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(R)-2-Diphenyphosphino-2'-Ethyl-1,1'-Binaphthyl

    • Product Name (R)-2-Diphenyphosphino-2'-Ethyl-1,1'-Binaphthyl
    • Alias ( R ) - Et-BINAP
    • Einecs 689-848-1
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    191260

    Chemical Name (R)-2-Diphenylphosphino-2'-Ethyl-1,1'-Binaphthyl
    Synonym (R)-Et-BINAP
    Cas Number 163125-36-0
    Molecular Formula C38H30P
    Molecular Weight 520.61
    Appearance White to off-white solid
    Optical Rotation [α]D20 +370° (c=1, CHCl3)
    Melting Point 164-168°C
    Solubility Soluble in common organic solvents (e.g., toluene, THF, dichloromethane)
    Purity Typically ≥98%
    Chirality R enantiomer
    Application Chiral ligand for asymmetric catalysis
    Storage Condition Store under inert atmosphere, at 2-8°C
    Boiling Point Decomposes before boiling
    Smiles CCc1ccc2ccccc2c1C3=CC=CC4=CC=CC=C4P(C5=CC=CC=C5)C3

    As an accredited (R)-2-Diphenyphosphino-2'-Ethyl-1,1'-Binaphthyl factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is supplied in a 1-gram amber glass vial, tightly sealed, with tamper-evident cap, labeled with identification and safety information.
    Shipping **Shipping Description:** (R)-2-Diphenylphosphino-2'-ethyl-1,1'-binaphthyl is shipped in sealed, inert-atmosphere containers to protect from air and moisture. Packaging complies with applicable chemical safety regulations. Shipped only to qualified institutions with appropriate handling protocols. Standard shipping routes are used unless temperature control or hazardous material classification demands specialized transport.
    Storage (R)-2-Diphenylphosphino-2'-Ethyl-1,1'-Binaphthyl should be stored in a tightly sealed container under an inert atmosphere, such as nitrogen or argon, to prevent oxidation. Keep it in a cool, dry place away from moisture, air, and direct sunlight. Store at room temperature or lower, and avoid exposure to strong acids, bases, and oxidizing agents to maintain stability.
    Application of (R)-2-Diphenyphosphino-2'-Ethyl-1,1'-Binaphthyl

    Applications of (R)-2-Diphenyphosphino-2'-Ethyl-1,1'-Binaphthyl in Industrial Manufacturing

    As a specialized manufacturer of (R)-2-Diphenyphosphino-2'-Ethyl-1,1'-Binaphthyl, we directly supply this advanced chiral ligand to select industries where its enantioselective catalytic performance delivers critical value. Our material features high chemical purity and batch consistency, supporting efficient and reliable production for industrial partners in the fine chemicals and pharmaceutical sectors. Below, we detail specific industrial application scenarios with corresponding compliance, formulation, process, and finished product considerations.

    1. Asymmetric Hydrogenation Catalysts in Active Pharmaceutical Ingredient (API) Synthesis

    Pharmaceutical companies utilize this chiral phosphine ligand as a co-catalyst in enantioselective hydrogenation steps during the synthesis of optically pure APIs, especially for therapeutic agents where stereochemistry directly impacts biological activity and regulatory approval. Downstream, process chemists employ this ligand in established transition metal-catalyzed transformations, integrating it into critical reaction steps within validated GMP production lines.

    Industry compliance standards

    • International Council for Harmonisation (ICH) Q7: GMP for APIs
    • 21 CFR Part 211 (US FDA GMP guidelines)
    • European Pharmacopoeia monographs for chiral APIs
    • ICH Q3A/B on impurity profiles in pharmaceuticals

    Typical usage ratio

    • 0.05 to 0.5 mol% relative to the metal center in catalytic systems; manufacturers adjust loading based on substrate complexity, scale, and required enantiomeric excess

    Downstream process integration

    • Ligand is complexed with rhodium, ruthenium, or iridium salts prior to introduction during the hydrogenation stage within reactor vessels; ligand addition is closely monitored by plant QC teams as part of API manufacturing SOPs

