(2S,3R)-3-(tert-butyl)-2-(di-tert-butylphosphino)-4-methoxy-2,3-dihydrobenzo[d][1,3]oxaphosphole
(2S,3R)-3-(tert-butyl)-2-(di-tert-butylphosphino)-4-methoxy-2,3-dihydrobenzo[d][1,3]oxaphosphole 1g : Sterically demanding chiral phosphine ligand for asymmetric catalysis.