Emeritus Professor Carl Redshaw's Outputs (377)

Copper-free click chemistry between azides and internal alkynes for triphenylene discotic liquid crystal trimer formation (2012)
Journal Article
Bai, Y. F., Bao, L., Hu, P., Wang, B. Q., Redshaw, C., & Zhao, K. Q. (2013). Copper-free click chemistry between azides and internal alkynes for triphenylene discotic liquid crystal trimer formation. Liquid crystals, 40(1), 97-105. https://doi.org/10.1080/02678292.2012.733034

Click chemistry continues to attract much attention and is widely used in a variety of synthetic areas. However, it is a challenge to do this type of reaction in the absence of a copper catalyst. In this report, we overcome this problem and synthesis... Read More about Copper-free click chemistry between azides and internal alkynes for triphenylene discotic liquid crystal trimer formation.

Synthesis, characterization, and the ethylene (co-)polymerization behaviour of half-titanocene dichloride 2-aryliminoquinolin-8-olates (2012)
Journal Article
Huang, W., Zhang, W., Sun, W. H., Wang, L., & Redshaw, C. (2012). Synthesis, characterization, and the ethylene (co-)polymerization behaviour of half-titanocene dichloride 2-aryliminoquinolin-8-olates. Catalysis science & technology, 12(10), 2090-2098. https://doi.org/10.1039/c2cy20240a

A series of half-titanocene dichloride 2-aryliminoquinolin-8-olates, CpTi LCl2 (C1-C6: Cp as C5H5, L as 2-(1-(o-benzhydrylarylimino)methyl)quinolin-8-olates or 2-(1-(o- benzhydrylarylimino)ethyl)quinolin-8-olates), was synthesized and fully character... Read More about Synthesis, characterization, and the ethylene (co-)polymerization behaviour of half-titanocene dichloride 2-aryliminoquinolin-8-olates.

Synthesis, structure and fluorescent properties of 2-(1H-benzoimidazol-2- yl)quinolin-8-ol ligands and their zinc complexes (2012)
Journal Article
Xia, J., Zhou, Z., Li, W., Zhang, H. Q., Redshaw, C., & Sun, W. H. (2013). Synthesis, structure and fluorescent properties of 2-(1H-benzoimidazol-2- yl)quinolin-8-ol ligands and their zinc complexes. Inorganica Chimica Acta, 394, 569-575. https://doi.org/10.1016/j.ica.2012.09.012

A series of 2-(1H-benzoimidazol-2-yl)quinolin-8-ol ligands (L1-L5) and their Zn(II) complexes (C1-C6) were synthesized and characterized by spectroscopic and elemental analyses. The molecular structures of C1 and C6 were confirmed by single-crystal X... Read More about Synthesis, structure and fluorescent properties of 2-(1H-benzoimidazol-2- yl)quinolin-8-ol ligands and their zinc complexes.

Trimetallic yttrium N-(2-methylquinolin-8-yl)benzamides: Synthesis, structure and use in ring-opening polymerization (ROP) of ε-caprolactone (2012)
Journal Article
Zhang, W., Liu, S., Sun, W. H., Hao, X., & Redshaw, C. (2012). Trimetallic yttrium N-(2-methylquinolin-8-yl)benzamides: Synthesis, structure and use in ring-opening polymerization (ROP) of ε-caprolactone. New journal of chemistry = Nouveau journal de chimie, 36(11), 2392-2396. https://doi.org/10.1039/c2nj40711f

A series of trimetallic yttrium complexes, L7Y 3Cl2 [L = N-(2-methylquinolin-8-yl)-p-R-benzamides, 1: R = H; 2: R = OMe; 3: R = Me; 4: R = Cl], has been synthesized by the stoichiometric reaction of YCl3(THF)2 with the corresponding potassium amidate... Read More about Trimetallic yttrium N-(2-methylquinolin-8-yl)benzamides: Synthesis, structure and use in ring-opening polymerization (ROP) of ε-caprolactone.

