Ac. Comely et al., Transition metal complexes as linkers for solid phase synthesis: chromium carbonyl complexes as linkers for arenes, J CHEM S P1, (20), 2001, pp. 2526-2531
Substrates containing aromatic rings have been attached to 'polymer support
ed triphenylphosphine' using a chromium carbonyl linker, chemically manipul
ated, and released from the polymer to demonstrate the potential use of pi
-bound ligands in linker chemistry. Immobilisation of the phenylalanine der
ivative Fmoc-Phe-OtBu via its aromatic ring has been achieved and the resul
ting resin successfully subjected to standard amino acid deprotection and c
oupling procedures.