Group 4 salalen complexes for the production and degradation of polylactide.

Group 4 salalen complexes for the production and degradation of polylactide.

Chemical communications (Cambridge, England) (2011-08-13)

Emma L Whitelaw, Matthew G Davidson, Matthew D Jones

ABSTRACT

In this communication we report the preparation of highly active catalysts for the production of polylactide and the subsequent conversion of polylactide to methyl lactate. The use of these catalysts for potential recycling applications is discussed.

MATERIALS

Product Number

Brand

Product Description

69822

Sigma-Aldrich

Methyl DL-lactate, ≥97.0% (GC)

230340

Sigma-Aldrich

(−)-Methyl L-lactate, 98%, optical purity ee: 97% (GLC)

277762

Sigma-Aldrich

(+)-Methyl D-lactate, 98%, optical purity ee: 96% (GLC)