SpiroChem AG:
Rosental area, WRO-1047-3
Mattenstrasse 22
4058 Basel, Switzerland


Tel: + 41 61 685 95 00
E-mail: contact@spirochem.com


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Covalent fragments
Covalent fragments

Covalent targeting in medicinal chemistry and chemical biology

Covalent targeting is playing an increasing role in medicinal chemistry and chemical biology. Covalent targeted inhibitors typically result from a structure-based design, starting with optimized reversible ligands that are then modified by the addition of a warhead to attack a proximal amino acid. More recently, different approaches, such as the fragment-based one, have emerged as alternative strategies.

Expertise in covalent warhead synthesis

Across many projects, SpiroChem has acquired experience in the synthesis of warheads targeting Cys, Cys/Lys, Lys/Tyr, Lys/Tyr/Ser.

Our computational and medicinal chemists are active in:

  • Structural analysis
    • Search/evaluation of potential covalent binding site(s)
    • Multiple warheads analysis and assessment
    • Design of focused library upon target
  • Docking/Virtual screening
    • Screening of in-house virtual combinatorial library
    • Specific covalent docking workflow
  • Synthesis of customized libraries covering novel structural space
  • Fast hit validation and productive hit expansion
Covalent fragments

High diversity

At SpiroChem, we’re using our knowledge to design innovative covalent fragments with high 3D diversity shape which improves pharmacophore coverage and solubility.

With 450 covalent fragments in stock, SpiroChem offers novel high-value starting points for your discovery projects.

All fragments are in stock and available as powder from 1mg.

Covalent fragments

High diversity

At SpiroChem, we’re using our knowledge to design innovative covalent fragments with high 3D diversity shape which improves pharmacophore coverage and solubility.

With 450 covalent fragments in stock, SpiroChem offers novel high-value starting points for your discovery projects.

All fragments are in stock and available as powder from 1mg.

Covalent fragments

High diversity

At SpiroChem, we’re using our knowledge to design innovative covalent fragments with high 3D diversity shape which improves pharmacophore coverage and solubility.

With 450 covalent fragments in stock, SpiroChem offers novel high-value starting points for your discovery projects.

All fragments are in stock and available as powder from 1mg.

Covalent fragments

High diversity

At SpiroChem, we’re using our knowledge to design innovative covalent fragments with high 3D diversity shape which improves pharmacophore coverage and solubility.

With 450 covalent fragments in stock, SpiroChem offers novel high-value starting points for your discovery projects.

All fragments are in stock and available as powder from 1mg.

Covalent fragments

High diversity

At SpiroChem, we’re using our knowledge to design innovative covalent fragments with high 3D diversity shape which improves pharmacophore coverage and solubility.

With 450 covalent fragments in stock, SpiroChem offers novel high-value starting points for your discovery projects.

All fragments are in stock and available as powder from 1mg.

Covalent fragments

Let’s work together

  • Get access to our fragment collection
  • Get support from SpiroChem chemists for efficient hit expansion
  • Get support to design a customized library covering novel structural space
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