Unexpected cyclization of dipyridyl-glycoluril in the presence of formaldehyde and strong acid: A new scaffold with a potential as an anion receptor
JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY, sa.3-4, ss.219-222, 2006 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Basım Tarihi: 2006
- Doi Numarası: 10.1007/s10847-005-9027-4
- Dergi Adı: JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Index Chemicus (IC), Current Chemical Reactions (CCR)
- Sayfa Sayıları: ss.219-222
- Ankara Üniversitesi Adresli: Hayır
Özet
In an attempted synthesis of peripherally pyridine-substituted cucurbituril, an unexpected cyclized product was obtained. A careful NMR analysis followed by mass spectrometry and preliminary crystallographic analyses, helped us in resolving the structure. The structure has two quaternized pyridine functionalities and a groove suitable as a potential receptor site. In addition, just like the parent glycoluril structure, two remaining urea-derived nitrogens can be alkylated by alkyl halides. Thus, we believe this high yielding reaction may become an entry point to a new class of anion receptors.