Isolable p- and m-[(tBu2MeSi)2Si]2C6H4: Disilaquinodimethane vs Triplet Bis(silyl radical)
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https://figshare.com/articles/dataset/Isolable_i_p_i_and_i_m_i_sup_i_t_i_sup_Bu_sub_2_sub_MeSi_sub_2_sub_Si_sub_2_sub_C_sub_6_sub_H_sub_4_sub_Disilaquinodimethane_vs_Triplet_Bis_silyl_radical_/2661505
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Isomeric p- and m-disilaquinodimethanes 2 and 4 were synthesized by the reductive dehalogenation of the corresponding p- and m-bis(halosilyl)benzenes 1 and 3, respectively, and were isolated and structurally characterized. The X-ray diffraction and solid-state NMR studies of 2 revealed its singlet quinodimethane structure featuring two exocyclic SiC double bonds with some singlet biradical contribution. In contrast, the X-ray crystallography and EPR measurements of 4 disclosed its biradical nature, described as a triplet ground state bis(silyl radical).
创建时间：
2016-02-23
