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How is the 1,2-alternate conformer formed in tetra-O-alkylation of p-tert-butylcalix[4]arene?

✍ Scribed by Iwamoto, Koji; Araki, Koji; Shinkai, Seiji


Book ID
121467093
Publisher
Royal Society of Chemistry
Year
1991
Weight
269 KB
Volume
6
Category
Article
ISSN
1472-7781

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X-ray and NMR investigation of 25,27-dih
✍ Janusz Lipkowski; Myroslav Vysotsky; Joanna Slowikowska; Vitaly I. Kalchenko; Le πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 197 KB πŸ‘ 1 views

The crystal structure of 25,27-dihydroxy-26,28-bis(diethoxyphosphoryloxy)-tert-butylcalix[4]arene (1) (hexane solvate, 1:1) was determined by x-ray crystallography. The crystal data are P2 1 /n, a = 12.652(1) A ˚, b = 12.564(2) A ˚, c = 18.781(4) A ˚, b = 105.56(1)°, V = 2876.0(8) A ˚3, Z = 2. In th