685631
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:
Molecular Weight:
711.16
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352300
MDL number:
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
SMILES string
I[Co]I.C(CP(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4
InChI key
FLTZQBPRANWICZ-UHFFFAOYSA-L
form
powder
reaction suitability
core: cobalt, reagent type: catalyst
mp
>300 °C
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).
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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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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