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459674

Sigma-Aldrich

Nickel(II) bromide 2-methoxyethyl ether complex

Synonym(s):

Diglyme nickel dibromide

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About This Item

Linear Formula:
NiBr2 · O(CH2CH2OCH3)2
CAS Number:
312696-09-6
Molecular Weight:
352.67
MDL number:
MFCD00274339
UNSPSC Code:
12352302
PubChem Substance ID:
24869583
NACRES:
NA.23

form

powder

reaction suitability

reagent type: catalyst
core: nickel

SMILES string

Br[Ni]Br.COCCOCCOC

InChI

1S/C6H14O3.2BrH.Ni/c1-7-3-5-9-6-4-8-2;;;/h3-6H2,1-2H3;2*1H;/q;;;+2/p-2

InChI key

RRSIMIHTHWYRRA-UHFFFAOYSA-L

Application

Nickel(II) bromide 2-methoxyethyl ether complex can be used as a catalyst to prepare:
  • Hindered diarylmethanols and benzylic alcohols by the addition of aryl halides to various aldehydes in the presence of Zn as a reducing agent.
  • Benzene-fused cyclic compounds via reductive dicarbofunctionalization of unactivated alkenes using less reactive benzyl chlorides.
  • Benzylboron derivatives via C-C cross-coupling reaction between substituted 5-bromo-3-methoxy-2-(trimethylsilyl)phenyl triflate and bromomethylboronic acid pinacol ester.
  • N-(Hetero)aryl sulfamides by N-arylation of sulfamides with aryl bromides in the presence of a photosensitizer.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Photochemically Mediated Nickel-Catalyzed Synthesis of N-(Hetero) aryl Sulfamides
Simons RT, et al.
The Journal of Organic Chemistry, 85(10), 6380-6391 (2020)
Aryne Reaction and Cross-coupling Approach for the Synthesis of Diverse N-Arylphenylalanine Derivatives
Kobayashi T, et al.
Chemistry Letters (Jpn), 49(7), 809-812 (2020)
Nickel-catalyzed asymmetric reductive arylalkylation of unactivated alkenes
Jin Youxiang and Wang Chuan
Angewandte Chemie (International Edition in English), 58(20), 6722-6726 (2019)
Nickel-Catalyzed Addition of Aryl Bromides to Aldehydes To Form Hindered Secondary Alcohols
Garcia KJ, et al.
Journal of the American Chemical Society, 141(5), 1823-1827 (2019)

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