Synthesis and inclusion properties of C3-symmetric triazole derivatives based on hexahomotrioxacalix[3]arene (2012)
Journal Article
Jin, C. C., Kinoshita, T., Cong, H., Ni, X. L., Zeng, X., Hughes, D. L., Redshaw, C., & Yamato, T. (2012). Synthesis and inclusion properties of C3-symmetric triazole derivatives based on hexahomotrioxacalix[3]arene. New journal of chemistry = Nouveau journal de chimie, 36(12), 2580-2586. https://doi.org/10.1039/c2nj40599g

A series of metal ion receptors cone-7,15,23-tri-tert-butyl-25,26,27- tris{[1H-(1-arylmethyl)(1,2,3-triazolyl)]-4-methoxy}hexahomotrioxacalix[3] arenes, cone-3-cone-5, have been synthesized from 7,15,23-tri-tert-butyl-25,26, 27-tris(propargyloxy)hexa... Read More about Synthesis and inclusion properties of C3-symmetric triazole derivatives based on hexahomotrioxacalix[3]arene.

2-(1-(Arylimino)ethyl)-8-arylimino-5,6,7-trihydroquinolylcobalt dichloride: Synthesis and polyethylene wax formation (2012)
Journal Article
Sun, W. H., Kong, S., Chai, W., Shiono, T., Redshaw, C., Hu, X., Guo, C., & Hao, X. (2012). 2-(1-(Arylimino)ethyl)-8-arylimino-5,6,7-trihydroquinolylcobalt dichloride: Synthesis and polyethylene wax formation. Applied catalysis. A, General, 447-448, 67-73. https://doi.org/10.1016/j.apcata.2012.09.011

A series of 2-(1-(arylimino)ethyl)-8-arylimino-5,6,7-trihydroquinolylcobalt dichloride (aryl = 2,6-R1-4-R2C6H2) pre-catalysts were synthesized and structurally characterized by FT-IR and elemental analyses. The molecular structures of Co1 (R1 = Me, R... Read More about 2-(1-(Arylimino)ethyl)-8-arylimino-5,6,7-trihydroquinolylcobalt dichloride: Synthesis and polyethylene wax formation.

Vanadium(III) phenoxyimine complexes for ethylene or ε-caprolactone polymerization: Mononuclear versus binuclear pre-catalysts (2012)
Journal Article
Clowes, L., Walton, M., Redshaw, C., Chao, Y., Walton, A., Elo, P., Sumerin, V., & Hughes, D. L. (2013). Vanadium(III) phenoxyimine complexes for ethylene or ε-caprolactone polymerization: Mononuclear versus binuclear pre-catalysts. Catalysis science & technology, 3(1), 152-160. https://doi.org/10.1039/c2cy20571h

The mononuclear {[C6H4NCH(ArO)]2VCl(THF)} (Ar = 2,4-t-Bu2C6H2 (1), Ar = C 6H4 (2)), {O[C6H4NCH(ArO)] 2}VCl(THF) (Ar = 2,4-t-Bu2C6H2 (3), Ar = C6H4 (4)) and the binuclear vanadium(iii) complexes {[C6H4NCH(ArO)]VCl2(THF)2} 2(μ-CH2CH2) (Ar = 2,4-t-Bu2C... Read More about Vanadium(III) phenoxyimine complexes for ethylene or ε-caprolactone polymerization: Mononuclear versus binuclear pre-catalysts.

Dimethylaluminium aldiminophenolates: Synthesis, characterization and ring-opening polymerization behavior towards lactides (2012)
Journal Article
Zhang, W., Wang, Y., Sun, W. H., Wang, L., & Redshaw, C. (2012). Dimethylaluminium aldiminophenolates: Synthesis, characterization and ring-opening polymerization behavior towards lactides. Dalton Transactions : an international journal of inorganic chemistry, 41, 11587-11596. https://doi.org/10.1039/c2dt31215h

The stoichiometric reaction of the salicylaldimine derivatives (L1-L12) with trimethylaluminium afforded the corresponding dimethylaluminium aldiminophenolates (C1-C12), which were fully characterized by NMR spectroscopy and elemental analysis. The m... Read More about Dimethylaluminium aldiminophenolates: Synthesis, characterization and ring-opening polymerization behavior towards lactides.

