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SAMARIUM(II) IODIDE

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CAS:32248-43-4
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CAS:32248-43-4
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Products Intro: Product Name:SAMARIUM(II) IODIDE
CAS:32248-43-4
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SAMARIUM(II) IODIDE manufacturers

  • SAMARIUM(II) IODIDE
  • $1.00 / KG
  • 2019-07-06
  • CAS:32248-43-4
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 20kg
SAMARIUM(II) IODIDE Basic information
Reaction Mechanism of SmI2-mediated Reactions
Product Name:SAMARIUM(II) IODIDE
Synonyms:SaMariuM(II) iodide, 0.1M in THF, SMI2;(ca. 0.1Mol/L in Tetrahydrofuran);SaMariuM(II) Iodide ;SaMariuM(II) iodide anhydrous, powder, >=99.9% trace Metals basis;SaMariuM(II) iodide solution 0.1 M in THF, contains saMariuM chips as stabilizer;Samarium(II) iodide, 0.1M solution in THF, 0.1M solution in THF, Stabilized with samarium powder;SaMariuM Iodide, Anhydrous, -20 Mesh;Samarium(II) iodide solution, 0.07-0.12M in THF, stabilized
CAS:32248-43-4
MF:I2Sm
MW:404.17
EINECS:203-726-8
Product Categories:Other Metal;metal halide;OthersChemical Synthesis;Catalysis and Inorganic Chemistry;Reduction;Salts;Classes of Metal Compounds;Sm (Samarium) Compounds;Transition Metal Compounds;Samarium Salts;SamariumMetal and Ceramic Science;Synthetic Reagents;Crystal Grade Inorganics
Mol File:32248-43-4.mol
SAMARIUM(II) IODIDE Structure
SAMARIUM(II) IODIDE Chemical Properties
Melting point 526 ±3°
Boiling point solid: 1580℃ [CRC10]
density 0.922 g/mL at 25 °C
Fp −2 °F
storage temp. 2-8°C
form powder
color Deep blue-green
Sensitive Air & Moisture Sensitive
Merck 14,8349
InChIKeyUAWABSHMGXMCRK-UHFFFAOYSA-L
CAS DataBase Reference32248-43-4(CAS DataBase Reference)
Safety Information
Hazard Codes F,Xi,Xn
Risk Statements 11-19-36/37-40
Safety Statements 16-29-33-36/37-26
RIDADR UN 2056 3/PG 2
WGK Germany 3
1-10
HazardClass 3
PackingGroup II
HS Code 28276000
MSDS Information
ProviderLanguage
SigmaAldrich English
SAMARIUM(II) IODIDE Usage And Synthesis
ReactionSmI2 has been used extensively in literature due to its large reduction potential. Known as a single-electron transfer reagent.
Mechanism of SmI2-mediated ReactionsRadicals and anions from organohalides

Reduction of halides: iodides > bromides > chloride


reaction carried out at 60 °C
Chemical PropertiesDeep bleu-green solution
UsesIn organic synthesis and electron transfer reactions; in discharge lamps.
Uses
Samarium(II) iodide solution (SmI2) can be used as a reagent in the synthesis of:
  • Benzannulated pyrrolizidines and indolizidines by SmI2-induced cyclizations of indole derivatives.
  • Chiral 4-substituted 2-oxazolidinones and 5,5-disubstituted oxazolidinones through asymmetric Reformatsky type reaction.
  • γ-Aminoalkyl substituted γ-butyrolactones via ketyl-alkene coupling reaction.

It can also be used in:
  • Reduction of conjugated double and triple bonds into alkenes using SmI2/H2O/amine mixtures.
  • Conversion of β-hydroxyketones into 1,3-diols by SmI2/H2O/Et3N.
  • Selective reduction of 6-membered lactones to the corresponding diols/triols using SmI2-H2O reagent system.

SmI2 is an effective single-electron reducing agent for the promotion of ketone-olefin, ketyl aryl cyclizations, and pinacol coupling reactions under mild conditions. Often both intramolecular and intermolecular couplings proceed in a highly stereoselective fashion. It is also used in the synthesis of new heteroleptic samarium aryloxide/cyclopentadienide complexes.
Purification MethodsA possible impurity is SmI3 from which it is made. If present, grind the solid to a powder and heat it in a stream of pure H2. The temperature (~ 500-600o) should be below the m (~ 628o) of SmI3, since the molten compounds react very slowly. [Wetzel in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II pp 1149, 1150 1965.]
SAMARIUM(II) IODIDE Preparation Products And Raw materials
Tag:SAMARIUM(II) IODIDE(32248-43-4) Related Product Information
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