A Schrock-Type Germylene Complex: (η5‑C5H4Et)2(PMe3)HfGe(SiMetBu2)2

Figshare2016-02-13 更新2026-04-29 收录

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https://figshare.com/articles/dataset/A_Schrock_Type_Germylene_Complex_sup_5_sup_C_sub_5_sub_H_sub_4_sub_Et_sub_2_sub_PMe_sub_3_sub_Hf_Ge_SiMe_sup_t_sup_Bu_sub_2_sub_sub_2_sub_/2160409

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The stable group 4 metal germylene complex (η5-C5H4Et)2(PMe3)HfGe(SiMetBu2)2 (2) is readily available by the reaction of the 1,1-dilithiogermane (tBu2MeSi)2GeLi2 with (η5-C5H4Et)2HfCl2 in toluene at −50 °C, followed by treatment with trimethylphosphine. The hafnium–germanium bond distance of 2.6705(5) Å in 2 is indicative of its double-bond character, being ca. 3–7% shorter than the usual Hf–Ge single bonds. The novel hafnium germylene derivative is classified as a Schrock-type complex, featuring a negatively polarized nucleophilic germanium center.

创建时间：

2016-02-13