Asymmetric synthesis of dideazafolate antitumor agents via amidomethylation of nonracemic oxazolidinone imidates, synthesis of LY309887, a cytotoxic dideazafolate analog related to lometrexol

Article abstract of DOI:10.1016/S0040-4039(96)02418-5

The asymmetric synthesis of LY309887, a cytotoxic dideazatetrahydrofolate analog related to lometrexol, has been accomplished via an application of diastereoselective amidomethylation of a chiral titanium (IV) acyloxazolidinone enolate.