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Increased Efficiency of Dye‐Sensitized Solar Cells by Incorporation of a π Spacer in Donor–Acceptor Zinc Porphyrins Bearing Cyanoacrylic Acid as an Anchoring Group
10.1002/ejic.201800123 2018-04-06 Two novel porphyrins, ZnP(SP)CNCOOH and ZnPCNCOOH, bearing cyanoacrylic acid as an anchoring group were synthesized. Porphyrin ZnP(SP)CNCOOH contains a π‐conjugated spacer (SP) for improved electronic communication between the dye and the TiO2 electrode. The ... |
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Exploring Synthetic Routes to Heteroleptic UIII, UIV, and ThIV Bulky Bis(silyl)amide Complexes
10.1002/ejic.201800036 2018-04-06 The bis(silyl)amide {N(SiMe3)2} (N′′) has supported spectacular actinide (An) chemistry for over 40 years, yet surprisingly there are only a handful of An complexes containing larger bis(silyl)amides, for example [U(N**)3] [N** = {N(SiMe2tBu)2}, 1]. Herein we... |
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[Co(MeTAA)] Metalloradical Catalytic Route to Ketenes via Carbonylation of Carbene Radicals
10.1002/ejic.201800101 2018-04-06 An efficient synthetic strategy towards beta‐lactams, amides, and esters involving “in situ” generation of ketenes and subsequent trapping with nucleophiles is presented. Carbonylation of carbene radical intermediates using the cheap and highly active cobalt(... |
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Copper(I)–Dioxygen Reactivity in the Isolated Cavity of a Nanoscale Molecular Architecture
10.1002/ejic.201800029 2018-04-06 Copper(I) and copper(II) complexes supported by a bulky tetradentate N4 ligand, [CuI(TIPT3tren)(CH3CN)]ClO4 (1) and [CuII(TIPT3tren)Cl]BF4 (2), were synthesized and characterized, where TIPT is 2,2′′,6,6′′‐tetraisopropyl‐1,3′:5′,1′′‐terphenyl and tren is tris... |
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Insight into Solvent Coordination of an Iron Porphyrin Hydroxylamine Complex from Spectroscopy and DFT Calculations
10.1002/ejic.201800040 2018-03-25 The reduction of Fe(OEP)(NO) in the presence of substituted phenols leads to a three‐electron reduction to form Fe(OEP)(NH2OH), which has been characterized by visible spectroscopy and electron stoichiometry. In this work, we have further characterized this s... |
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Synthesis and Characterization of Stable Gold(III) PNP Pincer Complexes
10.1002/ejic.201800019 2018-03-23 The first mononuclear AuIII PNP pincer complexes [PNP = bis(2‐diisopropylphosphinophenyl)amide] are reported. The chloro complex [(PNP)Au(Cl)][OAcF] (OAcF = OCOCF3) was synthesized by microwave irradiation of a tetrachloroaurate salt and the neutral PNHP liga... |
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An Inverse Opal Structured Halide Perovskite Photocatalyst
10.1002/ejic.201800078 2018-03-23 We employ a colloidal crystal templating approach to fabricate ordered macro‐mesoporous CsPbBr3 and demonstrate its superior photocatalytic activity compared to its non‐templated counterpart in the degradation of an organic pollutant. The presented templating... |
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Coordination Chemistry of the Redox Non‐Innocent Ligand Bis(2‐amino‐3,5‐di‐tert‐butylphenyl)amine with Group 10 Metal Ions (Ni, Pd, Pt)
10.1002/ejic.201701448 2018-03-22 The pincer ligand H3L3N, bis(2‐amino‐3,5‐di‐tert‐butylphenyl)amine}, was chelated to NiII, PdII, and PtII. Square‐planar complexes of stoichiometry 2:1 (ligand/metal) formed, wherein the ligand coordinates in a bidentate fashion. By X‐ray diffraction we estab... |
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Nickel‐alkyl complexes with a reactive PNC‐pincer ligand
10.1002/ejic.201800168 2018-03-15 Based on previous work related to the design and application of rigid tridentate phosphine‐pyridine‐phenyl coordination offered by a PNC‐pincer ligand upon cyclometalation to nickel, the synthesis, spectroscopic and solid state characterization and redox‐reac... |
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Spectroscopic Studies of Photochemical Transformations of Cymantrenylquinazolinone Derivatives
10.1002/ejic.201800244 2018-03-15 For the first time, photochemical properties of compounds 1‐4 containing a cymantrene fragment at the 2‐ or 3‐position of quinazolinone were studied. It was found that the ‐NC=O group in compounds 1 and 2 is capable of coordinating to the Mn atom with the for... |