A cyclic (alkyl)(boryl)germylene derived from a cyclic (alkyl)(amino)germylene
A cyclic (alkyl)(amino)germylene undergoes a ring expansion reaction with dibromomesitylborane (MesBBr2 ) to afford a six-membered dibromogermane derivative. In the presence of Lewis bases (PMe3 or Me NHC), reduction of the latter with two equivalents of potassium graphite (KC8 ) gives rise to cycli...
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| Main Authors: | , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2021
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| 在線閱讀: | https://hdl.handle.net/10356/146214 |
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| 機構: | Nanyang Technological University |
| 語言: | English |
| 總結: | A cyclic (alkyl)(amino)germylene undergoes a ring expansion reaction with dibromomesitylborane (MesBBr2 ) to afford a six-membered dibromogermane derivative. In the presence of Lewis bases (PMe3 or Me NHC), reduction of the latter with two equivalents of potassium graphite (KC8 ) gives rise to cyclic (alkyl)(boryl)germylene-Lewis base adducts. Upon heating, the germylene-PMe3 adduct reacts with H2 to yield a germane, probably via a base-free germylene featuring a small HOMO-LUMO gap. |
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