合成,反应和复杂化与Fe ((0) 的一个紧咬 Bis (((N-异环烯) 的Fe ((0) 的合成,反应和复杂化
Zohreh Hendi1, Madhusudan K Pandey1, Katharina Rachuy1
1Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Göttingen, 37077, Germany.
Chemistry (Weinheim an der Bergstrasse, Germany)
|March 18, 2024
概括
研究人员合成了一种新的 bis ((N-异环烯) 联体,并探索了它的反应性. 它形成了一个独特的双核铁复合体,具有短铁-铁键,展示了新的协调化学.
科学领域:
- 有机金属化学 有机金属化学
- 化学 化学
- 协调化学 协调化学
背景情况:
- N-异环烯 (NHSi) 是协调化学中的多功能联体.
- 探索新的基于的配体可以导致新的反应性和复杂结构.
- 铁复合物在催化和材料科学中至关重要.
研究的目的:
- 为了合成和表征一种新型的紧咬 bis (((N-异环烯) 连接物 (1).
- 为了研究与N-H键激活的配体1的反应性.
- 为了探索配体1与铁(0) 前体的复杂化.
主要方法:
- 合成 bis ((N-异环烯) 连接物 1.
- 联结体1与p-toluidine和Fe ((CO) 5.5) 的反应
- 使用光谱法 (NMR,IR,质谱法) 和X射线衍射进行表征.
- 密度函数理论 (DFT) 计算用于电子结构分析.
主要成果:
- 合成 bis ((N-异环烯) 连接物 1.
- 通过N-H键激活,形成一个四个成员的环基素 (2) .
- 在一个 (N-Si-Fe-Fe-Si) 环中隔离和描述一个双核铁复合体 (3),具有短Fe-Fe键 (2.6892(13) Å).
- 化合物1-3的结构阐明通过X射线衍射证实.
结论:
- 新的 bis ((N-异环烯) 连接体表现出独特的反应性,包括N-H键激活.
- 形成具有短Fe-Fe键的双核铁复合体突出了新的协调可能性.
- DFT计算提供了对合成化合物的电子结构和结合的见解.
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