Tetrahedron p. 797 - 804 (1992)
Update date:2022-08-03
Topics:
Nagasaki, Takeshi
Sisido, Koichi
Arimura, Takashi
Shinkai, Seiji
The conformer distribution of 5,11,17,23-tetrasulfonato-25,26,27,28-tetramethoxycalix<4>arene (1) and 5,11,17,23-tetrakis(trimethylammoniomethyl)-25,26,27,28-tetramethoxycalix<4>arene (2) was estimated in an aqueous system.Surprisingly, these calix<4>arenes adopt a 1,3-alternate conformation which has never been found as a major species in organic solvents but has been predicted to be most stable on the basis of computational studies.
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Doi:10.1007/s00044-012-0232-6
(2013)Doi:10.1016/j.ejmech.2018.03.079
(2018)Doi:10.3390/molecules19011302
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(1991)
