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94202-32-1

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94202-32-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94202-32-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,0 and 2 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94202-32:
(7*9)+(6*4)+(5*2)+(4*0)+(3*2)+(2*3)+(1*2)=111
111 % 10 = 1
So 94202-32-1 is a valid CAS Registry Number.

94202-32-1Downstream Products

94202-32-1Relevant articles and documents

Nickel(I) Aryl Species: Synthesis, Properties, and Catalytic Activity

Mohadjer Beromi, Megan,Banerjee, Gourab,Brudvig, Gary W.,Hazari, Nilay,Mercado, Brandon Q.

, p. 2526 - 2533 (2018)

In this work, Ni(I) aryl species that are directly relevant to cross-coupling have been synthesized. Transmetalation of (dppf)NiIX (dppf = 1,1′-bis(diphenylphosphino)-ferrocene, X = Cl, Br) with aryl Grignard reagents or aryl boronic acids in t

Comparison of dppf-Supported Nickel Precatalysts for the Suzuki-Miyaura Reaction: The Observation and Activity of Nickel(I)

Guard, Louise M.,Mohadjer Beromi, Megan,Brudvig, Gary W.,Hazari, Nilay,Vinyard, David J.

supporting information, p. 13352 - 13356 (2015/11/09)

Ni-based precatalysts for the Suzuki-Miyaura reaction have potential chemical and economic advantages compared to commonly used Pd systems. Here, we compare Ni precatalysts for the Suzuki-Miyaura reaction supported by the dppf ligand in 3 oxidation states, 0, I and II. Surprisingly, at 80 °C they give similar catalytic activity, with all systems generating significant amounts of NiI during the reaction. At room temperature a readily accessible bench-stable NiII precatalyst is highly active and can couple synthetically important heterocyclic substrates. Our work conclusively establishes that NiI species are relevant in reactions typically proposed to involve exclusively Ni0 and NiII complexes.

Lewis acid induced β-elimination from a nickelalactone: Efforts toward acrylate production from CO2 and ethylene

Jin, Dong,Schmeier, Timothy J.,Williard, Paul G.,Hazari, Nilay,Bernskoetter, Wesley H.

, p. 2152 - 2159 (2013/05/22)

The Lewis acid tris(pentafluorophenyl)borane was found to rapidly promote ring-opening β-hydride elimination in a 1,1′-bis(diphenylphosphino) ferrocene (dppf) nickelalactone complex under ambient conditions. The thermodynamic product of nickelalactone ring-opening was characterized as (dppf)Ni(CH(CH3)CO2BArf3), the result of β-hydride elimination and subsequent 2,1-insertion from a transient nickel(II) acrylate hydride intermediate. Treatment of (dppf)Ni(CH(CH3)CO2BArf3) with a nitrogen-containing base afforded a diphosphine nickel(0) η2- acryl borate adduct. Formation of the diphosphine nickel(0) η2- acryl borate adduct completes a net conversion of nickelalactone to acrylate species, a significant obstacle to catalytic acrylate production from CO 2 and ethylene. Displacement of the η2-acrylate fragment from the nickel center was accomplished by addition of ethylene to yield a free acrylate salt and (dppf)Ni(CH2CH2).

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