Description

(4R)-7α-Ethenyl-1,2,3,4,4A,4Bα,5,6,7,9,10,10Aα-Dodecahydro-1,1,4Aβ,7-Tetramethyl-4β,9α-Phenanthrenediol 9-Acetate is a high-purity, semi-synthetic diterpenoid derivative with a complex, functionalized phenanthrene core structure. This compound serves as a critical advanced intermediate for the synthesis of novel bioactive molecules, particularly in pharmaceutical research and development. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for creating new chemical entities with potential therapeutic or biological activity.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel diterpenoid-based drug candidates, including potential anti-inflammatory, antiviral, or anticancer agents.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies to explore and optimize the biological activity of complex natural product analogs.
• Process Chemistry Development: Serves as a standard or starting material for developing and scaling up efficient synthetic routes to complex target molecules.
• Reference Standard: Employed as an analytical standard in HPLC, LC-MS, or NMR for quality control and method development in research and production settings.
• Fine Chemical Synthesis: Intermediate for creating specialized flavors, fragrances, or other high-value fine chemicals with unique structural motifs.
• Academic Research: Used in university and institutional labs for studies in organic synthesis, natural product chemistry, and chemical biology.

Basic Information

Item	Details
Product Name	(4R)-7α-Ethenyl-1,2,3,4,4A,4Bα,5,6,7,9,10,10Aα-Dodecahydro-1,1,4Aβ,7-Tetramethyl-4β,9α-Phenanthrenediol 9-Acetate
CAS No.	66656-07-3
Molecular Formula	C22H34O3
Molecular Weight	346.51 g/mol
Synonyms	9-Acetoxy-4-ethenyl-4,4a,4b,5,6,7,8,10,10a-octahydro-1,1,4a,7-tetramethyl-2H-phenanthrene-2,9-diol; 7α-Ethenyl-1,2,3,4,4a,4bα,5,6,7,9,10,10aα-dodecahydro-1,1,4aβ,7-tetramethyl-4β,9α-phenanthrenediol 9-acetate; (4R)-7α-Ethenyldodecahydrophenanthrenediol acetate; Diterpenoid acetate intermediate; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of (4R)-7α-Ethenyl-1,2,3,4,4A,4Bα,5,6,7,9,10,10Aα-Dodecahydro-1,1,4Aβ,7-Tetramethyl-4β,9α-Phenanthrenediol 9-Acetate adheres to stringent internal quality standards to ensure batch-to-batch consistency and high chemical purity. Certificates of Analysis (COA) are provided with each shipment, detailing key parameters such as assay purity, identity confirmation, and impurity profiles. We support custom synthesis and purity grade specifications to meet specific research or development project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). For long-term storage, consider inert atmosphere conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Solvent Residues (GC)	Complies with ICH guidelines
Water Content (KF)	≤ 0.5%

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