Synthesis and Structure of Cyclic Phosphopeptides Containing a Phosphodiester Linkage

Anita H. van Oijen, Stefan Behrens, Dale F. Mierke, Horst Kessler, Jacques H. van Boom, Rob M.J. Liskamp

Research output: Contribution to journalArticlepeer-review

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Abstract

The synthesis of three cyclic phosphopeptides, which contain a phosphodiester linkage, is described. Starting from either Boc-L-Ser(OBn)-OH or Boc-L-Thr(OBn)-OH, three precursors for the macrocyclization by phosphitylation were prepared. After phosphitylation, using 4-chlorobenzyl bis(N,N-diisopropylamino)phosphinite or 4-chlorobenzyl dichlorophosphinite, subsequent oxidation and hydrogenolysis the cyclic phosphopeptides 18–20 were obtained. The solution conformation of cyclic phosphopeptide 18 was studied by NMR spectroscopy and restrained molecular dynamics calculations.

Original languageEnglish
Pages (from-to)3722-3730
Number of pages9
JournalJournal of Organic Chemistry
Volume58
Issue number14
DOIs
StatePublished - 1993

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