Guanidine Carboxy Zinc Complexes for the Chemical Recycling of Renewable Polyesters.
Sign Up to like & getrecommendations! Published in 2022 at "ChemPlusChem"
DOI: 10.1002/cplu.202200029
Abstract: Our previously published non-toxic guanidine carboxy Zn catalysts, suitable for lactide ring opening polymerisation (ROP) under industrially preferred melt conditions, have been tested towards the alcoholysis of renewable polyesters. A structure-reactivity relationship has been found… read more here.
Keywords: renewable polyesters; complexes chemical; zinc complexes; carboxy zinc ... See more keywords
Effective Ligand Design: Zinc Complexes with Guanidine Hydroquinoline Ligands for Fast Lactide Polymerization and Chemical Recycling.
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DOI: 10.1002/cssc.202201603
Abstract: Invited for this month's cover is the group of Sonja Herres-Pawlis at RWTH Aachen University. The image shows how the zinc guanidine complexes help a circular economy of bioplastics by mediating the ring-opening polymerization of… read more here.
Keywords: design zinc; zinc complexes; complexes guanidine; effective ligand ... See more keywords
Synthesis and Structural Characterization of β-Enaminoamide Zinc Complexes
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Chemical Crystallography"
DOI: 10.1007/s10870-020-00850-5
Abstract: Abstract Novel β-enaminoamide zinc complexes were synthesized by reacting N,N-diethy-3-(isobutylamino)-2-butenamide ( 1 ) and N,N-dimethy-3-(isobutylamino)-2-butenamide ( 2 ), with diethylzinc to afford the desired zinc bis (β-enaminoamidate) complexes 3 and 4 . Compounds 3 and… read more here.
Keywords: zinc; synthesis structural; zinc complexes; characterization enaminoamide ... See more keywords
Zinc complexes with 1-(1H-benzimidazol-1-ylmethyl)-1H-benzotriazole: the structure, quantum chemical calculations, and luminescence properties
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DOI: 10.1007/s11172-020-2973-6
Abstract: An organic ligand 1-(1H-benzimidazol-1-ylmethyl)-1H-benzotriazole (bta) and two zinc complexes of the composition [Zn(bta)2Hal2] (Hal = Cl, Br) were synthesized. The crystal structure of the complex [Zn(bta)2Cl2] was determined and its features were discussed. According to… read more here.
Keywords: ylmethyl benzotriazole; luminescence properties; zinc complexes; benzimidazol ylmethyl ... See more keywords
Exploration of Zinc(II) Complexes as Potent Inhibitors Against Protein Tyrosine Phosphatase 1B
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Research in Chinese Universities"
DOI: 10.1007/s40242-019-8265-8
Abstract: Although protein tyrosine phosphatases(PTPs) do not contain any metals, their activities can be inhibited by some metal complexes. Here we investigated the inhibition of two zinc complexes with Schiff base ligands against PTPs activity to… read more here.
Keywords: phosphatase; tyrosine phosphatase; zinc complexes; protein tyrosine ... See more keywords
Zinc complexes of 3-(ethylthio)phenyl-substituted phthalocyanines and naphthalocyanine: Synthesis and investigation of physicochemical properties
Sign Up to like & getrecommendations! Published in 2017 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2017.05.015
Abstract: Abstract Novel 3-(ethylthio)phenyl-substituted phthalocyanine and naphthalocyanine zinc complexes were synthesised with high yields. The Suzuki cross-coupling reaction provides selective approaches to the initial mono- or di- 3-(ethylthio)phenyl-substituted phthalonitriles. The complexes obtained were characterised by 1H… read more here.
Keywords: phthalocyanines naphthalocyanine; ethylthio phenyl; complexes ethylthio; zinc complexes ... See more keywords
Synthesis, structural characterization and MMA polymerization studies of dimeric 5-coordinate copper(II), cadmium(II), and monomeric 4-coordinate zinc(II) complexes supported by N-methyl-N-((pyridine-2-yl)methyl)benzeneamine
Sign Up to like & getrecommendations! Published in 2019 at "Inorganica Chimica Acta"
DOI: 10.1016/j.ica.2018.12.020
Abstract: Abstract Copper(II), cadmium(II) and zinc(II) complexes containing N-methyl-N-((pyridine-2-yl)methyl)benzeneamine (npmb) ligand have been synthesized and characterized by X-ray crystallography. Molecular structures of Cu(II) and Cd(II) complexes revealed dimeric structures with square pyramidal and distorted trigonal bipyramidal… read more here.
Keywords: pyridine methyl; methyl; copper cadmium; methyl pyridine ... See more keywords
Highly active tridentate amino-phenol zinc complexes for the catalytic ring-opening polymerization of ε-caprolactone
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2018.12.013
Abstract: Abstract Tridentate 2,6-bis(imino)phenol (L1−L4) and 2,6-bis(amino)phenol (L5−L8) ligands and their corresponding zinc chloride complexes (1–8) have been synthesized and well characterized by FT-IR, 1H and 13C NMR, elemental analysis and single-crystal X-ray diffraction analysis. It… read more here.
Keywords: amino phenol; phenol; zinc; zinc complexes ... See more keywords
New dialkylenetriamine zinc complexes as highly efficient ROP catalysts
Sign Up to like & getrecommendations! Published in 2020 at "Mendeleev Communications"
DOI: 10.1016/j.mencom.2020.09.014
Abstract: The reaction of Zn[N(SiMe3)2]2 with N-alkyl-N-[ω- (pentafluorophenylamino)alkyl]-N-[2-(pentafluorophenylamino) ethyl]amines afforded new bicyclic zinc complexes. The complexes initiate ring-opening polymerization of ɛ-caprolactone and trimethylene carbonate to give the corresponding polymers with high molecular weight and satisfactory degree… read more here.
Keywords: zinc; new dialkylenetriamine; complexes highly; dialkylenetriamine zinc ... See more keywords
Zinc Complexes with Cyanoxime: Structural, Spectroscopic, and Catalysis Studies in the Pivaloylcyanoxime-Zn System.
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DOI: 10.1021/acs.inorgchem.7b01891
Abstract: Reaction of 2-hydroxyimino-4,4-dimethyl-3-oxo-pentanenitrile (common abbreviation HPiCO, pivaloyl-cyanoxime) with zinc sulfate in an aqueous solution results in the formation of the two new complexes: [Zn(PiCO){H(PiCO)2}(H2O)] (I) and tetranuclear Zn complex [Zn4(μ3-OH)2(PiCO)6 (H2O)4] (II). Both complexes were… read more here.
Keywords: zinc; zinc complexes; catalysis; complexes cyanoxime ... See more keywords
A pair of 3D enantiotopic zinc(ii) complexes based on two asymmetric achiral ligands.
Sign Up to like & getrecommendations! Published in 2017 at "Dalton transactions"
DOI: 10.1039/c7dt03205f
Abstract: Enantiomorphism and enantioselectivity are critical in biology and many other applications. Herein, we report two 3D chiral MOFs {[Zn6(MIDPPA)3(1,2,4-btc)3(NO2)3(H2O)3](H2O)7}n (1L and 1R) based on achiral ligands with high enantiomeric excess and a novel topological type.… read more here.
Keywords: enantiotopic zinc; zinc complexes; chiral mofs; complexes based ... See more keywords