Description

(Ch3)3Cc=Cph2 CAS NO 77376-07-9 is a specialized organometallic or organic intermediate compound featuring a unique structure with tert-butyl and diphenyl-substituted alkene moieties. This compound matters as a versatile building block in advanced organic synthesis, enabling the creation of complex molecular architectures for high-value applications. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for constructing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly in creating sterically hindered frameworks for targeted therapies.
• Agrochemical Synthesis: Serves as a key precursor in the development of new-generation pesticides and herbicides with enhanced stability.
• Ligand Precursor: Acts as a starting material for synthesizing specialized phosphine or N-heterocyclic carbene (NHC) ligands used in catalysis.
• Advanced Material Research: Employed in the development of organic semiconductors, liquid crystals, or metal-organic frameworks (MOFs) due to its rigid, aromatic structure.
• Cross-Coupling Reactions: Functions as a coupling partner in palladium-catalyzed reactions like Suzuki, Heck, or Sonogashira couplings to introduce bulky aromatic groups.
• Polymer Modification: Used to incorporate phenyl and tert-butyl groups into polymer backbones to alter physical properties like glass transition temperature (Tg) and solubility.

Basic Information

Item	Detail
Product Name	(Ch3)3Cc=Cph2
CAS No.	77376-07-9
Molecular Formula	C19H22
Molecular Weight	250.38 g/mol
Synonyms	1,1-Diphenyl-3,3-dimethylbut-1-ene; 3,3-Dimethyl-1,1-diphenyl-1-butene; (3,3-Dimethylbut-1-yn-1-yl)benzene (common misnomer); DPDMB; tert-Butyldiphenylethylene; 77376-07-9
EINECS	Contact for details

Quality Control

Our (Ch3)3Cc=Cph2 is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing specifications such as assay (by GC/HPLC), impurity profile, and physical characteristics. Our quality systems are designed to support cGMP and ISO standards for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. This material is easily oxidized and light-sensitive; therefore, containers must be kept sealed and away from heat and ignition sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC/GC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH Q3C guidelines

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