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685631

Sigma-Aldrich

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

Synonym(s):

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

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About This Item

Linear Formula:
CoI2(P(C6H5)2C2H4P(C6H5)2)
CAS Number:
34775-39-8
Molecular Weight:
711.16
MDL number:
MFCD11045354
UNSPSC Code:
12352300
PubChem Substance ID:
329760987
NACRES:
NA.22

form

powder

reaction suitability

core: cobalt
reagent type: catalyst

mp

>300 °C

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

Application

Catalyst for the mild coupling of thiols with aryl and heteroaryl iodides to give sulfides.
Catalyst for:
  • Reductive coupling reactions
  • Cyclization reactions
  • Reductive [3 + 2] cycloaddition reactions
  • Aryl-sulfur bond formation
  • Dimerization reactions
Catalyzes the cyclization of 2-iodobenzoates with aldehydes to give phthalides (isobenzofuranones).

related product

Product No.
Description
Pricing

904104

CoCl2(PCy3)2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

685631-BULK:
685631-250MG:4548173923529
685631-VAR:
685631-1G:4548173923512

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Certificates of Analysis (COA)

Lot/Batch Number
12811BJ

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Hong-Tai Chang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 13(15), 4356-4363 (2007-02-27)
Methyl 2-iodobenzoates 1 a-c undergo cyclization reactions with various aromatic aldehydes 2 a-m (RC6H4CHO: R=H 2 a, 4-CH3 2 b, 4-tBu 2 c, 4-OMe 2 d, 3-OMe 2 e, 4-Cl 2 f, 4-CF3 2 g, 4-CN 2 h, 4-Ph 2
Ying-Chieh Wong et al.
Organic letters, 8(24), 5613-5616 (2006-11-17)
A new cobalt-catalyzed coupling of aryl halides with thiophenols and alkanethiols is reported. A variety of aryl sulfides can be prepared in excellent yields under mild reaction conditions using 1-2 mol % of CoI2(dppe) and Zn. This new cobalt-catalyzed coupling

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