2-(1-(Arylimino)ethyl)-8-arylimino-5,6,7-trihydroquinoline iron(II) chloride complexes: synthesis, characterization, and ethylene polymerization behavior (2012)
Journal Article
Zhang, W., Chai, W., Sun, W. H., Hu, X., Redshaw, C., & Hao, X. (2012). 2-(1-(Arylimino)ethyl)-8-arylimino-5,6,7-trihydroquinoline iron(II) chloride complexes: synthesis, characterization, and ethylene polymerization behavior. Organometallics, 31(14), 5039-5048. https://doi.org/10.1021/om300388m

The series of 2-(1-(arylimino)ethyl)-8-arylimino-5,6,7-trihydroquinolines was synthesized and fully characterized, for which data indicated two isomer forms of each due to the migration of a double bond. The corresponding iron dichloride complexes we... Read More about 2-(1-(Arylimino)ethyl)-8-arylimino-5,6,7-trihydroquinoline iron(II) chloride complexes: synthesis, characterization, and ethylene polymerization behavior.

Highly active 8-benzoxazolyl- or 8-benzothiazolyl-2- alkylquinolinylnickel(II) complexes for ethylene dimerization and vinyl polymerization of norbornene (2012)
Journal Article
Hao, P., Song, S., Xiao, T., Li, Y., Redshaw, C., & Sun, W. H. (2013). Highly active 8-benzoxazolyl- or 8-benzothiazolyl-2- alkylquinolinylnickel(II) complexes for ethylene dimerization and vinyl polymerization of norbornene. Polyhedron, 52, 1138-1144. https://doi.org/10.1016/j.poly.2012.06.056

The series of nickel halide complexes LNiX2 (C1-C6, X = Cl; C7-C12, X = Br), where L represents one of 8-benzoxazolyl-2-alkylquinoline or 8-benzothiazolyl-2-alkylquinoline derivatives, have been prepared. The molecular structures of the representativ... Read More about Highly active 8-benzoxazolyl- or 8-benzothiazolyl-2- alkylquinolinylnickel(II) complexes for ethylene dimerization and vinyl polymerization of norbornene.

Enhancing the activity and thermal stability of iron precatalysts using 2-(1-{2,6-bis[bis(4-fluorophenyl)methyl]-4-methylphenylimino}ethyl) -6-[1-(arylimino)ethyl]pyridines (2012)
Journal Article
Sun, W. H., Zhao, W., Yu, J., Zhang, W., Hao, X., & Redshaw, C. (2012). Enhancing the activity and thermal stability of iron precatalysts using 2-(1-{2,6-bis[bis(4-fluorophenyl)methyl]-4-methylphenylimino}ethyl) -6-[1-(arylimino)ethyl]pyridines. Macromolecular Chemistry and Physics, 213(12), 1266-1273. https://doi.org/10.1002/macp.201200051

A series of 2-(1-{2,6-bis[bis(4-fluorophenyl)methyl]-4-methylphenylimino} ethyl)-6- [1-(arylimino)ethyl]pyridine ligands is synthesized and fully characterized. The corresponding iron complexes are prepared and characterized by single-crystal X-ray d... Read More about Enhancing the activity and thermal stability of iron precatalysts using 2-(1-{2,6-bis[bis(4-fluorophenyl)methyl]-4-methylphenylimino}ethyl) -6-[1-(arylimino)ethyl]pyridines.

2-Aldiminophenoxytitanium chloride complexes: Synthesis, characterization, and ethylene (co-)polymerization behavior (2012)
Journal Article
Zhang, W., Wang, Y., Redshaw, C., Hao, X., & Sun, W. H. (2012). 2-Aldiminophenoxytitanium chloride complexes: Synthesis, characterization, and ethylene (co-)polymerization behavior. Journal of organometallic chemistry, 715, 119-128. https://doi.org/10.1016/j.jorganchem.2012.05.048

A series of trichlorotitanium 2-aldiminophenoxylate complexes (C1-C6) was synthesized by the stoichiometric reaction of TiCl 4(THF) 2 with the potassium salts of 6-alkyl-2-aldiminophenolates derived from ligands (L1-L6) bearing a bulky benzhydryl sub... Read More about 2-Aldiminophenoxytitanium chloride complexes: Synthesis, characterization, and ethylene (co-)polymerization behavior.

