Description

(4R)-4-Acetoxy-1-Acetoxymethyl-4Aα,7,7Aβ,8,8Aβ,8Bα-Hexahydro-8,8-Dimethyl-7-Oxo-4H-Cyclopropa[3,4]Cyclohepta[1,2-C]Pyran-5-Carbaldehyde is a complex, high-purity synthetic intermediate characterized by its unique fused-ring system containing cyclopropane and pyran moieties. This compound is of significant value in advanced organic synthesis, serving as a critical chiral building block for the construction of intricate molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical and fine chemical industries for the synthesis of novel active pharmaceutical ingredients (APIs) and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the multi-step synthesis of complex drug candidates, particularly those with sterically demanding or polycyclic frameworks.
• Fine Chemical Synthesis: Used in research-scale and pilot-scale production of specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Academic & Industrial R&D: Serves as a valuable scaffold in methodological chemistry research for developing new synthetic routes and studying reaction mechanisms.
• Agrochemical Intermediate: Potential use in the synthesis of advanced, biologically active molecules for crop protection agents.
• Material Science Precursor: Can be utilized in the development of novel organic materials and ligands for catalysis due to its rigid, functionalized structure.

Basic Information

Product Name	(4R)-4-Acetoxy-1-Acetoxymethyl-4Aα,7,7Aβ,8,8Aβ,8Bα-Hexahydro-8,8-Dimethyl-7-Oxo-4H-Cyclopropa[3,4]Cyclohepta[1,2-C]Pyran-5-Carbaldehyde
CAS No.	73407-81-5
Molecular Formula	C19H24O7
Molecular Weight	364.39 g/mol
Synonyms	4-Acetoxy-1-acetoxymethyl-4aα,7,7aβ,8,8aβ,8bα-hexahydro-8,8-dimethyl-7-oxo-4H-cyclopropa[3,4]cyclohepta[1,2-c]pyran-5-carbaldehyde; (4R)-Form of the above; CAS 73407-81-5; Cyclopropa[3,4]cyclohepta[1,2-c]pyran-5-carbaldehyde derivative; Hexahydro dimethyl oxo cyclopropacycloheptapyran carbaldehyde diacetate.
EINECS	Contact for details

Quality Control

Our (4R)-4-Acetoxy-1-Acetoxymethyl-4Aα,7,7Aβ,8,8Aβ,8Bα-Hexahydro-8,8-Dimethyl-7-Oxo-4H-Cyclopropa[3,4]Cyclohepta[1,2-C]Pyran-5-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification, to ensure it meets the high standards required for research and process development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound may be sensitive to moisture and should be handled under inert atmosphere for long-term storage to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
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.