Description

1,3-Bis(2,4,6-triMethylphenyl)-2-iMidazolidinylidene)(3-phenyl-1H-inden-1-ylidene)(4,5-dichloro-1,3-diethyl-1,3-dihydro-2H-iMidazol-2-ylidene)rutheniuM(II) chloride is a highly specialized, third-generation Grubbs-Hoveyda type olefin metathesis catalyst, distinguished by its enhanced thermal stability and activity. This compound is critical for enabling complex carbon-carbon bond formations in demanding synthetic applications, offering researchers and industrial chemists a powerful tool for constructing advanced molecular architectures. It is essential for R&D and production in pharmaceuticals, agrochemicals, and advanced materials, where precision and reliability in catalysis are paramount.

Application

• Pharmaceutical Intermediate Synthesis: Key for constructing complex, bioactive molecules via ring-closing metathesis (RCM), cross metathesis (CM), and ring-opening metathesis polymerization (ROMP).
• Agrochemical Production: Used in the synthesis of novel active ingredients and complex intermediates requiring selective olefin transformations.
• Advanced Material Development: Enables the polymerization and functionalization of monomers for specialty polymers, self-healing materials, and functional coatings.
• Fine Chemical and Specialty Chemical Manufacturing: Facilitates efficient, scalable routes to high-value fragrance, flavor, and performance chemical intermediates.
• Academic and Industrial R&D: A catalyst of choice for methodological development and the synthesis of novel, structurally complex compounds in laboratory settings.
• Polymer Chemistry: Employed in the precise synthesis of block copolymers, dendrimers, and polymers with tailored properties via controlled ROMP.

Basic Information

Product Name	1,3-Bis(2,4,6-triMethylphenyl)-2-iMidazolidinylidene)(3-phenyl-1H-inden-1-ylidene)(4,5-dichloro-1,3-diethyl-1,3-dihydro-2H-iMidazol-2-ylidene)rutheniuM(II) chloride
CAS No.	1228169-92-3
Molecular Formula	C48H52Cl3N4Ru
Molecular Weight	902.37 g/mol
Synonyms	Grubbs-Hoveyda Catalyst 3rd Generation; Dichloro[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene](3-phenyl-1H-inden-1-ylidene)(4,5-dichloro-1,3-diethyl-4,5-dihydro-1H-imidazol-2-ylidene)ruthenium(II); Hoveyda-Grubbs Catalyst 3rd Gen; HG III Catalyst; (H2IMes)(3-phenylindenylidene)RuCl2(SIMes) (common shorthand); Zhan Catalyst 1B; [1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro(3-phenyl-1H-inden-1-ylidene)(4,5-dichloro-1,3-diethyl-4,5-dihydro-1H-imidazol-2-ylidene)ruthenium
EINECS	Contact for details

Quality Control

Our 1,3-Bis(2,4,6-triMethylphenyl)-2-iMidazolidinylidene)(3-phenyl-1H-inden-1-ylidene)(4,5-dichloro-1,3-diethyl-1,3-dihydro-2H-iMidazol-2-ylidene)rutheniuM(II) chloride is manufactured under strict quality protocols to ensure batch-to-batch consistency and high catalytic performance. Each lot undergoes comprehensive analytical testing, including NMR, HPLC, and elemental analysis, to verify identity, purity, and the absence of detrimental impurities. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C to maintain stability and prevent decomposition. This material is hygroscopic (moisture-sensitive) and easily oxidized; ensure containers are sealed immediately after use.

Specification

Item	Specification
Appearance	Dark green to brown crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Solubility	Soluble in dichloromethane, toluene, THF

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