Search Results - "Petersen, Jeffrey"

A Zirconium Photosensitizer with a Long-Lived Excited State: Mechanistic Insight into Photoinduced Single-Electron Transfer by Zhang, Yu, Lee, Tia S, Petersen, Jeffrey L, Milsmann, Carsten

“…Time-resolved emission spectroscopy for the luminescent zirconium complex Zr­(MePDP)2 (MePDP = 2,6-bis­(5-methyl-3-phenyl-1H-pyrrol-2-yl)­pyridine) revealed a…”
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Photochemical C–C Bond Formation in Luminescent Zirconium Complexes with CNN Pincer Ligands by Zhang, Yu, Petersen, Jeffrey L, Milsmann, Carsten

“…The complexes Zr­(HCNN)2 and Zr­(MeCNN)2 were prepared via reaction of the ligand precursors 2-phenyl-6-(5-methyl-3-phenyl-1H-pyrrol-2-yl)­pyridine, H2 HCNN,…”
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Photophysical Studies of a Zr(IV) Complex with Two Pyrrolide-Based Tetradentate Schiff Base Ligands by Zhang, Yu, Lee, Tia S., Petersen, Jeffrey L., Milsmann, Carsten

“…The reaction of two equivalents of N,N’-bis­(2-pyrrolylmethylidene)-1,2-phenylenediamine (H2bppda) with tetrabenzylzirconium provided the air- and…”
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“Silver Effect” in Gold(I) Catalysis: An Overlooked Important Factor by Wang, Dawei, Cai, Rong, Sharma, Sripadh, Jirak, James, Thummanapelli, Sravan K, Akhmedov, Novruz G, Zhang, Hui, Liu, Xingbo, Petersen, Jeffrey L, Shi, Xiaodong

“…Clear experimental evidence from X-ray photoelectron spectroscopy and 31P NMR spectroscopy has been obtained for the first time to confirm that the combination…”
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Silver-Mediated Oxidative Decarboxylative Trifluoromethylthiolation of Coumarin-3-carboxylic Acids by Li, Minghao, Petersen, Jeffrey L, Hoover, Jessica M

“…The introduction of trifluoromethylthio groups into organic compounds, in particular heterocycles, is important because of the prevalence of these structures…”
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Delayed fluorescence from a zirconium(iv) photosensitizer with ligand-to-metal charge-transfer excited states by Zhang, Yu, Lee, Tia S., Favale, Joseph M., Leary, Dylan C., Petersen, Jeffrey L., Scholes, Gregory D., Castellano, Felix N., Milsmann, Carsten

“…Advances in chemical control of the photophysical properties of transition-metal complexes are revolutionizing a wide range of technologies, particularly…”
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Ligand-Assisted Gold-Catalyzed Cross-Coupling with Aryldiazonium Salts: Redox Gold Catalysis without an External Oxidant by Cai, Rong, Lu, Mei, Aguilera, Ellen Y., Xi, Yumeng, Akhmedov, Novruz G., Petersen, Jeffrey L., Chen, Hao, Shi, Xiaodong

“…Gold‐catalyzed C(sp)–C(sp2) and C(sp2)–C(sp2) cross‐coupling reactions are accomplished with aryldiazonium salts as the coupling partner. With the assistance…”
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Photoluminescence of Seven‐Coordinate Zirconium and Hafnium Complexes with 2,2′‐Pyridylpyrrolide Ligands by Zhang, Yu, Akhmedov, Novruz G., Petersen, Jeffrey L., Milsmann, Carsten

“…Luminescent seven‐coordinated zirconium and hafnium complexes bearing three mono‐anionic 2,2′‐pyridylpyrrolide ligands and one chloride were synthesized…”
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Triazole−Au(I) Complexes: A New Class of Catalysts with Improved Thermal Stability and Reactivity for Intermolecular Alkyne Hydroamination by Duan, Haifeng, Sengupta, Sujata, Petersen, Jeffrey L, Akhmedov, Novruz G, Shi, Xiaodong

“…A series of 1,2,3-triazole-bound cationic Au(I) catalysts have been synthesized, and their structures have been characterized by X-ray crystallography…”
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A Luminescent Zirconium(IV) Complex as a Molecular Photosensitizer for Visible Light Photoredox Catalysis by Zhang, Yu, Petersen, Jeffrey L, Milsmann, Carsten

