Chinese Journal of Organic Chemistry >
Synthesis and Characterization of Ruthenium Germyl Complexes with Various Substituents
Received date: 2023-08-02
Revised date: 2023-09-14
Online published: 2023-09-21
Supported by
Guizhou Provincial Science and Technology Agency Project(No. Qian Ke He Basic-ZK[2021]General 041)
Reactions of dichlorogermyl ruthenium complexes (PPh3)(X)RuGeCl2ArTrip (X=H, 1; Cl, 2; ArTrip=C6H3-2- (η6-Trip)-6-Trip, Trip=2,4,6-iPr3-C6H3) with various reagents, including Grignard reagent, LiHBEt3 and Na/naphthalene were investigated, realizing the substituent modulation on Ge and Ru atoms. 1 reacted with EtMgBr forming (PPh3)HRu- GeBr2ArTrip (3) and (PPh3)HRuGeEt2ArTrip (4) depending on the reaction temperature. The reaction of 1 with LiHBEt3 also resulted in the formation of 4, where LiHBEt3 acted as ethyl transfer reagent instead of hydrogenation reagent. Additionally, 1 reacted with HBF4 afforded ionic product [(PPh3)H2RuGeCl2ArTrip][BF4] (5). On the other hand, reduction of 2 with Na/naphthalene produced dihydroxyl complex (PPh3)HRuGe(OH)2ArTrip (6), while the reaction with I2 underwent monoiodination on Ru with the formation of (PPh3)IRuGeCl2ArTrip (7). All compounds were fully characterized by heteronuclear NMR spectroscopy and single-crystal X-ray diffraction.
Key words： ruthenium; germylene; substitution; structure
Yan Tian , Rui Dong , Peng Nie , Bo Xu . Synthesis and Characterization of Ruthenium Germyl Complexes with Various Substituents[J]. Chinese Journal of Organic Chemistry, 2024 , 44(1) : 173 -179 . DOI: 10.6023/cjoc202308002
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