674680
[N,N′-Bis(3,5-di-tert-butylsalicylidene)-1,2-phenylenediaminochromium-di-THF]tetracarbonylcobaltate
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About This Item
Empirical Formula (Hill Notation):
C48H62CoCrN2O8
Molecular Weight:
905.94
UNSPSC Code:
12352300
SMILES string
[Co-].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].C1CCOC1.CC(C)(C)c2cc3\C=N\c4ccccc4\N=C\c5cc(cc(c5O[Cr+]Oc3c(c2)C(C)(C)C)C(C)(C)C)C(C)(C)C
mp
>300 °C
Application
Catalyst employed in the ring-expansive carbonylation of epoxides to β-lactones at atmospheric CO pressure.
Legal Information
US Patent No. 6,852,865
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John W Kramer et al.
Organic letters, 8(17), 3709-3712 (2006-08-11)
[reaction: see text] A readily prepared bimetallic catalyst is capable of effecting epoxide carbonylation to produce beta-lactones at substantially lower CO pressures than previously reported catalyst systems. A functionally diverse array of beta-lactones is produced in excellent yields at CO
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