(R)-(7'-(Di-p-tolylphosphaneyl)-2,2',3,3'-tetrahydro-1,1'-spirobi[inden]-7-yl)di-p-tolylphosphine oxide 1g

(R)-(7'-(Di-p-tolylphosphaneyl)-2,2',3,3'-tetrahydro-1,1'-spirobi[inden]-7-yl)di-p-tolylphosphine oxide 1g