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Turning on ROP activity in a bimetallic Co/Zn complex supported by a [2+2] Schiff-base macrocycle.
- Source :
-
Chemical communications (Cambridge, England) [Chem Commun (Camb)] 2019 Sep 17; Vol. 55 (75), pp. 11279-11282. - Publication Year :
- 2019
-
Abstract
- Homo-dinuclear Co and Zn complexes derived from the macrocycle LH2, {[2-(OH)-5-(R)-C6H2-1,3-(CH)2][CH2CH2(2-C6H4N)2]}2 (R = Me, tBu), revealed near inactivity for the ring opening polymerization (ROP) of the cyclic esters δ-valerolactone (δ-VL) and ε-caprolactone (ε-CL). By contrast, the hetero-bimetallic complexes [LCo(NCMe)(μ-Br)ZnBr]·nMeCN (n = 3 or 3.25) were found to be efficient catalysts for the ROP of ε-CL and δ-VL.
Details
- Language :
- English
- ISSN :
- 1364-548X
- Volume :
- 55
- Issue :
- 75
- Database :
- MEDLINE
- Journal :
- Chemical communications (Cambridge, England)
- Publication Type :
- Academic Journal
- Accession number :
- 31475709
- Full Text :
- https://doi.org/10.1039/c9cc04494a