3,3'-Di-tert-butyl-2,2',3,3'-tetrahydro-2,2'-bibenzo[d][1,3]oxaphosphole
3,3'-Di-tert-butyl-2,2',3,3'-tetrahydro-2,2'-bibenzo[d][1,3]oxaphosphole 1g : Premium chiral phosphine for enantioselective catalysis. Ideal for fine chemical synthesis and asymmetric hydrogenation.