Description

3-Methylbutanoic Acid 4-[(Acetyloxy)Methyl]-7-Formyl-1,3,4,7A-Tetrahydro-1-Hydroxycyclopenta[C]Pyran-4-Yl Ester is a specialized organic ester with a complex bicyclic structure, offering unique chemical functionality for advanced synthesis. This compound is valued for its role as a key chiral intermediate in the production of high-value fine chemicals and active pharmaceutical ingredients (APIs). It is primarily sought by pharmaceutical R&D and advanced organic synthesis laboratories for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of complex drug molecules, particularly those with cyclopentane or pyran ring systems.
• Chiral Synthesis: Utilized in asymmetric synthesis to introduce specific stereochemistry into target compounds.
• Fine Chemical Production: Serves as a precursor for fragrances, flavors, and other high-purity specialty chemicals.
• Academic & Industrial Research: Used in chemical research for methodology development and exploring new reaction pathways.
• Agrochemical Synthesis: Potential intermediate in the development of novel, biologically active compounds for crop protection.

Basic Information

Product Name	3-Methylbutanoic Acid 4-[(Acetyloxy)Methyl]-7-Formyl-1,3,4,7A-Tetrahydro-1-Hydroxycyclopenta[C]Pyran-4-Yl Ester
CAS No.	71013-41-7
Molecular Formula	C18H24O7
Molecular Weight	352.38 g/mol
Synonyms	4-[(Acetyloxy)methyl]-7-formyl-1,3,4,7a-tetrahydro-1-hydroxycyclopenta[c]pyran-4-yl 3-methylbutanoate; 3-Methylbutyric Acid 4-(Acetoxymethyl)-7-formyl-1,3,4,7a-tetrahydro-1-hydroxycyclopenta[c]pyran-4-yl Ester; Isovaleric Acid Derivative Cyclopentapyran Ester; (4R,4aS,7aR)-4-(Acetoxymethyl)-7-formyl-1,3,4,4a,5,7a-hexahydrocyclopenta[c]pyran-1,4-diyl Dilisovalerate (related structure); Cyclopenta[c]pyran-4-yl Ester Intermediate
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for this high-purity intermediate. Production follows cGMP guidelines where applicable, and every batch is analyzed using advanced techniques like HPLC and GC to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, chiral purity (enantiomeric excess), and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere (nitrogen or argon). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% e.e.
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.