Description

(R)-(+)-[o-Methyl (o-Anisyl)Phenylphosphinite]Borane CAS NO 131740-16-4 is a high-purity, chiral organophosphorus-borane complex used as a versatile reagent and ligand precursor in asymmetric synthesis. This compound is valued for its role in facilitating stereoselective transformations, particularly in the construction of complex chiral molecules where precise control over stereochemistry is paramount. It is an essential tool for research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors.

Application

• As a chiral ligand precursor for transition metal catalysts in asymmetric hydrogenation and cross-coupling reactions.
• As a key reagent in the stereoselective synthesis of active pharmaceutical ingredients (APIs) and drug intermediates.
• For the preparation of novel organophosphorus compounds with potential biological activity in agrochemical research.
• In academic and industrial R&D for exploring new methodologies in asymmetric organocatalysis and metal catalysis.
• As a building block for chiral phosphine ligands used in fine chemical and specialty chemical manufacturing.

Basic Information

Product Name	(R)-(+)-[o-Methyl (o-Anisyl)Phenylphosphinite]Borane
CAS No.	131740-16-4
Molecular Formula	C21H24BO2P
Molecular Weight	350.20 g/mol
Synonyms	(R)-(+)-o-Methyl o-anisylphenylphosphinite-borane complex; (R)-(+)-Methyl (2-methoxyphenyl)phenylphosphinite-borane; (R)-(+)-[Methyl(2-methoxyphenyl)phenylphosphinite]borane; (R)-(+)-MAP-Borane; (R)-MAPP-BH3; (R)-(+)-Phosphinite-borane complex; Borane-(R)-(+)-methyl (2-methoxyphenyl)phenylphosphinite; (R)-o-Anisylphenylmethylphosphinite borane
EINECS	Contact for details

Quality Control

Our (R)-(+)-[o-Methyl (o-Anisyl)Phenylphosphinite]Borane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized by advanced analytical techniques, including NMR and chiral HPLC, to confirm identity, enantiomeric excess, and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). The product is light-sensitive (store away from light). Keep the container tightly sealed under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Melting Point	Contact for details

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