“…Titanium and zirconium complexes carrying two 2,6-bis­(pyrrolyl)­pyridine ligands have been synthesized and characterized. The neutral complexes Ti­(MePDP)2…”
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Efficient Synthesis of N-2-Aryl-1,2,3-Triazole Fluorophores via Post-Triazole Arylation by Liu, Yuxiu, Yan, Wuming, Chen, Yunfeng, Petersen, Jeffrey L, Shi, Xiaodong

“…Efficient post-triazole regioselective N-2 arylation was developed from C-4, C-5 disubstituted-1,2,3-NH-triazoles. Three different approaches had been…”
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Long-Lived Photoluminescence of Molecular Group 14 Compounds through Thermally Activated Delayed Fluorescence by Gowda, Anitha S., Lee, Tia S., Rosko, Michael C., Petersen, Jeffrey L., Castellano, Felix N., Milsmann, Carsten

“…Photoluminescent molecules exploiting the sizable spin–orbit coupling constants of main group metals and metalloids to access long-lived triplet excited states…”
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Redox Chemistry of Bis(pyrrolyl)pyridine Chromium and Molybdenum Complexes: An Experimental and Density Functional Theoretical Study by Gowda, Anitha S, Petersen, Jeffrey L, Milsmann, Carsten

“…The three- and four-membered redox series [Cr­(MePDP)2] z (z = 1–, 2–, 3−) and [Mo­(MePDP)2] z (z = 0, 1–, 2–, 3−) were synthesized to study the redox…”
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Regioselective Copper-Catalyzed Boracarboxylation of Vinyl Arenes by Butcher, Trevor W, McClain, Edward J, Hamilton, Tyler G, Perrone, Trina M, Kroner, Kayla M, Donohoe, Gregory C, Akhmedov, Novruz G, Petersen, Jeffrey L, Popp, Brian V

“…Regioselective copper-catalyzed boracarboxylation of vinyl arenes with bis­(pinacolato)­diboron and carbon dioxide has been achieved. New boron-functionalized…”
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Effects of Ligand Substitution on the Optical and Electrochemical Properties of (Pyridinedipyrrolide)zirconium Photosensitizers by Zhang, Yu, Leary, Dylan C., Belldina, Anne M., Petersen, Jeffrey L., Milsmann, Carsten

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Gold-Catalyzed Intermolecular C--S Bond Formation: Efficient Synthesis of [alpha]-Substituted Vinyl Sulfones by Xi, Yumeng, Dong, Boliang, McClain, Edward J, Wang, Qiaoyi, Gregg, Tesia L, Akhmedov, Novruz G, Petersen, Jeffrey L, Shi, Xiaodong

“…A general method for the synthesis of [alpha]-substituted vinyl sulfones makes use of a combination of a triazole gold complex and gallium triflate. This…”
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Gold-Catalyzed Intermolecular CS Bond Formation: Efficient Synthesis of α-Substituted Vinyl Sulfones by Xi, Yumeng, Dong, Boliang, McClain, Edward J., Wang, Qiaoyi, Gregg, Tesia L., Akhmedov, Novruz G., Petersen, Jeffrey L., Shi, Xiaodong

“…A general method for the synthesis of α‐substituted vinyl sulfones makes use of a combination of a triazole gold complex and gallium triflate. This efficient…”
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Synthesis of Cyclic Amine Boranes through Triazole-Gold(I)-Catalyzed Alkyne Hydroboration by Wang, Qiaoyi, Motika, Stephen E., Akhmedov, Novruz G., Petersen, Jeffrey L., Shi, Xiaodong

“…The first catalytic alkyne hydroboration of propargyl amine boranecarbonitriles is accomplished with triazole‐AuI complexes. While the typical [L‐Au]+ species…”
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Ambient Benzotriazole Ring Opening through Intermolecular Radical Addition to Vinyltriazole by Su, Yijin, Petersen, Jeffrey L, Gregg, Tesia L, Shi, Xiaodong

“…Radical addition to vinyltriazole was developed as a new approach to achieve 1,2,3-triazole ring opening under mild conditions. Through reagent control,…”
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Iron-Catalyzed C−O Bond Activation for the Synthesis of Propargyl-1,2,3-triazoles and 1,1-Bis-triazoles by Yan, Wuming, Wang, Qiaoyi, Chen, Yunfeng, Petersen, Jeffrey L, Shi, Xiaodong

“…The FeCl3-catalyzed triazole propargylation was developed. This transformation was suitable for a large scope of substituted propargyl alcohols, giving the…”
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