Strontium Hydride Cations Supported by a Large NNNNN Type Macrocycle: Synthesis, Structure, and Hydrofunctionalization Catalysis
作者:Thomas Höllerhage、Thomas P. Spaniol、Ambre Carpentier、Laurent Maron、Jun Okuda
DOI:10.1021/acs.inorgchem.1c03894
日期:2022.2.21
(Me5PACP = 1,4,7,10,13-pentamethyl-1,4,7,10,13-pentaazacyclopentadecane) allowed the isolation of two cationic strontium hydride complexes by hydrogenolysis of benzyl precursors. Treatment of sparingly soluble [(Me5PACP)Sr(CH2Ph)2] with dihydrogen gave free Me5PACP, toluene, and oligomeric strontium hydride [SrH2]n, while hydrogenolysis in the presence of 1 equiv of the benzyl cation [(Me5PACP)Sr(CH2Ph)][B(C6H3-3
使用 15 元 NNNNN 大环配体 Me 5 PACP(Me 5 PACP = 1,4,7,10,13-pentamethyl-1,4,7,10,13-pentaazacyclopentadecane)允许分离两种阳离子氢化锶苄基前体的氢解络合物。用二氢处理微溶的 [(Me 5 PACP)Sr(CH 2 Ph) 2 ] 得到游离的 Me 5 PACP、甲苯和低聚氢化锶 [SrH 2 ] n,同时在 1 equiv 的苄基阳离子存在下进行氢解[(Me 5 PACP)Sr(CH 2 Ph)][B(C 6 H 3 -3,5-Me 2 ) 4]能够分离热不稳定的三氢化物阳离子[(Me 5 PACP) 2 Sr 2 (μ-H) 3 ][B(C 6 H 3 -3,5-Me 2 ) 4 ]。当苄基阳离子 [(Me 5 PACP)Sr(CH 2 Ph)][BAr 4 ] 2 (Ar = C 6 H 3 -3