Cross coupling

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An increased interest in aminophosphine type ligands used for asymmetric synthesis has been witnessed. This growth in popularity of aminophosphine ligands in asymmetric synthesis is in part due to the growing number of convenient synthetic pathways leading to useful ligand

MeOBIPHEP

Solvias MeOBIPHEP Ligands: State-of-the-art atropisomeric MeOBIPHEP ligands, also referred to as MeO-BIPHEP, originally developed by Roche, have an extraordinarily broad performance profile for many synthetic applications due to their modular ligand design.

MRT - Mono-Boc-Protection of Diamines

Mono-Boc-protected diamines are versatile building blocks for chemical synthesis. Their production is a lot more challenging than the simple reaction scheme might imply, because the Boc-anhydride reagent cannot differentiate between the two identical amino moieties in the substrate.

Rovis Triazolium Catalyst

Rovis has demonstrated that triazolium salt in the presence of a base can act as an N-heterocyclic carbene organocatalyst in highly enantioselective intramolecular Stetter reactions.

An Introduction to A-Phos, its Applications and Advantages

Ligand used to prepare a palladium dichloride catalyst on treatment with PdCl2(COD). The catalyst effectively cross-couples aryl boronic acids with heteroaryl chlorides.

Palladium-catalyzed Cross-coupling Reactions

A variety of palladium-catalyzed cross-coupling reactions can be run under mild room temperature conditions in water with TPGS- 750-M, using a variety of commercially available palladium complexes and ligands.

N-Heterocyclic Carbene (NHC) Ligands

Emerging class of privileged ligands

Kwon Phosphines: P-Chiral Monodentate Phosphines from Hydroxyproline

Chiral phosphines have been the staple ligands for asymmetric transition metal catalysis and more recently operate as catalysts in organic phosphinocatalysis.

Catalysts for Carbonylation

Professor Geoffrey Coates and co-workers at Cornell University have reported the preparation and use of catalysts composed of an oxophilic Lewis acid and a cobalt tetracarbonyl anion for the ring expansive carbonylation of epoxides to b-lactones and b-lactones to succinic

Chiral Quest Phosphine Ligands

Sigma-Aldrich has research quantities of a series of Zhang’s chiral phosphines for catalytic asymmetric hydrogenations.

Cationic Gold(I) Complexes Based on Bulky Phosphine Ligands: New Opportunity for Efficient Gold Catalysis

KitAlysis™ High-Throughput Screening Platform

KitAlysis High-Throughput Screening Kits provide solution to efficiently identify or optimize suitable catalytic reaction conditions. Chemist can rapidly run 24 unique micro scale reactions in parallel with tailored conditions.

MCAT- 53™ Catalyst for Ruthenium Formation

A recyclable, ligand-free ruthenium catalyst for C–H activation reactions and concomitant C–C bond formation in the presence of water.

Jørgensen’s Organocatalysts

Professor Karl Anker Jørgensen and his group have developed ethers which serve as excellent chiral organocatalysts in the direct asymmetric α-functionalization of aldehydes.

DIOP for Asymmetric Hydrogenation Catalysis

DIOP

Hayashi Catalysts

We pleased to offer the latest technology from Hayashi, including both the pre-catalysts.

Reductive amination with 2-picoline-borane complex

2-picoline-borane (pic-BH3) is an excellent alternative reagent for reductive aminations.

Cinchona Alkaloids

Asymmetric phase-transfer catalysis (PTC) has been recognized as a “green” alternative to many homogeneous synthetic organic transformations, and has found widespread application. Synthetically modified cinchona alkaloids are typical chiral organocatalysts used in asymmetric PTC.

N-Heterocyclic Carbenes

NHC (N-heterocyclic carbenes) are ligands for rapid synthesis of novel organometallic complexes. NHC ligands have practical use when bound to metals.

Ylide Substituted Phosphines in Palladium Catalyzed Coupling

Explore innovative palladium-catalyzed coupling reactions with ylide-substituted phosphines. Learn about their impressive capabilities, enabling milder conditions and access to aryl chlorides.

KitAlysis™ Suzuki-Miyaura Cross-Coupling Kit

Tools aid in kit setup for organic chemistry techniques, ensuring ease and success.

Hydrosilylation Catalyst

Trost group's protocol yields α-vinylsilanes from terminal acetylenes using [Cp*Ru(MeCN)3]PF6 catalyst and others for hydrosilylation.

Trialkylphosphine for MBH Reactions

Amines and phosphines in nucleophilic catalysis are discussed, addressing the air sensitivity of phosphines.

C2-symmetric chiral bisoxazolines (BOX) ligands

BOX ligand complex enhances catalytic enantioselective aziridination of styrene, with phenyl substituents proving superior over t-Bu groups.

cataCXium® Catalysts

cataCXium® ligands facilitate cross-coupling reactions, essential in polymer science, fine chemicals, and pharmaceutical industries.

ChemBeads: Solid Catalyst Coating on Glass Beads

ChemBeads, catalyst-coated glass beads, dispense solid chemical reagents for nanomole-scale high-throughput reaction screening.

DalPhos Ligands

DalPhos ligands enable Pd-catalyzed C-N and C-C bond formation with good functional group tolerance.

Doyle Nickel Precatalyst Applications

Palladium catalysts in transition metal-catalyzed coupling reactions offer diversity, accessibility, and robustness over nickel catalysts.

Nickel-based Catalysts

Nickel complexes catalyze various synthetic reactions like oxidative addition, C-H activation, and cross-coupling.

PEPPSI™ Catalysts Overview

PEPPSI™ palladium N-heterocyclic-carbene catalyst system enhances efficiency and functional group tolerance in catalysis.

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