[(salen)Al]-Mediated, controlled and stereoselective ring-opening polymerization of lactide in solution and without solvent: synthesis of highly isotactic polylactide stereocopolymers from racemic D,L-lactide
Angew Chem Int Ed Engl. 2002 Dec 2;41(23):4510-3.
doi: 10.1002/1521-3773(20021202)41:23<4510::AID-ANIE4510>3.0.CO;2-L.