Description

(3Ar,6Z,9R,10As,11As)-2,3,3A,10,10A,11A-Hexahydro-3,3,6,9,11A-Pentamethyl-1H-Dicyclopenta[A,D]Cyclononene-1,5,11(4H,9H)-Trione is a high-purity, complex tricyclic ketone compound of significant interest in advanced organic synthesis. Its unique fused ring structure and defined stereochemistry make it a valuable chiral building block and key intermediate for the development of novel active molecules. This product is essential for R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to create compounds with specific three-dimensional architectures.

Application

• Pharmaceutical Intermediate: Serves as a sophisticated chiral scaffold for the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex, polycyclic frameworks.
• Agrochemical Research: Used as a key precursor in the development of new-generation pesticides and herbicides with enhanced efficacy and selectivity.
• Advanced Material Synthesis: Acts as a building block for creating specialized polymers, liquid crystals, or organic electronic materials with tailored properties.
• Catalyst & Ligand Development: Employed in the design and synthesis of novel chiral catalysts and ligands for asymmetric synthesis applications.
• Flavor & Fragrance Chemistry: Potential intermediate for the synthesis of complex, high-value aroma chemicals due to its intricate ketone structure.
• Academic & Industrial R&D: A valuable reference standard and starting material for methodological studies in organic chemistry and total synthesis projects.

Basic Information

Product Name	(3Ar,6Z,9R,10As,11As)-2,3,3A,10,10A,11A-Hexahydro-3,3,6,9,11A-Pentamethyl-1H-Dicyclopenta[A,D]Cyclononene-1,5,11(4H,9H)-Trione
CAS No.	58298-76-3
Molecular Formula	C20H26O3
Molecular Weight	314.42 g/mol
Synonyms	1H-Dicyclopenta[a,d]cyclononene-1,5,11(4H,9H)-trione, 2,3,3a,10,10a,11a-hexahydro-3,3,6,9,11a-pentamethyl-, (3aR,6Z,9R,10aS,11aS)-; Ambretone; (Z)-Ambrettolide epoxide derivative; A key intermediate for macrocyclic musk synthesis; 3,3,6,9,11a-Pentamethyldicyclopenta[a,d]cyclononenetrione
EINECS	Contact for details

Quality Control

Our (3Ar,6Z,9R,10As,11As)-2,3,3A,10,10A,11A-Hexahydro-3,3,6,9,11A-Pentamethyl-1H-Dicyclopenta[A,D]Cyclononene-1,5,11(4H,9H)-Trione is manufactured under a strict quality management system. Each batch is subjected to comprehensive analytical testing, including HPLC, GC, NMR, and chiral analysis, to ensure identity, purity, and stereochemical integrity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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