Managing Type 2 diabetes effectively often relies on advanced pharmaceutical interventions, and the quality of the raw materials used in these medications is critical. Teneligliptin hydrobromide api 906093-29-6 serves as the fundamental active ingredient in one of the most reliable anti-diabetic medications available today. This potent Dipeptidyl Peptidase-4 (DPP-4) inhibitor helps patients maintain stable blood glucose levels by targeting specific enzyme pathways. Pharmaceutical manufacturers and formulators must understand the specific properties, synthesis methods, and quality standards associated with this API to ensure patient safety and drug efficacy.
What is Teneligliptin Hydrobromide API and how does it work?
Teneligliptin HBr acts as a highly potent and long-acting DPP-4 inhibitor, primarily prescribed for the treatment of Type 2 diabetes mellitus. Unlike some older classes of diabetic drugs, this compound offers a sophisticated mechanism of action.
Chemical Identity and Binding Mechanism
The molecule features a unique structure consisting of five consecutive rings. This distinctive “J-shaped” or anchor-locked structure plays a pivotal role in its efficacy. The structural design allows the molecule to bind tightly to the S1, S2, and S2 extensive subsites of the DPP-4 enzyme. This strong binding affinity ensures sustained inhibition, even over extended periods. Consequently, this leads to a more predictable therapeutic effect compared to inhibitors with weaker binding profiles.
Therapeutic Role in Glucose Stabilization
The primary function of this API revolves around the preservation of incretin hormones, specifically Glucagon-Like Peptide-1 (GLP-1) and Glucose-Dependent Insulinotropic Polypeptide (GIP). Normally, the DPP-4 enzyme degrades these hormones rapidly after a meal. By inhibiting this enzyme, Teneligliptin extends the active life of incretins. This action stimulates the pancreas to secrete insulin in a glucose-dependent manner while suppressing glucagon secretion. As a result, blood sugar levels drop after meals, and fasting glucose levels stabilize without a high risk of hypoglycemia.
What are the key chemical specifications for teneligliptin hydrobromide api 906093-29-6?
Pharmaceutical manufacturers must adhere to strict chemical specifications to ensure the safety and consistency of the final drug product. The following table details the necessary technical data for this API.
Technical Summary
|
Specification |
Detail |
|
CAS Number |
906093-29-6 |
|
Chemical Name |
Teneligliptin Hydrobromide |
|
Common Synonyms |
Teneligliptin HBr, Tenelia, Teneligliptin Hemipentahydrobromide Hydrate |
|
Molecular Formula |
$C_{22}H_{30}N_{6}OS \cdot 2.5HBr \cdot xH_2O$ (Salt form varies, verify specific hydrate) |
|
Molecular Weight |
~628.86 g/mol (varies slightly based on hydration/salt stoichiometry) |
|
Appearance |
White to off-white crystalline powder |
|
Solubility |
Highly soluble in water; soluble in methanol; slightly soluble in ethanol |
|
Assay (HPLC) |
$\ge$ 99.0% |
|
Melting Point |
Approximately 208°C – 215°C (decomposition) |
|
Storage Condition |
Store in a cool, dry place (0-4°C recommended); protected from light |
What features define high-quality Teneligliptin HBr API?
Sourcing the right raw material involves more than just checking the CAS number. High-quality teneligliptin hydrobromide api 906093-29-6 must meet rigorous physical and chemical standards.
Purity Standards
Pharmaceutical grade API requires an assay purity of at least 99.0%. However, premium suppliers often achieve purities exceeding 99.5%. High purity reduces the risk of unknown side effects caused by synthesis byproducts. Impurities, such as residual solvents or unreacted intermediates, must remain below strict thresholds defined by pharmacopeial standards (like USP or JP).
Physical Properties
The physical form of the API impacts how easily it can be processed into tablets. A consistent white to off-white crystalline powder suggests a stable polymorph. Particle size distribution (PSD) also matters significantly. If the particles are too large or irregular, they may not dissolve properly in the body. Manufacturers typically look for a micronized powder that flows well during the tableting process.
Stability and Storage
Stability dictates the shelf life of the final product. Teneligliptin HBr is generally stable, but it can be sensitive to moisture and light. Optimal storage conditions usually involve airtight containers kept at 0-4°C for short-term storage or -20°C for long-term preservation. Proper packaging prevents hygroscopic absorption.
