Description

-1-(2,6,6-Trimethyl-1-Cyclohexenyl)-3-Methyl-5-(Triphenylphosphonio)-1,3-Pentadiene is a specialized organophosphorus compound featuring a unique cationic phosphonium center conjugated with a terpenoid-derived diene system. This molecular architecture makes it a valuable intermediate in advanced organic synthesis, particularly for constructing complex molecules via Wittig-type olefination reactions. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for the synthesis of novel carotenoid analogs, vitamin derivatives, and other fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel retinoids, carotenoids, and other bioactive molecules with potential therapeutic applications.
• Agrochemical Synthesis: Used in the research and development of new plant growth regulators and pesticides with unique structural motifs.
• Advanced Materials Research: Serves as a precursor for creating functional organic materials, such as dyes, pigments, and liquid crystals, leveraging its extended conjugated system.
• Academic & Industrial R&D: An essential reagent in methodology development for olefination chemistry and the construction of complex polyene chains.
• Fine Chemical Production: Employed in the custom synthesis of high-value, low-volume specialty chemicals for various industrial applications.
• Catalyst Ligand Precursor: The phosphonium moiety can be modified to generate novel phosphine ligands for transition metal catalysis.

Basic Information

Product Name	-1-(2,6,6-Trimethyl-1-Cyclohexenyl)-3-Methyl-5-(Triphenylphosphonio)-1,3-Pentadiene
CAS No.	47739-07-1
Molecular Formula	C₃₃H₄₁P⁺ (commonly written as C33H41P)
Molecular Weight	468.66 g/mol
Synonyms	(2E,4E)-5-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-3-methyl-2,4-pentadien-1-yl triphenylphosphonium; 3-Methyl-5-(triphenylphosphonio)-1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-pentadiene; C15-Phosphonium Salt (β-apo-8'-carotenal derivative); Wittig Salt from β-Apo-8'-carotenal; 8'-Apo-β-caroten-8'-al derived phosphonium salt; Phosphonium salt of C15 aldehyde; Retinoid synthesis intermediate.
EINECS	Contact for details

Quality Control

Every batch of -1-(2,6,6-Trimethyl-1-Cyclohexenyl)-3-Methyl-5-(Triphenylphosphonio)-1,3-Pentadiene is produced and controlled under a strict quality management system. Our products undergo rigorous quality testing, including NMR (¹H, ¹³C, ³¹P) and HPLC analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are available upon request. We adhere to cGMP guidelines for the production of materials intended for research and development use in regulated industries.

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 is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when opening the container for use to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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