2-[1-(2,6-dibenzhydryl-4-chlorophenylimino)ethyl]-6-[1-aryliminoethyl] pyridyl cobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior (2012)
Journal Article
He, F., Zhao, W., Cao, X. P., Liang, T., Redshaw, C., & Sun, W. H. (2012). 2-[1-(2,6-dibenzhydryl-4-chlorophenylimino)ethyl]-6-[1-aryliminoethyl] pyridyl cobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior. Journal of organometallic chemistry, 713, 209-216. https://doi.org/10.1016/j.jorganchem.2012.05.020

A series of 2-[1-(2,6-dibenzhydryl-4-chlorophenylimino)ethyl]-6-[1- aryliminoethyl]pyridyl cobalt(II) dichloride complexes (Co1-Co5) were prepared and characterized by elemental and spectroscopic analysis. The molecular structures of the representati... Read More about 2-[1-(2,6-dibenzhydryl-4-chlorophenylimino)ethyl]-6-[1-aryliminoethyl] pyridyl cobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior.

2,6-Dibenzhydryl-N-(2-aryliminoacenaphthylenylidene)-4-chlorobenzenamino- palladium dichlorides: Synthesis, characterization, and use as catalysts in the Heck-reaction (2012)
Journal Article
Ban, Q., Zhang, J., Liang, T., Redshaw, C., & Sun, W. H. (2012). 2,6-Dibenzhydryl-N-(2-aryliminoacenaphthylenylidene)-4-chlorobenzenamino- palladium dichlorides: Synthesis, characterization, and use as catalysts in the Heck-reaction. Journal of organometallic chemistry, 713, 151-156. https://doi.org/10.1016/j.jorganchem.2012.05.015

A series of 2,6-dibenzhydryl-N-(2-aryliminoacenaphthylenylidene)-4- chlorobenzenaminopalladium(II) chloride complexes (C1-C6) were prepared and fully characterized by FT-IR and NMR spectroscopy, and by elemental analysis. The molecular structures of... Read More about 2,6-Dibenzhydryl-N-(2-aryliminoacenaphthylenylidene)-4-chlorobenzenamino- palladium dichlorides: Synthesis, characterization, and use as catalysts in the Heck-reaction.

Tridentate ligands and beyond in group IV metal α-olefin homo-/co-polymerization catalysis (2012)
Journal Article
Redshaw, C., & Tang, Y. (2012). Tridentate ligands and beyond in group IV metal α-olefin homo-/co-polymerization catalysis. Chemical Society Reviews, 41(12), 4484-4510. https://doi.org/10.1039/c2cs35028a

The opening up of new markets, particularly in the Far East, is expected to increase the industrial demand for more (and new) plastic materials. In turn, this will drive the need for further catalyst development, with increased efficiency and with th... Read More about Tridentate ligands and beyond in group IV metal α-olefin homo-/co-polymerization catalysis.

Nickel halide complexes bearing 2-benzimidazolyl-N-arylquinoline-8- carboxamide derived ligands: Synthesis, characterization and catalytic behavior towards ethylene oligomerization and the vinyl polymerization of norbornene (2012)
Journal Article
He, F., Hao, X., Cao, X., Redshaw, C., & Sun, W. H. (2012). Nickel halide complexes bearing 2-benzimidazolyl-N-arylquinoline-8- carboxamide derived ligands: Synthesis, characterization and catalytic behavior towards ethylene oligomerization and the vinyl polymerization of norbornene. Journal of organometallic chemistry, 712, 46-51. https://doi.org/10.1016/j.jorganchem.2012.04.013

Nickel halide complexes of the type L 2NiX 2 (Ni1-Ni6, X = Cl; Ni7-Ni12, X = Br) bearing 2-benzimidazolyl-N-arylquinoline-8-carboxamide derived ligands have been synthesized and characterized by IR spectroscopy and elemental analysis. The molecular s... Read More about Nickel halide complexes bearing 2-benzimidazolyl-N-arylquinoline-8- carboxamide derived ligands: Synthesis, characterization and catalytic behavior towards ethylene oligomerization and the vinyl polymerization of norbornene.

