The Redox Properties of Germylenes Based on Alkyl- and Aryl-Substituted Diethylenetriamines

The Redox Properties of Germylenes Based on Alkyl- and Aryl-Substituted Diethylenetriamines Full article

Journal

Organometallics
ISSN: 1520-6041 , E-ISSN: 0276-7333

Output data

Year: 2025, Volume: 44, Number: 22, Pages: 2663-2670 Pages count : 8 DOI: 10.1021/acs.organomet.5c00324

Authors

Agaeva Milana U. ^1,2 , Mankaev Badma N. ^1,2 , Serova Valeriia A. ^1,2 , Lyssenko Konstantin A. ¹ , Syroeshkin Mikhail A. ² , Zabalov Maxim V. ³ , Churakov Andrei V. ⁴ , Oprunenko Yuri F. ¹ , Egorov Mikhail P. ² , Karlov Sergey S. ^1,2

Affiliations

1	Chemistry Department, Lomonosov Moscow State University, Leninskye Gory 1, 119991 Moscow, Russia
2	N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
3	N. N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia
4	Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia

In this work, a series of novel germylenes, RN(CH2CH2NR’)2Ge R′ = Ph, R = Et (1); R′ = Ph, R = Bn (2); R′ = Ph, R = t-Bu (3); R′ = R = Ph (4); R′ = Bn, R = Et (5); R′ = Bn, R = Bn (6); R′ = Et, R = Et (7); R′ = Et, R = Bn (8), based on 1,4,7-triazaheptanes have been obtained. The compositions and structures of the novel compounds were established by elemental analysis and 1H and 13C NMR in the solid state by X-ray diffraction analysis (1–4), and it has been shown that germylenes are monomeric. The redox properties of compounds 1–4 and previously obtained germylene 10 (R′ = C6F5, R = Bn) in acetonitrile were studied by cyclic voltammetry (CV), and their optoelectronic properties were studied by UV–vis absorption spectroscopy. The easily oxidizing properties of the presented germylenes have been determined. An analysis of frontier molecular orbitals was carried out for compounds 1–8, 10 (R′ = C6F5, R = Bn), 11 (R′ = C6F5, R = Me), and Lappert’s germylene, Ge[N(SiMe3)2]2. It has been established that the nature of the substituents on the nitrogen atoms covalently bonded to the germanium atom has a significant effect on the energy of the frontier molecular orbitals.

Agaeva M.U. , Mankaev B.N. , Serova V.A. , Lyssenko K.A. , Syroeshkin M.A. , Zabalov M.V. , Churakov A.V. , Oprunenko Y.F. , Egorov M.P. , Karlov S.S.
The Redox Properties of Germylenes Based on Alkyl- and Aryl-Substituted Diethylenetriamines
Organometallics. 2025. V.44. N22. P.2663-2670. DOI: 10.1021/acs.organomet.5c00324 WOS Scopus OpenAlex

Web of science:	WOS:001614176800001
Scopus:	2-s2.0-105022615358
OpenAlex:	W7105604458

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