Description

Ammonium, 2-(Dimethylamino)-2-Biphenylyltrimethyl-, (+)- is a chiral quaternary ammonium salt of significant interest in advanced organic synthesis and catalysis. This compound matters as a high-value specialty chemical, prized for its role as a phase-transfer catalyst (PTC) and its utility in facilitating stereoselective reactions. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors, where precise chiral control is paramount for developing active ingredients and novel materials.

Application

• Asymmetric Synthesis: Employed as a chiral phase-transfer catalyst for enantioselective alkylation, epoxidation, and Michael addition reactions.
• Pharmaceutical Intermediates: Key reagent in the synthesis of optically pure active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Development: Used in the research and production of chiral pesticides and herbicides to enhance efficacy and reduce environmental impact.
• Fine Chemical Manufacturing: Facilitates the production of specialty chemicals, flavors, and fragrances requiring high enantiomeric purity.
• Academic & Industrial Research: A valuable tool for methodological development in organic chemistry and catalysis studies.
• Polymer Science: Potential application in the synthesis of chiral polymers and materials with specific optical properties.

Basic Information

Product Name	Ammonium, 2-(Dimethylamino)-2-Biphenylyltrimethyl-, (+)-
CAS No.	28808-51-7
Molecular Formula	C23H28N2+ (commonly associated with a counterion like iodide or chloride)
Molecular Weight	332.48 g/mol (for the cation)
Synonyms	(+)-N,N-Dimethyl-1-[1',2-bis(dimethylamino)-1,1'-biphenyl-2-yl]ethanaminium; (S)-2'-(Dimethylamino)-2-(N,N,N-trimethylammoniummethyl)-1,1'-biphenyl; Chiral Biphenyldimethylammonium Salt; (S)-2-(Dimethylamino)-2'-(trimethylammoniomethyl)biphenyl; PTC Catalyst; Maruoka Catalyst analogue; Chiral Quaternary Ammonium Salt; (+)-BTM
EINECS	Contact for details

Quality Control

Our Ammonium, 2-(Dimethylamino)-2-Biphenylyltrimethyl-, (+)- is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and chiral assay, NMR for structural confirmation, and Karl Fischer titration for moisture content, to ensure it meets the exacting standards required for synthetic and catalytic applications. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (ee)	≥ 99.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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