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Bismuth Cations: Fluoride Ion Abstraction, Isocyanide Coordination, and Impact of Steric Bulk on Lewis Acidity
The molecular compound [BiDipp2(SbF6)], containing the bulky, donor-free bismuth cation [BiDipp2]+ has been synthesized and fully characterized (Dipp=2,6-iPr2-C6H3). Using its methyl analog [BiMe2(SbF6)] as a second reference point, the impact of steric bulk on bismuth-based Lewis acidity was invest...
সংরক্ষণ করুন:
| প্রধান লেখক: | , , , , , , , , |
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| বিন্যাস: | প্রবন্ধ |
| ভাষা: | ইংরেজি |
| প্রকাশিত: |
Philipps-Universität Marburg
2023
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| বিষয়গুলি: | |
| অনলাইন ব্যবহার করুন: | পিডিএফ এ সম্পূর্ন পাঠ |
| ট্যাগগুলো: |
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| সংক্ষিপ্ত: | The molecular compound [BiDipp2(SbF6)], containing the bulky, donor-free bismuth cation [BiDipp2]+ has been synthesized and fully characterized (Dipp=2,6-iPr2-C6H3). Using its methyl analog [BiMe2(SbF6)] as a second reference point, the impact of steric bulk on bismuth-based Lewis acidity was investigated in a combined experimental (Gutmann-Beckett and modified Gutmann-Beckett methods) and theoretical approach (DFT calculations). Reactivity studies of the bismuth cations towards [PF6]− and neutral Lewis bases such as isocyanides C≡NR’ revealed facile fluoride ion abstraction and straightforward Lewis pair formation, respectively. The first examples of compounds featuring bismuth-bound isocyanides have been isolated and fully characterized. |
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| দৈহিক বর্ননা: | 12 Seiten |
| ডিওআই: | 10.1002/chem.202204012 |