(11aR)-12-Hydroxy-1,10-bis(4-(naphthalen-2-yl)phenyl)-4,5,6,7-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine 12-oxide 1g

(11aR)-12-Hydroxy-1,10-bis(4-(naphthalen-2-yl)phenyl)-4,5,6,7-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine 12-oxide 1g