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Selective [15N.eta.2] labelling of an NG-propionylated arginine derivative

Kleinmaier, R. and Gschwind, R. M. (2009) Selective [15N.eta.2] labelling of an NG-propionylated arginine derivative. Journal of Labelled Compounds and Radiopharmaceuticals 52 (2), pp. 29-32.

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A straightforward convergent synthesis of [15N[stack 2 ]]-Bz-Arg(N-propionyl)-OEt*TFA is presented. In this approach, the guanidinylation reagent [15N2]-N(boc)-N(propionyl)-S-methylisothiourea is reacted with the side chain amino group of the title compound's ornithine precursor. The guanidinylation step is promoted by stoichiometric addition of HgCl2 to force completion. This method leads ...


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Item type:Article
Institutions:Chemistry and Pharmacy > Institut für Organische Chemie > Arbeitskreis Prof. Dr. Ruth Gschwind
Projects:GRK 760, Graduiertenkolleg Medizinische Chemie
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Keywords:15N-labelling; arginine; S-methylisothiourea
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:10618
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