How is Teneligliptin Hydrobromide synthesized?
The synthesis of teneligliptin hydrobromide cas 906093-29-6 is a multi-step chemical process requiring precision and control. Understanding this route helps manufacturers identify potential impurity risks.
Process Overview
The synthesis generally begins with the preparation of the proline derivative and the phenyl ring component.
- Formation of the Core Structure: The process starts by reacting L-proline derivatives with specific thiazolidine compounds to form the core five-ring backbone.
- Coupling Reaction: Chemists couple the piperazine derivative with the thiazolidine intermediate. This step creates the necessary “anchor” part of the molecule.
- Salt Formation: The final step involves reacting the free base Teneligliptin with hydrobromic acid (HBr). This conversion creates the hydrobromide salt.
Key Intermediates
Several critical intermediates appear during this process. The quality of the final API depends heavily on the purity of these precursors. Common intermediates include 1-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazine and protected proline derivatives. Suppliers must certify the purity of these starting materials to ensure the final reaction yields a clean product.
Quality Control
Throughout the synthesis, chemists perform rigorous testing. They use High-Performance Liquid Chromatography (HPLC) to detect impurities at each stage. Structural confirmation occurs via Nuclear Magnetic Resonance (NMR) and Mass Spectrometry (MS). These controls ensure that the final salt form matches the theoretical molecular structure perfectly.
Why is Teneligliptin HBr preferred in pharmaceutical formulations?
Formulators favor Teneligliptin over other gliptins due to its unique pharmacokinetic profile and formulation flexibility.
Clinical Advantages
One of the most significant advantages of Teneligliptin is its route of elimination. The body excretes it via both hepatic (liver) and renal (kidney) pathways. This dual elimination means that patients with mild to moderate renal impairment often do not require dose adjustments. This feature simplifies prescription protocols for doctors treating diabetic patients who may also suffer from kidney complications.
Formulation Versatility
From a manufacturing perspective, Teneligliptin HBr is highly versatile. It is compatible with common excipients used in oral solid dosage forms, such as lactose, microcrystalline cellulose, and magnesium stearate. Its high water solubility aids in rapid dissolution.
Safety Profile
Long-term studies indicate a favorable safety profile. While all drugs carry risks, Teneligliptin shows a low incidence of hypoglycemia when used as a monotherapy. Furthermore, it does not significantly impact body weight.
How do you choose reliable Teneligliptin Hydrobromide suppliers?
Selecting a vendor for teneligliptin hydrobromide manufacturers requires careful due diligence. The cheapest option is rarely the safest choice in the pharmaceutical industry.
Compliance Standards
Your supplier must adhere to Good Manufacturing Practices (GMP). A GMP certificate confirms that the manufacturer follows strict quality assurance protocols. Additionally, the availability of a Drug Master File (DMF) is necessary. A DMF allows you to reference the supplier’s manufacturing details in your own regulatory filings without disclosing their proprietary trade secrets.
Supply Chain Factors
Evaluate the supplier’s capacity for bulk supply. Can they scale up production if your product demand increases? Lead times are also critical; delays in API delivery can halt your entire manufacturing line. Reliable suppliers provide transparent documentation.
Global Availability
Different markets have different regulatory requirements. If you plan to sell your final product in multiple countries, ensure your API source meets the regulatory standards of all target regions. Some suppliers specialize in specific markets.
Frequently Asked Questions about Teneligliptin HBr API
What is the difference between Teneligliptin free base and HBr salt?
The free base is the pure active molecule, but it often has lower water solubility. The Hydrobromide (HBr) salt form significantly improves solubility and stability. This enhancement makes the HBr salt much easier for the body to absorb and easier for manufacturers to formulate into effective tablets.
What is the standard dosage for Teneligliptin formulations?
Most formulations utilize a standard dosage of 20mg administered once daily. In some cases where glycemic control is insufficient, physicians may increase the dose to 40mg daily, subject to medical advice.
Does Teneligliptin HBr require dose adjustment for kidney disease?
Generally, no. Due to its dual elimination pathway (liver and kidney), Teneligliptin typically does not require dose adjustment in patients with mild to moderate renal impairment. However, patients with severe renal failure should always consult their healthcare provider for specific guidance.