    Final product types

    • Optically active pharmaceutical intermediates
    • Regio- and enantioselective APIs for cardiovascular, CNS, and oncology drugs
    • Chiral building blocks for specialty drug substances

    2. Enantioselective Catalysis in Agrochemical Intermediate Production

    Agrochemical producers apply this chiral ligand in catalytic hydrogenation and hydroformylation processes to generate advanced intermediates for crop protection agents, where controlled stereochemistry promotes biological selectivity and reduced environmental impact. Site engineers deploy it in continuous flow or batch reactors according to established synthetic routes for large-scale chiral agrochemical active ingredients.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for chemical process industries
    • REACH Registration (EC 1907/2006) for intermediate chemicals in the EU
    • FAO/WHO Guidelines on pesticide technical material quality
    • JIS K 0131: Testing methods for pesticides (Japan)

    Typical usage ratio

    • 0.03 to 0.3 mol% dependent on reaction type, productivity targets, and required stereoisomer ratio in the downstream product

    Downstream process integration

    • Ligand is introduced during enantioselective catalytic reactions, typically assembled in situ with transition metals and dosed into jacketed reactors equipped for nitrogen blanketing and temperature control to manage exothermicity

    Final product types

    • Single enantiomer agrochemical intermediates
    • Chiral herbicide actives
    • Pesticide precursors for further formulation

    3. Chiral Catalyst Systems for Fine Chemicals and Fragrance Precursors

    Manufacturers of fine chemicals integrate this ligand into asymmetric synthesis pathways to deliver high-purity enantiomers crucial for aroma and flavor applications, where even subtle changes in stereochemistry alter olfactory and gustatory profiles. Batch chemists manage the catalytic cycles in custom reactors, optimizing charges and reaction times to maintain tight control over product chirality and minimize waste generation.

    Industry compliance standards

    • IFRA Code of Practice (International Fragrance Association)
    • ISO 22716: Cosmetics GMP (for ingredients entering personal care chains)
    • FEMA GRAS guidelines (US Flavour and Extract Manufacturers Association)
    • Hazard Analysis and Critical Control Points (HACCP) systems for food additive supply

    Typical usage ratio

    • 0.06 to 0.4 mol% per transition metal center, adjusted by experimental trials for fragrance molecule complexity and targeted optical purity

    Downstream process integration

    • Ligand-metal complexes are prepared in a separate vessel, then introduced into multi-step reaction sequences for asymmetric reduction or addition, often with in-line chiral GC for process control and batch validation

    Final product types

    • High-purity chiral alcohols and esters for aroma formulations
    • Fine chemical intermediates for perfumery
    • Fragrance precursors meeting global safety and purity standards

    4. Research and Commercial Scale Synthesis of Chiral Ligand Libraries

    Specialty and contract manufacturing organizations use (R)-2-Diphenyphosphino-2'-Ethyl-1,1'-Binaphthyl as a core building block for generating new ligand libraries, screening enantioselectivity across diverse catalytic platforms for custom organometallic synthesis. These organizations design, synthesize, and evaluate ligand variants to optimize large-scale homogeneous catalysis for pharmaceutical and performance material customers.

    Industry compliance standards

    • ISO 9001 and ISO 17025: laboratory and quality management for chemical R&D
    • OECD Good Laboratory Practice (GLP) principles for research compounds
    • Safety regulations under local chemical hazards directives (e.g., OSHA 1910 in the US, COSHH in the UK)

    Typical usage ratio

    • 0.04 to 0.2 mol% in small-scale high-throughput runs; ratios are adapted in scale-up experiments based on catalytic turnover and structure-activity findings

    Downstream process integration

    • Ligand is incorporated into automated parallel screening systems, solution-phase combinatorial synthesis, or custom ligand-metal assembly for trial reactions in lab or pilot scale facilities

    Final product types

    • Novel chiral ligand libraries for contract research
    • Process-optimized catalyst packages for client manufacturing
    • Sample kits for pharmaceutical and specialty chemical development groups
    Free Quote

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