Description

2H-Pyran, 2-Ethynyltetrahydro-3-Methoxy-, cis- (9Ci) is a specialized heterocyclic building block featuring a cis-configured pyran ring with ethynyl and methoxy substituents. This compound is valued for its unique molecular architecture, which makes it a versatile intermediate in advanced synthetic chemistry. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for constructing complex molecules and exploring novel chemical spaces.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides, leveraging its reactive ethynyl group.
• Material Science Research: Serves as a precursor for developing advanced polymers or functional materials with specific optical or electronic properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex natural product analogs and other heterocyclic compounds.
• Ligand and Catalyst Development: The ethynyl group can be utilized to create novel ligands for catalytic systems or metal-organic frameworks (MOFs).

Basic Information

Product Name	2H-Pyran, 2-Ethynyltetrahydro-3-Methoxy-, cis- (9Ci)
CAS No.	202604-42-0
Molecular Formula	C8H10O2
Molecular Weight	138.16 g/mol
Synonyms	cis-2-Ethynyl-3-methoxytetrahydro-2H-pyran; 3-Methoxy-2-ethynyltetrahydro-2H-pyran, cis-; 2-Ethynyltetrahydro-3-methoxy-2H-pyran; Tetrahydro-3-methoxy-2-ethynyl-2H-pyran; 2H-Pyran, 2-ethynyltetrahydro-3-methoxy-, (2R,3S)-rel-; (2R,3S)-rel-2-Ethynyl-3-methoxytetrahydro-2H-pyran
EINECS	Contact for details

Quality Control

Our 2H-Pyran, 2-Ethynyltetrahydro-3-Methoxy-, cis- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its highly volatile nature, ensure containers are properly sealed when not in use and kept away from heat and ignition sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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