Výsledky vyhledávání - "MALCOLM H . CHISHOLM"

Highly efficient metal(iii) porphyrin and salen complexes for the polymerization of rac-lactide under ambient conditions

Autor: Jonggol Tantirungrotechai, Siriwan Praban, Parichat Piromjitpong, Savithra Jayaraj, Vagulejan Balasanthiran, Khamphee Phomphrai, Malcolm H. Chisholm

Publikováno v: Dalton Transactions. 48:3223-3230

Ligated metal(III) complexes, Al(III), In(III), Cr(III), and Co(III), containing tetraphenylporphyrin (TPP) and cyclohexylsalen (Cy-salen) ligands were investigated for the polymerization of rac-lactide (rac-LA). A combination of metal complexes, co-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c9861b2cdb98d2a30840bc1d3adce2f
https://doi.org/10.1039/c8dt04699a

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Probing Interligand Electron Transfer in the 1MLCT S1 Excited State of trans-Mo2L2L′2 Compounds: A Comparative Study of Auxiliary Ligands and Solvents

Autor: Samantha E. Brown-Xu, Ewan J. M. Hamilton, Judith C. Gallucci, Malcolm H. Chisholm, Changcheng Jiang, Philip J. Young, William T. Kender

Publikováno v: Inorganic Chemistry. 56:9660-9668

The interligand charge dynamics of the lowest singlet metal-to-ligand charge-transfer states (1MLCT S1 states) of a series of quadruply bonded trans-Mo2(NN)2(O2C–X)2 paddlewheel compounds are investigated, where NN is a π-accepting phenylpropiolam

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4482257edf0c677f0741b36969ad76d
https://doi.org/10.1021/acs.inorgchem.7b01164

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TMPMg Bu(L), where L = THF, 2-MeTHF, pyridine and dimethylaminopyridine and TMP = 1,5,9-trimesityldipyrromethene: Reaction with lactide and ε-caprolactone

Autor: Stanley M. Jing, Pasco M. Wambua, Kittisak Choojun, Vagulejan Balasanthiran, Christopher B. Durr, Malcolm H. Chisholm

Publikováno v: Journal of Organometallic Chemistry. 842:74-81

The compounds TMPMgnBu(L), where L = THF, 2-MeTHF, pyridine (py) and dimethylaminopyridine (DMAP) and TMP = 1,5,9-trimesityldipyrromethene, have been synthesized and allowed to initiate polymerization with rac-lactide (rac-LA) and e-caprolactone (e �

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec3a6b7f994edb243a8a186e5d01f9f1
https://doi.org/10.1016/j.jorganchem.2017.05.016

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Femtosecond Study of Dimolybdenum Paddlewheel Compounds with Amide/Thioamide Ligands: Symmetry, Electronic Structure, and Charge Distribution in the 1MLCT S1 State

Autor: Judith C. Gallucci, Samantha E. Brown-Xu, Malcolm H. Chisholm, Philip J. Young, Changcheng Jiang

Publikováno v: Inorganic Chemistry. 56:1433-1445

Four photophysically interesting dimolybdenum paddlewheel compounds are synthesized and characterized: I and II contain amide ligand (N,3-diphenyl-2-propynamide), and III and IV contain thioamide ligand (N,3-diphenyl-2-propynethioamide). I and III ar

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https://doi.org/10.1021/acs.inorgchem.6b02517

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A new route for the preparation of enriched iso-polylactide from rac-lactide via a Lewis acid catalyzed ring-opening of an epoxide

Autor: William J. Simonsick, Savithra Jayaraj, Malcolm H. Chisholm, Choumini Balasanthiran, Parichat Piromjitpong, Balaram Raya, Mathew D. Anker, Vagulejan Balasanthiran, Siriwan Praban, Kaleb C Mathieu

Publikováno v: Dalton Transactions. 46:5938-5945

Tetraphenylporphyrin aluminum(III) salts, TPPAlX, where X = Me, OEt, OiPr, OCHMeCH2Cl, and Cl, and bis(triphenylphosphine)imminium chloride, PPN+Cl− (1 : 1) react with rac-lactide, rac-LA, in neat propylene oxide, PO, to yield chains of enriched is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cfed4a5116023baa6a914c1a6169063
https://doi.org/10.1039/c6dt03198f

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TMPZnN(SiMe 3 ) 2 , [TMPZn( μ -O i Pr)] 2 and TMPZn[OCMe 2 C(O)OEt]. Their role in the ring-opening of rac -lactide and ε -caprolactone where TMP = 1,5,9-trimesityldipyrromethene

Autor: Pasco M. Wambua, Vagulejan Balasanthiran, Kittisak Choojun, Malcolm H. Chisholm, Christopher B. Durr

Publikováno v: Journal of Organometallic Chemistry. 812:56-65

From the reaction between Zn[N(SiMe3)2]2 and TMP-H (1 equiv.) in toluene at room temperature TMPZn[N(SiMe3)2] was prepared and subsequently reacted with PriOH (1 equiv.) and HOCMe2C(O)OEt (1 equiv.) to give [TMPZn(μ-OPri)]2 and TMPZn[OCMe2C(O)OEt],

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Synthesis, Structure, and Photophysical Properties of Mo2(NN)4 and Mo2(NN)2(TiPB)2, Where NN = N,N′-Diphenylphenylpropiolamidinate and TiPB = 2,4,6-Triisopropylbenzoate

Autor: Christopher B. Durr, Philip J. Young, Changcheng Jiang, Thomas F. Spilker, Malcolm H. Chisholm

Publikováno v: Inorganic Chemistry. 55:5836-5844

Two dimolybdenum compounds featuring amidinate ligands with a C≡C bond, Mo2(NN)4 (I), where NN = N,N′-diphenylphenylpropiolamidinate, and trans-Mo2(NN)2(TiPB)2 (II), where TiPB = 2,4,6-triisopropylbenzoate, have been prepared and structurally cha

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https://doi.org/10.1021/acs.inorgchem.6b00096

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BDI∗MgX(L) where X = Bu and O Bu and L = THF, py and DMAP. The rates of kinetic exchange of L where BDI∗= CH{C( Bu)N-2,6- Pr2C6H3}2

Autor: Vagulejan Balasanthiran, Malcolm H. Chisholm, Kittisak Choojun, Pasco M. Wambua, Christopher B. Durr

Publikováno v: Polyhedron. 103:235-240

BDI ∗ Mg n Bu(THF) and rac -LA to produce heterotactic PLA have been shown to increase from P r = 0.5–0.65 from DCM to neat THF. The increase in concentration of THF from M THF = 0 in toluene to neat THF is shown to occur by THF dissociation as d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e9513f74cb13f6c431a1f1793c3b5a7d
https://doi.org/10.1016/j.poly.2015.02.024

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Metal–Metal Quadruple Bonds (M = Mo or W) Supported by 4-[2-(4-Pyridinyl)ethenyl] Benzoates and their Complexes with Tris(pentafluorophenyl)boron

Autor: Christopher J Ziehm, Malcolm H. Chisholm

Publikováno v: Inorganic Chemistry. 54:11168-11173

From the reactions between M2(T(i)PB)4 and two equivalents of the acids LH, the compounds trans-M2(T(i)PB)2L2 were isolated where M = Mo, compound I, and M = W, II, T(i)PB = 2,4,6-triisopropylbenzoate, and LH = 4-[2-(4-Pyridinyl)ethenyl]benzoic acid.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cbab92b8323ff198bc164e19373d577
https://doi.org/10.1021/acs.inorgchem.5b01520

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