Darstellung und Charakterisierung der vier isomeren [2.2](2,5)Pyridinophane
The Hofmann-l,6-elimination reaction of 2-methyl-picolinyl(5)-trimethylammonium hydroxide led to a mixture of isomeric [2.2](2,5)pyridinophanes in good yield. All four possible isomeres are separated by gas chromatography in pure state. The 1H-NMR spectra of [2.2](2,5)pyridinophanes show pseudo-gem...
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| Main Authors: | , |
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| Format: | Article |
| Language: | deu |
| Published: |
Swiss Chemical Society
1971-09-01
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| Series: | CHIMIA |
| Online Access: | https://www.chimia.ch/chimia/article/view/8936 |
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| Summary: | The Hofmann-l,6-elimination reaction of 2-methyl-picolinyl(5)-trimethylammonium hydroxide led to a mixture of isomeric [2.2](2,5)pyridinophanes in good yield. All four possible isomeres are separated by gas chromatography in pure state. The 1H-NMR spectra of [2.2](2,5)pyridinophanes show pseudo-geminal and pseudo-ortho downfield shifts.
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| ISSN: | 0009-4293 2673-2424 |