Description

(Z)-4-(Methoxymethylene)-2,2-Dimethyltetrahydro-2H-Pyran is a specialized organic building block featuring a protected aldehyde functionality within a cyclic ether framework. This compound is valued for its role as a versatile chiral synthon in the synthesis of complex natural products and active pharmaceutical ingredients (APIs). It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries for constructing stereodefined molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of prostaglandins, terpenes, and other bioactive molecules with defined stereochemistry.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides where specific stereoisomers are required for optimal activity.
• Fine Chemical Production: Serves as a building block for fragrances, flavors, and advanced materials requiring high-purity, stereochemically pure components.
• Academic & Industrial Research: Employed in methodological development and total synthesis projects within organic chemistry laboratories.
• Asymmetric Catalysis Substrate: Utilized in studies and processes exploring new chiral induction and transformation methods.

Basic Information

Product Name	(Z)-4-(Methoxymethylene)-2,2-Dimethyltetrahydro-2H-Pyran
CAS No.	55733-50-1
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	2,2-Dimethyl-5,6-dihydro-4H-pyran-4-carboxaldehyde dimethyl acetal; (Z)-4-(Methoxymethylene)-2,2-dimethyl-3,4,5,6-tetrahydro-2H-pyran; 4-(Methoxymethylene)-2,2-dimethyltetrahydro-2H-pyran; 2,2-Dimethyl-5,6-dihydro-2H-pyran-4-carboxaldehyde dimethyl acetal; (4Z)-4-(Methoxymethylene)-2,2-dimethyloxane
EINECS	Contact for details

Quality Control

Our (Z)-4-(Methoxymethylene)-2,2-Dimethyltetrahydro-2H-Pyran is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by GC or HPLC, to ensure it meets the high standards required for advanced synthetic applications. A detailed Certificate of Analysis (COA) specifying identity, purity, and impurity profile is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and strong bases. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Chiral Purity (GC/HPLC)	≥ 98.0% (Z-isomer)
Water Content (KF)	≤ 0.5%

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