In an article, published in an article, once mentioned the application of 250285-32-6, Name is 1,3-Bis(2,6-diisopropylphenyl)imidazolium chloride,molecular formula is C27H37ClN2, is a conventional compound. this article was the specific content is as follows.name: 1,3-Bis(2,6-diisopropylphenyl)imidazolium chloride
This invention provides a process for conducting Kumada coupling reactions. The processes of the present invention make use of N-heterocyclic carbenes as ancillary ligands in Kumada couplings of aryl halides. A Kumada coupling can be carried out by mixing, in a liquid medium, at least one aryl halide, wherein the aryl halide has, directly bonded to the aromatic ring(s), at least one halogen atom selected from the group consisting of a chlorine atom, a bromine atom, and an iodine atom; at least one Grignard reagent; at least one metal compound comprising at least one metal atom selected from nickel, palladium, and platinum, wherein the formal oxidation state of the metal is zero or two; and at least one N-heterocyclic carbene. One preferred type of N-heterocyclic carbene is an imidazoline-2-ylidene of the formula wherein R1 and R2 are each, independently, alkyl or aryl groups having at least 3 carbon atoms, R3 and R4 are each, independently, a hydrogen atom, a halogen atom, or a hydrocarbyl group. Homocoupling of aryl pseudohalides is also feasible using the processes of this invention.
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