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685631 Sigma-Aldrich

Diiodo(bis(diphenylphosphino)ethane)cobalt(II)

Synonym: [1,2-Ethanediylbis[diphenylphosphine-Κ, P]]diiodo-cobalt

  • CAS Number 34775-39-8

  • Linear Formula CoI2(P(C6H5)2C2H4P(C6H5)2)

  • Molecular Weight 711.16

  •  MDL number MFCD11045354

  •  PubChem Substance ID 329760987

  •  NACRES NA.22

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Properties

Related Categories Catalysis and Inorganic Chemistry, Chemical Synthesis, Cobalt Catalysts More...
Quality Level   100
mp   >300 °C
reaction suitability   reagent type: catalyst
SMILES string   I[Co]I.C(CP(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4
InChI   1S/C26H24P2.Co.2HI/c1-5-13-23(14-6-1)27(24-15-7-2-8-16-24)21-22-28(25-17-9-3-10-18-25)26-19-11-4-12-20-26;;;/h1-20H,21-22H2;;2*1H/q;+2;;/p-2
InChI key   FLTZQBPRANWICZ-UHFFFAOYSA-L

Description

Application

Catalyst for:
• Reductive coupling reactions
• Cyclization reactions
• Reductive [3 + 2] cycloaddition reactions
• Aryl-sulfur bond formation
• Dimerization reactions

Catalyst for the mild coupling of thiols with aryl and heteroaryl iodides to give sulfides.

Catalyzes the cyclization of 2-iodobenzoates with aldehydes to give phthalides (isobenzofuranones).

Packaging

1 g in glass bottle

250 mg in glass bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Soderquist Borabicyclodecanes

In the past 20 years, the asymmetric allylboration of aldehydes has become an essential reaction for the synthesis of homoallylic or homopropargylic alcohols. Soderquist et al. developed a robust, ve...
William Sommer
Aldrich ChemFiles 2008, 8.6, 8.
Keywords: Alkynylborations, Allylborations, Asymmetric synthesis, Chemfiles, Crotylborations, Grignard Reaction

Peer-Reviewed Papers
15

References

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