Crystal and molecular structure of two calix[6]arenes:p-Isopropylcalix[6]arene andp-tert-butylcalix[6]arene—benzene(1∶3) complex
✍ Scribed by M. Halit; D. Oehler; M. Perrin; A. Thozet; R. Perrin; J. Vicens; M. Bourakhouadar
- Publisher
- Springer Netherlands
- Year
- 1988
- Tongue
- English
- Weight
- 498 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0923-0750
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Ortho-tert-butylcalixarenes 3, 4 and 5 with exo-hydroxy groups were synthesised by tin tetrachloride-promoted condensation of 2,2"-dihydroxy-3,3"-di-tert-butyldiphenylmethane 6 with formaldehyde. While tH NMR analysis of compounds 3, 4 and 5 revealed a considerable annular flexibility in CDCI3 solut