1-Boc Piperazine: A Versatile Intermediate in Medicinal Chemistry


1-Boc Piperazine is a widely used chemical intermediate in pharmaceutical research, known for its role in the synthesis of a wide variety of bioactive molecules. The compound features a piperazine ring protected by a Boc (tert-butoxycarbonyl) group, which enhances its stability and selecti

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Chemical Identity

  • IUPAC Name: 1-(tert-Butoxycarbonyl)piperazine

  • CAS Number: 57260-71-6

  • Molecular Formula: C9H18N2O2

  • Molecular Weight: 186.25 g/mol

  • Appearance: White to off-white crystalline powder

  • Solubility: Soluble in common organic solvents such as dichloromethane, methanol, and acetonitrile


Structural Features

1-Boc Piperazine consists of a six-membered piperazine ring, where one nitrogen is protected with a tert-butoxycarbonyl (Boc) group. This protection:

  • Enhances the selective functionalization of the second nitrogen

  • Provides stability under basic conditions

  • Is easily removed under acidic conditions, making it ideal for stepwise synthesis


Applications of 1-Boc Piperazine

1. Pharmaceutical Intermediate

It is a key building block in the synthesis of several classes of drugs, including:

  • Antipsychotics

  • Antidepressants

  • Anti-inflammatory agents

  • Anti-cancer compounds

The Boc group allows for temporary protection during multi-step synthesis, enabling the development of diverse heterocyclic scaffolds.

2. Medicinal Chemistry and Drug Discovery

1-Boc Piperazine is commonly used in combinatorial chemistry and lead optimization, offering:

  • Increased lipophilicity

  • Improved pharmacokinetic properties

  • Potential for receptor binding enhancement

3. Custom Peptidomimetic Synthesis

In the design of peptidomimetics, 1-Boc Piperazine serves as a flexible spacer or scaffold that mimics peptide bonds, useful in:

  • Enzyme inhibitors

  • Signal transduction mimics

  • Receptor ligands


Handling and Safety

  • Hazards: May cause skin or eye irritation

  • Precautions: Handle with gloves and eye protection; avoid inhalation or prolonged exposure

  • Storage Conditions: Store in a tightly sealed container, in a cool, dry place away from acids


Packaging and Supply

Available in:

  • Small Packs: 5g, 25g, 100g for research use

  • Bulk Quantities: 1kg, 5kg, and custom volumes for commercial production

Supplied with COA, MSDS, and global shipping options.


Conclusion

1-Boc Piperazine is a cornerstone intermediate in the field of organic and medicinal chemistry. Its versatility, ease of use, and clean deprotection make it a preferred choice for researchers and manufacturers developing advanced drug candidates and custom molecules.

Need bulk or custom-packed 1-Boc Piperazine? Contact us for quotations, technical documentation, and application support tailored to your RD or production goals.

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