Hexahomotrioxacalix[3]arene derivatives as ionophores for molecular recognition of dopamine, serotonin and phenylethylamine (2012)
Journal Article
Ni, X. L., Rahman, S., Wang, S., Jin, C. C., Zeng, X., Hughes, D. L., Redshaw, C., & Yamato, T. (2012). Hexahomotrioxacalix[3]arene derivatives as ionophores for molecular recognition of dopamine, serotonin and phenylethylamine. Organic & biomolecular chemistry, 10(23), 4618-4626. https://doi.org/10.1039/c2ob25177a

The lower rim functionalized hexahomotrioxacalix[3]arene derivatives cone-3 and cone-5 bearing three benzyl and three N,N-diethyl-2-aminoethoxy groups, respectively, were synthesized from triol 1. Their complexation with 2-(3,4-dihydroxyphenyl)ethyla... Read More about Hexahomotrioxacalix[3]arene derivatives as ionophores for molecular recognition of dopamine, serotonin and phenylethylamine.

Cellular uptake studies of two hexanuclear, carboxylate bridged, zinc ring structures using fluorescence microscopy (2012)
Journal Article
Redshaw, C., Elsegood, M. R., Frese, J. W., Ashby, S., Chao, Y., & Mueller, A. (2012). Cellular uptake studies of two hexanuclear, carboxylate bridged, zinc ring structures using fluorescence microscopy. Chemical communications : Chem comm / the Royal Society of Chemistry, 48(53), 6627. https://doi.org/10.1039/c2cc32060f

Two hexanuclear zinc complexes have been structurally characterized, and evaluation against several cells showed selective toxicity. Cellular uptake revealed a non-specific process, resulting in accumulation within the cell cytoplasm. © 2012 The Roya... Read More about Cellular uptake studies of two hexanuclear, carboxylate bridged, zinc ring structures using fluorescence microscopy.

6-Benzhydryl-4-methyl-2-(1H-benzoimidazol-2-yl)phenol ligands and their zinc complexes: Syntheses, characterization and photoluminescence behavior (2012)
Journal Article
Zhou, Z., Li, W., Hao, X., Redshaw, C., Chen, L., & Sun, W. H. (2012). 6-Benzhydryl-4-methyl-2-(1H-benzoimidazol-2-yl)phenol ligands and their zinc complexes: Syntheses, characterization and photoluminescence behavior. Inorganica Chimica Acta, 392, 345-353. https://doi.org/10.1016/j.ica.2012.03.057

The series of 6-benzhydryl-4-methyl-2-(1H-benzoimidazol-2-yl)phenol derivatives (HL) and their zinc complexes (ZnL2) were synthesized and fully characterized. Single-crystal X-ray diffraction studies were conducted on representative complexes (C1 and... Read More about 6-Benzhydryl-4-methyl-2-(1H-benzoimidazol-2-yl)phenol ligands and their zinc complexes: Syntheses, characterization and photoluminescence behavior.

Synthesis, structure and photophysical properties of 2-benzhydryl-4-methyl- 6-(aryliminomethyl)phenol ligands and the zinc complexes thereof (2012)
Journal Article
Zhou, Z., Li, W., Hou, X., Chen, L., Hao, X., Redshaw, C., & Sun, W. H. (2012). Synthesis, structure and photophysical properties of 2-benzhydryl-4-methyl- 6-(aryliminomethyl)phenol ligands and the zinc complexes thereof. Inorganica Chimica Acta, 392, 292-299. https://doi.org/10.1016/j.ica.2012.03.046

The Schiff-base ligands 2-benzhydryl-4-methyl-6-((phenylimino)methyl)phenol (L1-L5), and their corresponding zinc complexes (C1-C5), were prepared and fully characterized. The UV-Vis absorption and fluorescence spectra of the ligands and their Zn(II)... Read More about Synthesis, structure and photophysical properties of 2-benzhydryl-4-methyl- 6-(aryliminomethyl)phenol ligands and the zinc complexes thereof.