Synthesis, structure, and NMR characterization of a novel [3.3] metacyclophane
โ Scribed by Timothy J. Doyle; John Haseltine
- Book ID
- 112131054
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1994
- Tongue
- English
- Weight
- 321 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0022-152X
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
metacyclophane 4 is thefirstofitskind to erystatlize with both bridges in the pseudo-boafconformation. Anumber ofotberunusual features arealso apparent in the crystal structure,noneofwhich arepredicted byAMlorabiniriocatcntations. 01997 Elsevier Science Ltd. 2,1l-Dithia[3.3]metacyclophanes areprom
## Abstract Hydroxy[3.1.1]metacyclophane 4c, which is regarded as an unsymmetric or uncomplete โhomocalixareneโ bearing a propane bridge, has been synthesized using NafionโH catalyzed cyclobenzylation. A novel โpendulumโ type motion steered by intramolecular hydrogen bonding has been observed Demet
## Abstract Synthesis and Xโray structural analysis of __anti__โ[3.3]metacyclophaneโ2,11โdione quinhydrone dimethyl ether (3) are described. The formation of __anti__โ3 starting from __syn__โ9 may be ascribed to the __synโanti__ isomerization of the __syn__โquinhydrone 17 according to a benzoquinon