(11bS)-1-(Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)-1,2,3,4-tetrahydroquinoline

(11bS)-1-(Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)-1,2,3,4-tetrahydroquinoline