Synthesis, Characterization, and Reaction of Digermylenes

• Published in: Chemistry, an Asian journal Vol. 17; no. 13; pp. e202200141 - n/a
• Main Authors: Huo, Shuai‐Cong, Li, Yao, Zhang, De‐Xiang, Zhou, Qi, Yang, Ying, Roesky, Herbert W.
• Format: Journal Article
• Language: English
• Published: Germany Wiley Subscription Services, Inc 01.07.2022; John Wiley and Sons Inc
• Subjects: Chemical analysis; Chemical synthesis; Chemistry; Diamines; Digermylene; Germanium; Germylene; Main group elements; Melting points; NMR spectroscopy; Nucleophilic addition; Selenium; Main group elements; Germanium; Germylene; Digermylene; Nucleophilic addition
• ISSN: 1861-4728; 1861-471X; 1861-471X
• DOI: 10.1002/asia.202200141

A series of digermylenes R(EGeL)2 (L=CH[C(Me)N(Ar)]2, Ar=2,6‐iPr2C6H3; E=O, R=1,3‐C6H4 (1), 1,4‐C6H4 (2), Me2C(CH2)2 (3); E=NH, R=1,4‐C6H4 (4), 1,4‐C6H10 (5); E=C(O)O, R=1,3‐C6H4 (6)) were synthesized by the reactions of L′Ge (L′=HC[C(CH2)N(Ar)]C(Me)N(Ar), Ar=2,6‐iPr2C6H3) with selected diphenols, diol, diamines, and o‐/m‐phthalic acids, respectively. Treatment of digermylene 1,3‐C6H4(OGeL)2 (1) with sulfur, selenium and CuX (X=Cl, Br, I) led to the formation of 1,3‐C6H4[OGe(S)L]2 (8), 1,3‐C6H4[OGe(Se)L]2 (9), and (CuX)2[1,3‐C6H4(OGeL)2]2 (X=Cl (10), Br (11), I (12)), respectively. The obtained products were characterized by melting point, elemental analysis, FT‐IR, 1H and 13C NMR spectroscopy, and single‐crystal X‐ray diffraction. A series of digermylenes R(EGeL)2 (L=CH[C(Me)N(Ar)]2, Ar=2,6‐iPr2C6H3; E=O, R=1,3‐C6H4 (1), 1,4‐C6H4 (2), Me2C(CH2)2 (3); E=NH, R=1,4‐C6H4 (4), 1,4‐C6H10, (5); E=C(O)O, R=1,3‐C6H4 (6)) were synthesized by the nucleophilic addition of diphenols, diol, diamines and dicarboxylic acids, respectively, with L′Ge (L′=HC[C(CH2)N(Ar)]C(Me)N(Ar), Ar=2,6‐iPr2C6H3). Treatment of the obtained digermylene 1,3‐C6H4(OGeL) (1) with sulfur, selenium, and CuX (X=Cl, Br, I, C6F6) is also explored.