Description

2(3H)-Furanone,5-Ethyldihydro-3-(2-Propenyloxy)-,(3R,5R)-Rel-(9Ci) is a high-purity, stereochemically defined chiral lactone derivative. This compound serves as a valuable advanced pharmaceutical intermediate (API) and a versatile building block for complex organic synthesis. It is essential for research and production in the pharmaceutical, agrochemical, and fine chemical sectors, where precise stereochemistry and high purity are critical for efficacy and process reliability.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in stereoselective routes.
• Agrochemical Synthesis: Used in the research and development of novel, optically active pesticides and herbicides.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty chemicals requiring specific stereochemistry.
• Asymmetric Catalysis Research: Valuable substrate or ligand precursor in the development of new catalytic systems for chiral synthesis.
• Academic & Industrial R&D: Employed in medicinal chemistry and synthetic methodology research for constructing complex molecular architectures.

Basic Information

Product Name	2(3H)-Furanone,5-Ethyldihydro-3-(2-Propenyloxy)-,(3R,5R)-Rel-(9Ci)
CAS No.	741290-50-6
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	(3R,5R)-rel-5-Ethyl-3-(2-propenyloxy)dihydro-2(3H)-furanone; 5-Ethyl-3-(allyloxy)dihydro-2(3H)-furanone, (3R,5R)-rel-; Dihydro-5-ethyl-3-(2-propen-1-yloxy)-2(3H)-furanone, (3R,5R)-rel-; (rel-(3R,5R))-5-Ethyl-3-(allyloxy)tetrahydro-2-furanone; Allyl ether of 5-ethyldihydro-2(3H)-furanone; Chiral lactone intermediate 741290-50-6
EINECS	Contact for details

Quality Control

Our 2(3H)-Furanone,5-Ethyldihydro-3-(2-Propenyloxy)-,(3R,5R)-Rel-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de
Water Content (KF)	≤ 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.