Description

(-)-3-(Methylthio)Propenoic Acid 7,8-Dihydro-5-Hydroxy-2,8,8-Trimethyl-4-Oxo-4H,6H-Benzo[1,2-B:5,4-B']Dipyran-7-Yl Ester is a specialized chiral organic compound featuring a complex benzodipyran core esterified with a methylthiopropenoic acid moiety. This precise molecular architecture makes it a valuable advanced intermediate for the synthesis of fine chemicals and complex natural product analogs. It is primarily sought by pharmaceutical research and development organizations and manufacturers of high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting complex molecular scaffolds.
• Organic Synthesis Research: Used in academic and industrial R&D for constructing complex heterocyclic compounds and studying stereoselective reactions.
• Fine Chemical Production: Acts as a precursor in the manufacture of specialty chemicals, including flavors, fragrances, and advanced materials where specific stereochemistry is required.
• Natural Product Analog Synthesis: Employed to create synthetic analogs of naturally occurring benzopyran-based compounds for biological activity testing.

Basic Information

Product Name	(-)-3-(Methylthio)Propenoic Acid 7,8-Dihydro-5-Hydroxy-2,8,8-Trimethyl-4-Oxo-4H,6H-Benzo[1,2-B:5,4-B']Dipyran-7-Yl Ester
CAS No.	31456-79-8
Molecular Formula	C19H20O6S
Molecular Weight	376.42 g/mol
Synonyms	7,8-Dihydro-5-hydroxy-2,8,8-trimethyl-4-oxo-4H,6H-benzo[1,2-b:5,4-b']dipyran-7-yl (E)-3-(methylthio)acrylate; (E)-7,8-Dihydro-5-hydroxy-2,8,8-trimethyl-4-oxo-4H,6H-benzo[1,2-b:5,4-b']dipyran-7-yl 3-(methylthio)acrylate; 3-(Methylthio)-2-propenoic acid 7,8-dihydro-5-hydroxy-2,8,8-trimethyl-4-oxo-4H,6H-benzo[1,2-b:5,4-b']dipyran-7-yl ester; (-)-3-(Methylthio)acrylic acid 7,8-dihydro-5-hydroxy-2,8,8-trimethyl-4-oxo-4H,6H-benzo[1,2-b:5,4-b']dipyran-7-yl ester
EINECS	Contact for details

Quality Control

Our production of (-)-3-(Methylthio)Propenoic Acid 7,8-Dihydro-5-Hydroxy-2,8,8-Trimethyl-4-Oxo-4H,6H-Benzo[1,2-B:5,4-B']Dipyran-7-Yl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Certificates of Analysis (COA) are provided with each shipment, detailing key parameters such as chiral purity, chemical identity, and impurity profiles. We support cGMP compliance for advanced intermediates and can tailor specifications to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to protect from moisture and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 98.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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