Introduction of 1,1-Cyclohexanediacetic Acid Mono Amide

News 2025-04-10

1. Chemical Information

  • CAS Number: 99189-60-3
  • Chemical Formula: C₁₀H₁₇NO₃
  • Molecular Weight: 199.24 g/mol
  • Synonyms: 1,1-Cyclohexanediacetic acid monoamide, 3,3-Pentamethyleneglutaramic acid, 1-(2-Amino-2-oxoethyl)cyclohexaneacetic acid

2. Physical and Chemical Properties

  • Appearance: White crystalline powder
  • Melting Point: 141–146°C
  • Solubility: Sparingly soluble in water; soluble in organic solvents such as ethanol and DMSO
  • Stability: Stable under normal conditions; sensitive to moisture and high temperatures

3. Synthesis Method
1,1-Cyclohexanediacetic acid monoamide can be synthesized by reacting 1,1-cyclohexylene diacetic anhydride with ammonia in a controlled manner. The reaction typically involves:

  • Feeding 1,1-cyclohexylene diacetic anhydride into ammonia (10–28% concentration) at a molar ratio of 2–6:1 (ammonia:anhydride).
  • Maintaining the reaction temperature at -5–40°C initially, then gradually heating to 40–70°C post-feeding.
  • Purifying the product via decolorization, acidification, and centrifugal separation.

4. Applications

  • Pharmaceutical Intermediate: Serves as a crucial intermediate in the synthesis of gabapentin, an anticonvulsant and neuropathic pain medication.
  • Research Chemical: Explored for potential applications in treating cancer and inflammation due to its bioactive properties.
  • Organic Synthesis: Acts as a building block for introducing cyclohexane and acetic acid moieties into various pharmaceutical compounds.

5. Safety and Handling

  • Safety Precautions:
    • Wear appropriate PPE (gloves, goggles, lab coat) to avoid skin and eye contact.
    • Store in a cool, dry place away from strong oxidizing agents, acids, and moisture.
  • Toxicity: Limited data available; handle with care to minimize inhalation, ingestion, or skin exposure.

6. Market Availability

  • Supplied by various chemical manufacturers globally, with purity ranging from 98% to 99%.
  • Packaging options include 25g, 100g, 500g, and 1kg containers.
  • Prices vary based on quantity and supplier, with bulk orders often offered at discounted rates.

7. Research and Development

  • Ongoing studies focus on optimizing its synthesis for industrial-scale production and exploring its therapeutic potential in novel drug formulations.