Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Phosphines and bisphosphines derived from hindered ortho-substituted diaryl ethers and diarylsulfones by lithiation are, with appropriate substitution patterns, resolvable atropisomeric ligands which form crystalline complexes with palladium dichloride. ... Appropriately substituted ...