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Eccentric PPI Library

Preferred format:
Desirable size of the custom library selection:
  • Mg
  • uMol


Nature “sees” molecules as 3D surfaces of chemical information. Therefore the biological activity of any given molecule is intrinsically dependent upon its 3D shape
Diversity of PPI Library
The molecular shape diversity of a small molecule library is the most fundamental indicator of overall functional diversity
Although the term “diversity” is somewhat subjective, there are six principle components of structural diversity that have been consistently identified in the literature
1) Scaffold diversity - presence of a range of distinct molecular scaffolds;
2) Functional group diversity - variation in the functional groups present;
3) Appendage diversity (substituent or building-block diversity) - variation in structural moieties around a common scaffold;
4) Stereochemical diversity - variation in the orientation of potential macromolecule- interacting elements;
5) Conformational diversity - variation of possible conformers of molecules;
6) Chain diversity – presence of different distinct chains (especially if scaffold is not determined uniquely)


Tsaloev A., Ilyin A., Tkachenko S., Ivachtchenko A., Kravchenko D., Krasavin M. Cyclic products of the Ugi reaction of aldehydo and keto carboxylic acids: chemoselective modification. Tetrahedron Letters. 2011, 52: 1800–1803.

Kysil V., Khvat A., Tsirulnikov S., Tkachenko S, Williams C., Churakova M., Ivachtchenko A. General Multicomponent Strategy for the Synthesis of 2-Amino-1,4-diazaheterocycles: Scope, Limitations, and Utility. European Journal of Organic Chemistry. 2010; 1525–1543.

Kysil V.M., Khvat A., Tsirulnikov S., Tkachenko S., Ivachtchenko A. Multicomponent approach to unique 1,4-diazepine-2-amines. Tetrahedron Letters. 2009; 50(24): 2854-2856.

Balakin K.V., Ivanenkov Y.A., Tkachenko S.E., Kiselyov A.S., Ivachtchenko A.V. Regulators of chemokine receptor activity as promising anticancer therapeutics. Current Cancer Drug Targets. 2008; 8(4): 299-34.

Kiselyov A.S., Tkachenko S.E., Balakin K.V., Ivachtchenko A.V. Small-molecule modulators of Hh and Wnt signaling pathways. Expert Opinion on Therapeutic Targets. 2007; 11(8): 1087-1101.

Savchuk N.P., Tkachenko S.E., Balakin K.V. Design of pGPCR-targeted Libraries. In Rognan D., ed. Ligand Design for G Protein-coupled Receptors. Methods and Principles in Medicinal Chemistry (Volume 30). Weinheim: Wiley VCH. 2006, pp. 137-164.

Kysil V., Tkachenko S., Khvat A., Williams C., Tsirulnikov S., Churakova M., Ivachtchenko A. TMSCl-Promoted Isocyanide-Based MCR of Ethylenediamines: an Efficient Assembling of 2-Aminopyrazine Core. Tetrahedron Letters, 2007; 48(36): 6239-6244.
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