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ChemInform Abstract: Calix-Tris-Troeger′s Bases — A New Cavitand Family

✍ Scribed by Martin Valik; Jan Cejka; Martin Havlik; Vladimir Kral; Bohumil Dolensky

Publisher
John Wiley and Sons
Year
2008
Weight
15 KB
Volume
39
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Calix[4]pyridine: A
ChemInform Abstract: Calix[4]pyridine: A New Arrival in the Heterocalixarene Family.
✍ V. KRAL; P. A. GALE; P. JUN. ANZENBACHER; K. JURSIKOVA; V. LYNCH; J. L. SESSLER 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 29 KB

A universal and easy method for the preparation of calixpyridinopyrroles, e.g. (I), and calixpyridines such as (II) proceeds by reaction of meso-octamethylcalix[4]pyrrole with dichlorocarbene via ring expansion of pyrrole. Isomers are present in the reaction mixture, since the intermediate dichloroc