Double 1,2-Carbon Migration at Mixed Heavier Sn=Ge Vinylidenes
© 2024 Wiley‐VCH GmbH..
1,2-migration is one recurring isomerization reaction in organic chemistry. In contrast, double 1,2-migration remains rare and limited to transition-metal complexes. Herein, we describe the synthesis, characterization and reactivity of mixed heavier Sn=Ge vinylidenes. Double 1,2-carbon migration enables the isomerization of the stannagermenylidene (3) to the germastannenylidene (4). X-ray diffraction analysis and DFT calculations revealed that 3 and 4 feature a Sn=Ge double bond. The reaction of 3 with IMe4 (1,3,4,5-tetramethylimidazoline-2-ylidene) results in the electron redistribution in the Sn=Ge core to give the germylone-stannylene adduct (5). Moreover, treatment of 3 with 0.25 equiv. of (AlCp*)4 produces the heteronuclear aluminyl stannagermyne (6).
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:63 |
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| Enthalten in: |
Angewandte Chemie (International ed. in English) - 63(2024), 16 vom: 15. Apr., Seite e202401570 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Qiao, Zihao [VerfasserIn] |
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| Links: |
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| Themen: |
1,2-migration |
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| Anmerkungen: |
Date Revised 09.04.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/anie.202401570 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM368706052 |
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| 520 | |a 1,2-migration is one recurring isomerization reaction in organic chemistry. In contrast, double 1,2-migration remains rare and limited to transition-metal complexes. Herein, we describe the synthesis, characterization and reactivity of mixed heavier Sn=Ge vinylidenes. Double 1,2-carbon migration enables the isomerization of the stannagermenylidene (3) to the germastannenylidene (4). X-ray diffraction analysis and DFT calculations revealed that 3 and 4 feature a Sn=Ge double bond. The reaction of 3 with IMe4 (1,3,4,5-tetramethylimidazoline-2-ylidene) results in the electron redistribution in the Sn=Ge core to give the germylone-stannylene adduct (5). Moreover, treatment of 3 with 0.25 equiv. of (AlCp*)4 produces the heteronuclear aluminyl stannagermyne (6) | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Chen, Ming |e verfasserin |4 aut | |
| 700 | 1 | |a Cao, Fanshu |e verfasserin |4 aut | |
| 700 | 1 | |a Mo, Zhenbo |e verfasserin |4 aut | |
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