Description

2H-1-Benzopyran,2-Ethenyl-3,4-Dihydro-6-Methoxy-2-Methyl-,(2R)-(9Ci) is a chiral, substituted chromane derivative of significant interest in advanced organic synthesis and pharmaceutical research. This compound matters as a sophisticated chemical intermediate, offering a defined stereocenter and a reactive ethenyl group for constructing complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for developing new active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of potential therapeutic agents, particularly those targeting neurological or cardiovascular pathways.
• Agrochemical Research: Used in the development of novel pesticides or herbicides where the chromane scaffold can impart specific biological activity.
• Fine Chemical Synthesis: Acts as a precursor for flavors, fragrances, and other specialty chemicals requiring high stereochemical purity.
• Material Science: Investigated as a monomer or modifying agent for advanced polymers with specific optical or electronic properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in asymmetric synthesis and catalysis.

Basic Information

Product Name	2H-1-Benzopyran,2-Ethenyl-3,4-Dihydro-6-Methoxy-2-Methyl-,(2R)-(9Ci)
CAS No.	783332-77-4
Molecular Formula	C13H16O2
Molecular Weight	204.26 g/mol
Synonyms	(2R)-2-Ethenyl-6-methoxy-2-methyl-3,4-dihydro-2H-1-benzopyran; (R)-2-Vinyl-6-methoxy-2-methylchroman; 6-Methoxy-2-methyl-2-vinylchroman (R-enantiomer); (R)-2-Ethenyl-6-methoxy-2-methylchroman; (R)-6-Methoxy-2-methyl-2-vinyl-3,4-dihydro-2H-chromene; (2R)-2-Vinyl-6-methoxy-2-methyl-3,4-dihydro-2H-chromene; (R)-2-Methyl-2-vinyl-6-methoxychroman
EINECS	Contact for details

Quality Control

Our 2H-1-Benzopyran,2-Ethenyl-3,4-Dihydro-6-Methoxy-2-Methyl-,(2R)-(9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high chiral purity and chemical integrity, meeting the stringent requirements of research and development applications. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Related Substances (HPLC)	Total impurities ≤ 2.0%

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