Description

L-Rhamnose Diethylmercaptal is a specialized carbohydrate derivative where the carbonyl group of L-rhamnose is protected as a diethyl dithioacetal. This chemical modification enhances stability and alters reactivity, making it a valuable chiral intermediate and protecting group in sophisticated organic synthesis. It is particularly sought after by research chemists and process development scientists in the pharmaceutical and fine chemical industries for constructing complex molecular architectures. The compound's unique structure facilitates stereocontrolled reactions and serves as a key building block for bioactive molecules and novel materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial chiral synthon for the development of novel active pharmaceutical ingredients (APIs), especially in antiviral, antibacterial, and anticancer research.
• Glycochemistry & Glycobiology Research: Used as a protected form of L-rhamnose for the synthesis of complex oligosaccharides, glycoconjugates, and probes to study carbohydrate-protein interactions.
• Fine Chemical Synthesis: Acts as a versatile building block in asymmetric synthesis for creating flavors, fragrances, and other high-value specialty chemicals.
• Process Chemistry & Scale-up: Employed in route scouting and optimization for the commercial production of rhamnose-containing compounds where the dithioacetal group offers strategic advantages.
• Academic & Industrial R&D: A key reagent in methodological development for new synthetic transformations and catalysis studies.
• Material Science: Potential precursor for designing chiral ligands, catalysts, or functional polymers with specific stereochemical properties.

Basic Information

Product Name	L-Rhamnose Diethylmercaptal
CAS No.	6748-70-5
Molecular Formula	C10H22O4S2
Molecular Weight	270.41 g/mol
Synonyms	L-Rhamnose Diethyl Dithioacetal; (2R,3R,4R,5R)-2,3,4,5-Tetrahydroxy-1,1-bis(ethylthio)hexane; 6-Deoxy-L-mannose Diethyl Dithioacetal; 1,1-Bis(ethylthio)-6-deoxy-L-mannitol; L-Rhamnose Diethyl Dithioacetal; L-(-)-Rhamnose Diethylmercaptal; 6-Deoxy-L-mannose Diethylmercaptal
EINECS	Contact for details

Quality Control

Our L-Rhamnose Diethylmercaptal is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis to confirm stereochemical integrity, and identity confirmation via IR and NMR spectroscopy. We provide full traceability and a detailed Certificate of Analysis (COA) with every shipment, ensuring compliance with your research and development specifications. Custom purity grades and analytical packages are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from strong oxidizing agents. For long-term storage under an inert atmosphere such as argon or nitrogen is recommended.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Optical Rotation [α]²⁰D	Contact for details
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.