[2]Paracyclo[2](2,5)pyridinophan
The synthesis of [2]paracyclo [2](2,5)pyridinophane by a “cross-breeding” Hofmann-1,6-elimination reaction from a mixture of 4-methyl-benzyl-trimethylammonium hydroxide and 5-methyl-picolinyl(2)-trimethylammonium hydroxide is described. The 1H-NMR spectrum of [2]paracyclo [2](2,5)-pyridinophane sho...
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| Main Authors: | , |
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| Format: | Article |
| Language: | deu |
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Swiss Chemical Society
1972-08-01
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| Series: | CHIMIA |
| Online Access: | https://www.chimia.ch/chimia/article/view/9026 |
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| _version_ | 1850170437995069440 |
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| author | J. Bruhin W. Jenny |
| author_facet | J. Bruhin W. Jenny |
| author_sort | J. Bruhin |
| collection | DOAJ |
| description |
The synthesis of [2]paracyclo [2](2,5)pyridinophane by a “cross-breeding” Hofmann-1,6-elimination reaction from a mixture of 4-methyl-benzyl-trimethylammonium hydroxide and 5-methyl-picolinyl(2)-trimethylammonium hydroxide is described. The 1H-NMR spectrum of [2]paracyclo [2](2,5)-pyridinophane shows for the benzene ring remarkable pseudo-geminal and pseudo-ortho downfield shifts caused by transannular influence of the pyridine N-atom.
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| format | Article |
| id | doaj-art-34dfb66169774e48aadfa7de5923aa08 |
| institution | OA Journals |
| issn | 0009-4293 2673-2424 |
| language | deu |
| publishDate | 1972-08-01 |
| publisher | Swiss Chemical Society |
| record_format | Article |
| series | CHIMIA |
| spelling | doaj-art-34dfb66169774e48aadfa7de5923aa082025-08-20T02:20:29ZdeuSwiss Chemical SocietyCHIMIA0009-42932673-24241972-08-0126810.2533/chimia.1972.420[2]Paracyclo[2](2,5)pyridinophanJ. Bruhin0W. Jenny1Institut für organische Chemie der Universität Bern und Ciba-Geigy ag, Basel, Forschungslaboratorien der Division FarbstoffeInstitut für organische Chemie der Universität Bern und Ciba-Geigy ag, Basel, Forschungslaboratorien der Division Farbstoffe The synthesis of [2]paracyclo [2](2,5)pyridinophane by a “cross-breeding” Hofmann-1,6-elimination reaction from a mixture of 4-methyl-benzyl-trimethylammonium hydroxide and 5-methyl-picolinyl(2)-trimethylammonium hydroxide is described. The 1H-NMR spectrum of [2]paracyclo [2](2,5)-pyridinophane shows for the benzene ring remarkable pseudo-geminal and pseudo-ortho downfield shifts caused by transannular influence of the pyridine N-atom. https://www.chimia.ch/chimia/article/view/9026 |
| spellingShingle | J. Bruhin W. Jenny [2]Paracyclo[2](2,5)pyridinophan CHIMIA |
| title | [2]Paracyclo[2](2,5)pyridinophan |
| title_full | [2]Paracyclo[2](2,5)pyridinophan |
| title_fullStr | [2]Paracyclo[2](2,5)pyridinophan |
| title_full_unstemmed | [2]Paracyclo[2](2,5)pyridinophan |
| title_short | [2]Paracyclo[2](2,5)pyridinophan |
| title_sort | 2 paracyclo 2 2 5 pyridinophan |
| url | https://www.chimia.ch/chimia/article/view/9026 |
| work_keys_str_mv | AT jbruhin 2paracyclo225pyridinophan AT wjenny 2paracyclo225pyridinophan |