1966
DOI: 10.1002/prac.19660320504
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Notiz zur Synthese des 4,5‐Trimethylen‐imidazols

Abstract: Inhaltsubersicht a -A4minocyc~opentanon wurde such durch GABRIEL-SyntheSe aus Bromcyclopentanon und durch NEBER-Umhgerung des Cyclopentanonoxim-tosylesters erhalten. Cychierung mit Rhodanid fiihrte zum 2-Mercapto-4,5-trimethylen-imidazol, das mit RANEY-Nickel desulfuriert wurde. Die Arbeiten zum Ausbau einer homologen Reihe der 4,6-Polymethylenimidazole begannen 1938 mit der Synthese des Tetramethylenderivates (Tetrahydrobenzimidazol) durch R. WEIDENHAGEN 3). Einige mittlere und hohere Glieder wurden erst sehr… Show more

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Cited by 10 publications
(1 citation statement)
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“…The imidazole expected from the photoconversion is 4,5-trimethylene imidazole. Although this compound has been synthesized by a traditional organic method (Schubert et al, 1966) no uv absorption data have been reported. However, the new absorption band formed at 208nm is believed to belong to 4.5-trimethylene imidazole because alkyl groups introduced at any position of the imidazole ring produce only a small bathochromatic shift of the absorption band of imidazole to 207-208nm (Leandri et ul., 1955.…”
Section: -Aminocyclopentenementioning
confidence: 99%
“…The imidazole expected from the photoconversion is 4,5-trimethylene imidazole. Although this compound has been synthesized by a traditional organic method (Schubert et al, 1966) no uv absorption data have been reported. However, the new absorption band formed at 208nm is believed to belong to 4.5-trimethylene imidazole because alkyl groups introduced at any position of the imidazole ring produce only a small bathochromatic shift of the absorption band of imidazole to 207-208nm (Leandri et ul., 1955.…”
Section: -Aminocyclopentenementioning
confidence: 99%