696188

1,3-Bis(2,4,6-trimethylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene

97%

Manufacturer: Sigma Aldrich

CAS Number: 141556-42-5

Synonym(S): 1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene

Select a Size

Pack Size SKU Availability Price
250 MG 696188-250-MG In Stock ₹ 3,496.48
1 G 696188-1-G In Stock ₹ 13,130.73

696188 - 250 MG

₹ 3,496.48

In Stock

Quantity

1

Base Price: ₹ 3,496.48

GST (18%): ₹ 629.366

Total Price: ₹ 4,125.846

Quality Level

100

Assay

97%

form

powder

reaction suitability

reagent type: catalyst

mp

140 °C

storage temp.

−20°C

SMILES string

Cc1cc(C)c(N2[C]N(C=C2)c3c(C)cc(C)cc3C)c(C)c1

InChI

1S/C21H24N2/c1-14-9-16(3)20(17(4)10-14)22-7-8-23(13-22)21-18(5)11-15(2)12-19(21)6/h7-12H,1-6H3

InChI key

JCYWCSGERIELPG-UHFFFAOYSA-N

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Description

  • Application: 1,3-Bis(2,4,6-trimethylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene (IMes) is a nucleophilic N-heterocyclic carbene (NHC) ligand.It can be used to synthesize: IMes ligated-rhodium complex as a catalyst for the selective hydrogenation of substituted aryl and heteroaryl boronate esters to cis-substituted borylated cycloalkanes.[1]IMes/ruthenium complex (Cp*Ru(IMes)Cl)(Cp* =η5-C5Me3) as a catalyst for olefin ring closing metathesis reaction.[2] IMes is also used as an ancillary ligand in Pd-catalyzed Suzuki-Miyaura cross-coupling reaction between aryl chlorides or aryl triflates and arylboronic acids.[3]

SAFETY INFORMATION

Pictograms

GHS02,GHS07

Signal Word

Warning

Hazard Statements

H228,H315,H319,H335

Precautionary Statements

P210 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Flam. Sol. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves