Dihydrogen Activation by Cobaloximes with Various Axial Ligands

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• 作者：Gang Li ; Deven P. Estes ; Jack R. Norton ; Serge Ruccolo ; Aaron Sattler ; Wesley Sattler
• 刊名：Inorganic Chemistry
• 出版年：2014
• 出版时间：October 6, 2014
• 年：2014
• 卷：53
• 期：19
• 页码：10743-10747
• 全文大小：385K
• ISSN：1520-510X

文摘

We have investigated the effect of axial ligands on the ability of cobaloximes to catalyze the generation of transferable hydrogen atoms from hydrogen gas and have learned that the active catalyst contains one and only one axial ligand. We have, for example, shown that Co(dmgBF₂)₂ coordinates only one Ph₃P and that the addition of additional Ph₃P (beyond 1 equiv) to solvated Co(dmgBF₂)₂ does not affect its catalytic turnover for H鈥?transfer from H₂.