The chiral bidentate phosphonite-phosphite ligand (R)-4-((R)-2-naphtho[1,2-
f]naphtho[2,1-d]1,3,2-dioxaphosphepin-4-ylphenoxy)naphtho[1,2-f]naphtho[2,1
-d]1,3,2-dioxaphosphepin is accessible in three simple steps starting from
o-bromophenol. (C) 2000 Elsevier Science Ltd. All rights reserved.