Synthesis of Molecular Gallium Hydrides by Means of Low‐Temperature Catalytic Dehydrogenation
作者:Daniel Rudolf、Golo Storch、Elisabeth Kaifer、Hans‐Jörg Himmel
DOI:10.1002/ejic.201200102
日期:2012.5
Low-temperature catalytic dehydrogenation of H3Ga·NMe3 and a bicyclic guanidine [1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine (hppH) or 1,5,7-triazabicyclo[4.3.0]non-6-ene (Htbn)] led to temperature-sensitive gallium hydrides H3Ga(tbn)·Htbn and [H2Ga(μ-hpp)]2. Both hydrides, which are stable only at low temperatures, were structurally characterized. A possible pathway and the role of the catalyst
H3Ga·NMe3 和双环胍 [1,3,4,6,7,8-六氢-2H-嘧啶并[1,2-a]嘧啶 (hppH) 或 1,5,7-三氮杂双环的低温催化脱氢[4.3.0]non-6-ene (Htbn)]导致温度敏感的氢化镓H3Ga(tbn)·Htbn和[H2Ga(μ-hpp)]2。仅在低温下稳定的两种氢化物在结构上都被表征。在核磁共振光谱实验和量子化学计算的基础上讨论了可能的途径和催化剂的作用。