Issue 94, 2012

Efficient asymmetric synthesis of trifluoromethylated β-aminophosphonates and their incorporation into dipeptides

Abstract

Addition of anions derived from dialkyl methylphosphonates to (Ss)-N-tert-butanesulfinyl (3,3,3)-trifluoroacetaldimine afforded (Ss,R) addition adducts in moderate to good yield (53–75%) with excellent diastereoselectivity (94–95% de). After selective removal of the N-sulfinyl group, dipeptides containing enantiomerically pure diethyl 2-amino-3,3,3-trifluoropropylphosphonate were synthesized to investigate the influence of the trifluoromethyl substituent on N-terminal coupling.

Graphical abstract: Efficient asymmetric synthesis of trifluoromethylated β-aminophosphonates and their incorporation into dipeptides

Supplementary files

Article information

Article type
Communication
Submitted
14 Sep 2012
Accepted
09 Oct 2012
First published
09 Oct 2012

Chem. Commun., 2012,48, 11519-11521

Efficient asymmetric synthesis of trifluoromethylated β-aminophosphonates and their incorporation into dipeptides

K. V. Turcheniuk, K. O. Poliashko, V. P. Kukhar, A. B. Rozhenko, V. A. Soloshonok and A. E. Sorochinsky, Chem. Commun., 2012, 48, 11519 DOI: 10.1039/C2CC36702E

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