand research.