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Title: Heterocyclophanes with 6-methyluracyl and hydantoin fragments. Ring contraction in 1,3-bis(5-bromopentyl)-5-nitrouracyl.
Authors: Semenov, V. E.; Giniyatullin, R. Kh.; Reznik, V. S.
Abstract: The article presents a study which examines the chemical reactions of uracyl cycle ring contraction with hydantoin and 6-methyluracyl heterocyclic fragments. It states that the 5-nitrouracyl ring formation which was converted in the study resulted in the hydantoin dibromide formation. It further notes that the uracyl concentration was filtered to the volume of 10-20 ml during the contraction. It concludes that nuclear magnetic resonance imaging (NMR) was also used in the study.
Subjects: CYCLOPHANES; NUCLEAR magnetic resonance spectroscopy; CHEMICAL reactions; RING formation (Chemistry); HETEROCYCLIC chemistry
Publication: Russian Journal of Organic Chemistry, 2010, Vol 46, Issue 2, p309
ISSN: 1070-4280
Publication type: Academic Journal
DOI: 10.1134/S1070428009020302

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Heterocyclophanes with 6-methyluracyl and hydantoin fragments. Ring contraction in 1,3-bis(5-bromopentyl)-5-nitrouracyl.