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718114

Sigma-Aldrich

Manganese(II) chloride bis(lithium chloride) complex solution

0.5 M in THF, density: 0.956 g/mL at 25 °C

Synonym(s):

Lithium tetrachloromanganate(II) solution, Lithium chloromanganate(II), Lithium manganese chloride, Manganese(II) chloride bis(lithium chloride) complex solution

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About This Item

Linear Formula:
Li2MnCl4
CAS Number:
57384-24-4
Molecular Weight:
210.63
MDL number:
MFCD00192059
UNSPSC Code:
12161600
PubChem Substance ID:
329763551
NACRES:
NA.22

form

liquid

reaction suitability

core: manganese
reagent type: catalyst

concentration

0.5 M in THF

density

0.956 g/mL at 25 °C

SMILES string

[Li+].[Li+].Cl[Mn--](Cl)(Cl)Cl

InChI

1S/4ClH.2Li.Mn/h4*1H;;;/q;;;;2*+1;+2/p-4

InChI key

VJOUQNFWQPCDPE-UHFFFAOYSA-J

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Application

Catalyst for homocoupling of Grignard reagents using atmospheric oxygen as an oxidant

Reactant for:
  • Transmetalation reactions
  • Nickel-imidazolium carbene-catalyzed coupling reactions

Reagent for the preparation of Rieke manganese

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

EUH019

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

1.4 °F - closed cup

Flash Point(C)

-17.0 °C - closed cup

Certificates of Analysis (COA)

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A. Leleu, et al.,
Advanced Synthesis & Catalysis, 348, 1086-1092 (2006)
A. Eloi, et al.,
Organometallics, 28, 925-928 (2009)
Manganese- or iron-catalyzed homocoupling of grignard reagents using atmospheric oxygen as an oxidant.
Gérard Cahiez et al.
Journal of the American Chemical Society, 129(45), 13788-13789 (2007-10-20)
José M Concellón et al.
The Journal of organic chemistry, 72(21), 7974-7979 (2007-09-25)
A complete E-selective synthesis of alpha,beta-unsaturated amides through a sequential reaction of a range of dichloroamides with a variety of aldehydes promoted by Rieke manganese (Mn*) is reported. A mechanism based on a sequential aldol-type reaction and a completely stereoselective

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