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The Science Behind (R)-MOP: A Key Ligand for Enantioselective Transformations

The pursuit of stereochemical control in chemical synthesis is a defining characteristic of modern organic chemistry, particularly within the pharmaceutical and fine chemical industries. Chiral phosphine ligands are fundamental to achieving this control, and (R)-MOP (CAS 145964-33-6) stands out as a prime example of a highly effective ligand. NINGBO INNO PHARMCHEM CO.,LTD., as a dedicated manufacturer and supplier of high-quality chemical intermediates, is pleased to share insights into the science and utility of this important compound.

Understanding (R)-MOP: Structure and Properties

(R)-MOP, formally known as (R)-(+)-2-Diphenylphosphino-2'-methoxy-1,1'-binaphthyl, is a binaphthyl-based phosphine ligand that possesses a specific, well-defined chirality. Its molecular formula is C33H25OP, and it has a molecular weight of 468.52. Typically appearing as a white to beige solid, powder, or crystalline material, (R)-MOP exhibits a melting point in the range of 177-179°C. The ligand is known to be air-sensitive, necessitating appropriate storage conditions, usually under an inert atmosphere (like nitrogen or argon) at refrigeration temperatures (2-8°C) to maintain its integrity and catalytic activity. Its solubility in organic solvents such as toluene further aids its application in various reaction media.

Catalytic Applications Driven by Chirality

The true value of (R)-MOP lies in its ability to confer enantioselectivity onto transition metal-catalyzed reactions. As a ligand for palladium and rhodium complexes, it plays a crucial role in a variety of asymmetric transformations. These include:

  • Enantioselective Hydrosilylation: Catalyzing the addition of silanes to olefins, leading to chiral alcohols.
  • Asymmetric Reduction: Facilitating the reduction of allylic esters to chiral intermediates.
  • Asymmetric Addition Reactions: Promoting the stereoselective addition of nucleophiles to unsaturated substrates, such as the rhodium-catalyzed addition of organoboronates to isatins.
  • Pharmaceutical Synthesis: Serving as a vital catalyst in the synthesis of active pharmaceutical ingredients (APIs), such as Oseltamivir Phosphate.

For R&D scientists and production managers, the ability to buy (R)-MOP from a reliable supplier in China is essential for consistent results in their chiral synthesis endeavors.

Why Choose NINGBO INNO PHARMCHEM?

NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing chemical professionals with materials that meet the highest standards. Our (R)-MOP is manufactured to ensure a minimum purity of 97%, guaranteeing its effectiveness in demanding catalytic applications. By offering competitive (R)-MOP price points and a robust supply chain, we aim to be your preferred partner for specialty chemical intermediates. When you choose to purchase (R)-MOP from us, you are investing in quality, reliability, and the success of your synthetic projects.

Manufacturing Facilities

NINGBO INNO PHARMCHEM CO.,LTD. was established in 2007. It is committed to the R&D, production and sales of raw materials, pharmaceutical intermediates and fine chemicals. We striving to create a high-efficiency and high-quality integrated chemical service platform to better serve domestic and foreign customers.

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WHY CHOSE US?

1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;

2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;

3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).

FAQ

  • A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.

  • A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.

  • A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.

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