Steering the azido–tetrazole equilibrium of 4-azidopyrimidines via substituent variation – implications for drug design and azide–alkyne cycloadditions

Author:

Thomann A.1234,Zapp J.5634,Hutter M.5734,Empting M.1234,Hartmann R. W.12345

Affiliation:

1. Helmholtz Institute for Pharmaceutical Research Saarland (HIPS)

2. Department for Drug Design and Optimization (DDOP)

3. 66123 Saarbrücken

4. Germany

5. Saarland University

6. Department of Pharmaceutical Biology

7. Center for Bioinformatics

Abstract

Variations of substituents at 2-substituted 4-azidopyrimidines allowed us to shift the azido–tetrazole equilibrium to either of the two constitutional isomers. This can be exploited for click chemistry and fragment-based drug design.

Funder

Bundesministerium für Bildung und Forschung

Publisher

Royal Society of Chemistry (RSC)

Subject

Organic Chemistry,Physical and Theoretical Chemistry,Biochemistry

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