(RhCp)-Cp-(III)* and (IrCp)-Cp-(III)* Complexes of 1-[(4-Methyl)phenyl]-3-[(2-methyl-4 '-R)imidazol-1-yl]triazenide (R = t-Bu or H): Synthesis, Structure, and Catalytic Activity

Camarena-Diaz Juan P.; Iglesias Ana L.; Chavez Daniel; Aguirre Gerardo; Grotjahn Douglas B.; Rheingold Arnold L.; Parra-Hake Miguel; Miranda-Soto Valentin

首页> 外文期刊>Organometallics >(RhCp)-Cp-(III)* and (IrCp)-Cp-(III)* Complexes of 1-[(4-Methyl)phenyl]-3-[(2-methyl-4 '-R)imidazol-1-yl]triazenide (R = t-Bu or H): Synthesis, Structure, and Catalytic Activity

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(RhCp)-Cp-(III)* and (IrCp)-Cp-(III)* Complexes of 1-[(4-Methyl)phenyl]-3-[(2-methyl-4 '-R)imidazol-1-yl]triazenide (R = t-Bu or H): Synthesis, Structure, and Catalytic Activity

机译：（RHCP）-CP-（III）*和（IRCP）-CP-（III）*络合物为1 - [（4-甲基）苯基] -3 - [（2-甲基-4'-R）咪唑-1 - 基Zenide（R = T-BU或H）：合成，结构和催化活性

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A series of iridium and rhodium complexes have been synthesized using as ligand a triazenide monofunctionalized with an imidazole substituent. Steric hindrance at the imidazole moiety induced differences in the coordination modes as well in the catalytic behavior of complexes 4-7. Complexes 4-7 were tested in the transfer hydrogenation of acetophenone and 5-alken-2-ones. The hydrogenation of either the double bond or the carbonyl group in 5-alken-2-ones, showed to be selective in the presence of 6, 7, and 10 and has a dependence on the presence or absence of base. Control experiments point out that the imidazole moiety in the structure of complexes 4-7 speeds-up the catalysis.

机译：使用与用咪唑取代基单官能化的配体A三缩氧化物合成一系列铱和铑配合物。咪唑部分的空间障碍诱导配合模式的差异在复合物4-7的催化行为中。在苯乙酮和5-烯烃-2-α的转移氢化中测试复合物4-7。在5-烷烃-2-羰基中的双键或羰基的氢化，在6,7和10的存在下选择是选择性的，并且具有对碱的存在或不存在的依赖性。对照实验指出，咪唑部分在复合物结构中的结构4-7的催化速度加速。

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来源
《Organometallics》 |2019年第4期|共8页
作者
Camarena-Diaz Juan P.; Iglesias Ana L.; Chavez Daniel; Aguirre Gerardo; Grotjahn Douglas B.; Rheingold Arnold L.; Parra-Hake Miguel; Miranda-Soto Valentin;
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作者单位

Tecnol Nacl Mexico Inst Tecnol Tijuana Ctr Grad &

Invest Quim Tijuana 22000 Baja California Mexico;

Univ Autonoma Baja California Escuela Ciencias Ingn &

Tecnol Tijuana 21100 Baja California Mexico;

Tecnol Nacl Mexico Inst Tecnol Tijuana Ctr Grad &

Invest Quim Tijuana 22000 Baja California Mexico;

Tecnol Nacl Mexico Inst Tecnol Tijuana Ctr Grad &

Invest Quim Tijuana 22000 Baja California Mexico;

San Diego State Univ Dept Chem &

Biochem 5500 Campanile Dr San Diego CA 92182 USA;

Univ Calif San Diego Dept Chem &

Biochem La Jolla CA 92093 USA;

Tecnol Nacl Mexico Inst Tecnol Tijuana Ctr Grad &

Invest Quim Tijuana 22000 Baja California Mexico;

Tecnol Nacl Mexico Inst Tecnol Tijuana Ctr Grad &

Invest Quim Tijuana 22000 Baja California Mexico;

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正文语种 eng
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(RhCp)-Cp-(III)* and (IrCp)-Cp-(III)* Complexes of 1-[(4-Methyl)phenyl]-3-[(2-methyl-4 '-R)imidazol-1-yl]triazenide (R = t-Bu or H): Synthesis, Structure, and Catalytic Activity

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