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Trinuclear zinc calix[4]arenes: synthesis, structure, and ring opening polymerization studies (2022)
Journal Article
Xing, T., Frese, J., Derbyshire, M., Glenister, M. A., Elsegood, M. R. J., & Redshaw, C. (2022). Trinuclear zinc calix[4]arenes: synthesis, structure, and ring opening polymerization studies. Dalton Transactions : an international journal of inorganic chemistry, https://doi.org/10.1039/d2dt01496c

The trinuclear zinc calix[4]arene complexes [Zn3(O2CCH3)2(L(O)2(OMe)2)2·xMeCN (x = 7.5, 1; x = 6, 1′), [Zn3(O2CCH3)2(L(O)2(OnPr)2)2·5MeCN (2·5MeCN), [Zn3(OEt)2(L(O)2(OMe)2)2]·4MeCN (3·4MeCN), [Zn3(OEt)2(L(Opentyl)2)2]·4.5MeCN (4·4.5MeCN) and [Zn3(OH)... Read More about Trinuclear zinc calix[4]arenes: synthesis, structure, and ring opening polymerization studies.

Mixed-metal calix[8]arene complexes: structure, and ring opening polymerisation studies (2022)
Journal Article
Xing, T., Derbyshire, M., Elsegood, M. R., & Redshaw, C. (2022). Mixed-metal calix[8]arene complexes: structure, and ring opening polymerisation studies. Chemical communications : Chem comm / the Royal Society of Chemistry, 58(53), 7427-7430. https://doi.org/10.1039/d2cc02236b

Reactions of différent combinations of group V alkoxides or tungsten oxyalkoxide salts with p-tert-butylcalix[8]areneH8 (L8H8) affords mixed-metal calix[8]arene systems. Intruiging molecular structures are formed and the systems are capable of the ri... Read More about Mixed-metal calix[8]arene complexes: structure, and ring opening polymerisation studies.

Pentamethylcyclopentadienyl molybdenum(V) complexes derived from iodoanilines: Synthesis, structure, and rop of ε-caprolactone (2021)
Journal Article
Xing, T., Elsegood, M. R. J., Dale, S. H., & Redshaw, C. (2021). Pentamethylcyclopentadienyl molybdenum(V) complexes derived from iodoanilines: Synthesis, structure, and rop of ε-caprolactone. Catalysts, 11(12), Article 1554. https://doi.org/10.3390/catal11121554

The reaction of [Mo(η-C5Me5 )Cl4 ] with the ortho-, meta-, or para-iodo-functionalized anilines 2-IC6H4NH2, 3-IC6H4NH2, 4-IC6H4NH2 yields imido or amine products of the type [Mo(ηC5Me5 )Cl2 (IC6H4N)] (2-I, 1, 3-I, 3, 4-I, 5) or [Mo(η-C5Me5 )Cl4 (IC6H... Read More about Pentamethylcyclopentadienyl molybdenum(V) complexes derived from iodoanilines: Synthesis, structure, and rop of ε-caprolactone.

Lithiated Calix[ n]arenes (n = 6 or 8): Synthesis, Structures, and Use in the Ring-Opening Polymerization of Cyclic Esters (2021)
Journal Article
Xing, T., Jiang, C., Elsegood, M. R. J., & Redshaw, C. (2021). Lithiated Calix[ n]arenes (n = 6 or 8): Synthesis, Structures, and Use in the Ring-Opening Polymerization of Cyclic Esters. Inorganic chemistry, https://doi.org/10.1021/acs.inorgchem.1c02192

A variety of lithiated calix[n]arenes, for which n = 6 or 8, have been isolated, structurally characterized, and evaluated as catalysts for the ring-opening polymerization (ROP) of the cyclic esters ϵ-caprolactone (ϵ-CL), δ-valerolactone (δ-VL), and... Read More about Lithiated Calix[ n]arenes (n = 6 or 8): Synthesis, Structures, and Use in the Ring-Opening Polymerization of Cyclic Esters.

Lead calix[n]arenes (n = 4, 6, 8): Structures and ring opening homo-/co-polymerization capability for cyclic esters (2021)
Journal Article
Xing, T., Prior, T. J., & Redshaw, C. (2021). Lead calix[n]arenes (n = 4, 6, 8): Structures and ring opening homo-/co-polymerization capability for cyclic esters. Dalton Transactions : an international journal of inorganic chemistry, 50(42), 15140-15152. https://doi.org/10.1039/d1dt02790e

Reaction of [LiPb(OiPr)3]2 (generated in situ) with either p-tert-butylcalix[4]areneH4 (L4H4) or p-tert-butylcalix[6]areneH6 (L6H6) resulted in the heterometallic lithium/lead complexes [Pb4Li2(L4)4H6(MeCN)3]·4.5MeCN (1·4.5MeCN) and [Pb8Li10Cl2(L6H2)... Read More about Lead calix[n]arenes (n = 4, 6, 8): Structures and ring opening homo-/co-polymerization capability for cyclic esters.

