Fig. 2From: Phosphonates enantiomers receiving with fungal enzymatic systems31PNMR spectra recorded with the addition of α-CD used as chiral solvating agent at pD ≈ 11–12; after biotransformation of compound 1 catalyzed by a Rhodotorula mucilaginosa (99% e.e.) b Aspergillus niger (89% e.e.); c 31P NMR spectrum of starting racemic mixture of compound 1 recorded with addition of α-CD at pD ≈ 12Back to article page