Add time:07/26/2019         Source:sciencedirect.com

A diastereomeric mixture of Rp- and Sp- N-[O-methyl phosphorothioic acid]leucinamides were synthesized by thiophosphorylation of leucinamide followed by monodealkylation of the phosphate methyl ester. Individual diastereomers were prepared by a sequence utilizing selective protection of the thioic acid moiety as the S-benzyl group, chromatographic separation, and deprotection.

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