Michael addition of amines to sterically crowded ortho-benzoquinone completed with unprecedented 1,2-shift of a tert-butyl group
A strong electron-withdrawing nitro group introduced into the 6-position of 3,5-di-(tert-butyl)-1,2-benzoquinone provides for activation of the sterically blocked Michael addition reaction channel. Addition of amines to the quinone is followed by a concerted 1,2-migration of a tert-butyl group to af...
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| Médium: | Статья |
| Jazyk: | English |
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Elsevier Ltd
2021
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| On-line přístup: | https://dspace.ncfu.ru/handle/20.500.12258/14784 |
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