Titanium complexes bearing oxa- and azacalix[4, 6]arenes: structural studies and use in the ring opening homo-/co-polymerization of cyclic esters. (2021)
Journal Article
Xing, T., Prior, T. J., Chen, K., & Redshaw, C. (2021). Titanium complexes bearing oxa- and azacalix[4, 6]arenes: structural studies and use in the ring opening homo-/co-polymerization of cyclic esters. Dalton Transactions : an international journal of inorganic chemistry, 50(12), 4396-4407. https://doi.org/10.1039/d1dt00189b

Reaction of excess [Ti(OiPr)4] with p-tert-butyltetrahomodioxacalix[6]areneH6 (L1H6) afforded, after work-up (MeCN), the complex [Ti2(OiPr)2(MeCN)L1]∙3.5MeCN (1∙3.5MeCN), whilst the oxo complex [Ti4(3-O)2(H2O)(L1)2]∙MeCN (2∙MeCN) was isolated via a... Read More about Titanium complexes bearing oxa- and azacalix[4, 6]arenes: structural studies and use in the ring opening homo-/co-polymerization of cyclic esters..

Co-polymerization of propylene oxide and CO2 using early transition metal (groups IV and V) metallocalix[n]arenes (n = 4, 6, 8) (2021)
Journal Article
Sun, Y. C., He, Z. H., Wang, Z. Y., Xing, T., Wang, Z., Sun, Y., …Redshaw, C. (in press). Co-polymerization of propylene oxide and CO2 using early transition metal (groups IV and V) metallocalix[n]arenes (n = 4, 6, 8). Journal of Applied Polymer Science, Article 50513. https://doi.org/10.1002/app.50513

A number of metallocalix[n]arenes, where n = 4, 6, or 8, of titanium and vanadium have been screened for their ability to act as catalysts for the co‐polymerization of propylene oxide and CO2 to form cyclic/polycarbonates. The vanadium‐containing cat... Read More about Co-polymerization of propylene oxide and CO2 using early transition metal (groups IV and V) metallocalix[n]arenes (n = 4, 6, 8).

Vanadium complexes derived from oxacalix[6]arenes: structural studies and use in the ring opening homo-/co-polymerization of ε-caprolactone/δ-valerolactone and ethylene polymerization (2020)
Journal Article
Xing, T., Prior, T. J., Elsegood, M. R. J., Semikolenova, N. V., Soshnikov, I. E., Bryliakov, K. P., …Redshaw, C. (2021). Vanadium complexes derived from oxacalix[6]arenes: structural studies and use in the ring opening homo-/co-polymerization of ε-caprolactone/δ-valerolactone and ethylene polymerization. Catalysis science & technology, 11(2), 624-636. https://doi.org/10.1039/d0cy01979h

Reaction of Na[VO(tBuO)4] (generated in-situ from VOCl3 and NaOtBu) with p-tert-butyltetrahomodioxacalix[6]areneH6 (L1H6) afforded, after work-up (in MeCN), the mixed-metal complex [(VO)2(μ-O)Na2(L1)(MeCN)4]·5(MeCN) (1·5MeCN), whilst the oxo complex... Read More about Vanadium complexes derived from oxacalix[6]arenes: structural studies and use in the ring opening homo-/co-polymerization of ε-caprolactone/δ-valerolactone and ethylene polymerization.

Mono-oxo molybdenum(VI) and tungsten(VI) complexes bearing chelating aryloxides: synthesis, structure and ring opening polymerization of cyclic esters (2018)
Journal Article
Sun, Z., Zhao, Y., Prior, T. J., Elsegood, M. R., Wang, K., Xing, T., & Redshaw, C. (2019). Mono-oxo molybdenum(VI) and tungsten(VI) complexes bearing chelating aryloxides: synthesis, structure and ring opening polymerization of cyclic esters. Dalton Transactions : an international journal of inorganic chemistry, 48(4), 1454-1466. https://doi.org/10.1039/c8dt04566f

The mono-oxo aryloxide complexes [M(O)(L1)2] (M = Mo (1·hexane), W(2·2MeCN)) have been prepared from [Mo(O)(Cl)4] or [W(O)(Ot-Bu)4] and two equivalents of the di-phenol 2,2/-ethylidenebis(4,6-di-tert-butylphenol) L1H2, respectively. Use of in-situ ge... Read More about Mono-oxo molybdenum(VI) and tungsten(VI) complexes bearing chelating aryloxides: synthesis, structure and ring opening polymerization of cyclic esters.