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Start Over Author "Dong, Zhaowen" Journal angewandte chemie international edition
8 results on '"Dong, Zhaowen"'

2. Head‐to‐Tail Dimerization of N‐Heterocyclic Diazoolefins

Author

Varava, Paul, primary, Wong, Tak Hin, additional, Dong, Zhaowen, additional, Gitlina, Anastasia Yu., additional, Sienkiewicz, Andrzej, additional, Feuerstein, Wolfram, additional, Scopelliti, Rosario, additional, Fadaei-Tirani, Farzaneh, additional, and Severin, Kay, additional

Published
2023
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7. A Neutral η5‐Aminoborole Complex of Germanium(II).

Author

Tholen, Patrik, Dong, Zhaowen, Schmidtmann, Marc, Albers, Lena, and Müller, Thomas

Subjects
*AMINO acids, *GERMANIUM isotopes, *BORON compounds, *TROPOLONE, *CHEMICAL amplification
Abstract

Abstract: The synthesis of two η5‐aminoborole complexes of germanium(II) from the reaction of a germole dianion with aminoboron dichlorides is reported. This reaction constitutes a remarkable example of a germole‐to‐borole transformation. The two aminoborole complexes of germanium(II) were fully characterized by multinuclear NMR spectroscopy, IR spectroscopy, HRMS, and, in one case, by X‐ray crystallography. The results of quantum‐mechanical calculations favor the electronic structure of a half‐sandwich complex of GeII over an ionic representation with a germanium dication stabilized by an aromatic aminoborole dianion. [ABSTRACT FROM AUTHOR]

Published
2018
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8. A Dimeric η1,η5‐Germole Dianion Bridged Titanium(III) Complex with a Multicenter Ti−Ge−Ge−Ti Bond.

Author

Dong, Zhaowen, Janka, Oliver, Kösters, Jutta, Schmidtmann, Marc, and Müller, Thomas

Subjects
*TITANIUM compounds, *METAL complexes, *COUPLING reactions (Chemistry), *ANTIFERROMAGNETIC materials, *X-ray diffraction
Abstract

Abstract: Dimeric germole dianion bridged TiIII and ZrIV complexes have been synthesized. In these complexes, the germole dianion adopts a formal η1,η5 coordination to the two metal centers. The bonding situation in these bridged dimers is dominated by a covalent Ge−Ge interaction that results, for example, in a strong antiferromagnetic coupling of the d1 Ti centers. [ABSTRACT FROM AUTHOR]

Published
2018
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