Aqueous synthesis of N,S-dialkylthiophosphoramidates: design, optimisation and application to library construction and antileishmanial testing.
Milena Trmčić, Frances L Chadbourne, Paul M Brear, Paul W Denny, Steven L Cobb, David R W Hodgson
Index: Org. Biomol. Chem. 11(16) , 2660-75, (2013)
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Abstract
We recently reported the use of PSCl3 for the thiophosphorylation of alkylamines where the resulting N-thiophosphoramidate ions could be readily S-alkylated (Chem. Commun., 2011, 47, 6156-6158.). Herein we report the development of this methodology using amino acid, amino sugar, aminonucleoside and aniline substrates. The hydrolysis properties of N-thiophosphoramidate ions and their reactivities towards alkylating agents are also explored. In addition, we demonstrate the application of our approach to the preparation of a small library of compounds, including quinoline-based N,S-dialkylthiophosphoramidates which were tested for antileishmanial activity.
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