L-Tert-Leucine Methyl Ester Hydrochloride (63038-27-7)

Chemical Properties 

Molecular Formula: 𝐶7𝐻15𝑁𝑂2⋅𝐻𝐶𝑙 (often written as 𝐶7𝐻16 𝐶𝑙𝑁𝑂2)

Molecular Weight: 181.66 g/mol

Appearance: White to almost white crystalline powder

Melting Point: 183–186 °C

Solubility: Soluble in polar solvents such as water and methanol

Specific Rotation: +13.0° to +20.0° (c=1, Methanol)

Purity: Typically >98% to 99%

Stability: Hygroscopic; store in a cool, dark place (often 2–8°C or room temperature under inert gas)

Synonyms

(S)-Methyl 2-amino-3,3-dimethylbutanoate hydrochloride

Methyl (S)-2-amino-3,3-dimethylbutyrate hydrochloride

H-Tle-OMe·HCl

L-tert-Butylglycine methyl ester hydrochloride

L-Valine, 3-methyl-, methyl ester, hydrochloride

 

 

Category:

Uses and Applications

Pharmaceutical Intermediates: It is a vital intermediate for the synthesis of peptidomimetic protease inhibitors, which are crucial in treating various diseases.

Asymmetric Synthesis: It acts as a chiral building block for introducing structural rigidity and unnatural amino acid characteristics into new drug compounds.

Peptide Synthesis: Used in peptide chemistry to improve the stability and bioactivity of peptides.

Chiral Auxiliaries/Ligands: It can be used to synthesize chiral ligands (e.g., in phosphine oxazoline ligand synthesis) or auxiliaries used in asymmetric reactions, such as the aldol reaction.

Agrochemicals: Utilized as an intermediate in the production of specialty chemicals and pesticides.

Safety and Handling

Hazard Identification: Harmful if swallowed, causes skin irritation, and causes serious eye irritation.

Handling: Wear protective equipment (gloves, goggles) and work in a well-ventilated area, preferably a fume hood.

Storage: Store in a tightly sealed container in a cool, dry place to prevent moisture absorption.

L-Tert-Leucine Methyl Ester Hydrochloride (CAS 63038-27-7) is a chiral amino acid derivative, specifically the hydrochloride salt of the methyl ester of L-tert-leucine. It is widely utilized as a key building block in asymmetric synthesis, particularly within the pharmaceutical industry for producing protease inhibitors and other peptidomimetics.

 

 

What is L-Tert-Leucine Methyl Ester Hydrochloride used for?

It is mainly used as an intermediate in pharmaceutical synthesis, especially in peptide and API development.

What is the CAS number of this compound?

The CAS number is 63038-27-7.

Is this compound suitable for research purposes?

Yes, it is widely used in laboratory research and chemical synthesis applications.

What are the storage conditions for this product?

It should be stored in a cool, dry place away from moisture and direct sunlight.

What is the physical form of L-Tert-Leucine Methyl Ester Hydrochloride?

It is typically available as a white to off-white crystalline powder.

FAQs

What is L-Tert-Leucine Methyl Ester Hydrochloride used for?

It is mainly used as an intermediate in pharmaceutical synthesis, especially in peptide and API development.

What is the CAS number of this compound?

The CAS number is 63038-27-7.

Is this compound suitable for research purposes?

Yes, it is widely used in laboratory research and chemical synthesis applications.

What are the storage conditions for this product?

It should be stored in a cool, dry place away from moisture and direct sunlight.

What is the physical form of L-Tert-Leucine Methyl Ester Hydrochloride?

It is typically available as a white to off-white crystalline powder.