Rotation vs. immobilization controversy in calix[6]arenes. Is 5,11,17,23,29,35-Hexa-tert-butyl-37,39,41-trimethoxy-38,40,42-tris(tert-butoxycarbonylmethoxy)calix[6]arene really immobilized?

Otsuka Hideyuki; Araki Koji; Sakaki Toru; Nakashima Kazuaki; Shinkai Seiji

doi:10.1016/S0040-4039(00)79307-5

Rotation vs. immobilization controversy in calix[6]arenes. Is 5,11,17,23,29,35-Hexa-tert-butyl-37,39,41-trimethoxy-38,40,42-tris(tert-butoxycarbonylmethoxy)calix[6]arene really immobilized?

Otsuka Hideyuki, Araki Koji, Sakaki Toru, Nakashima Kazuaki, Shinkai Seiji

Institute for Advanced Study

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

¹H NMR spectral examinations revealed that the title compound, which was previously proposed to be conformationally-frozen, is not truly immobilized but the rate of the conformational change is just slower than that of the NMR time-scale.

Original language	English
Pages (from-to)	7275-7278
Number of pages	4
Journal	Tetrahedron Letters
Volume	34
Issue number	45
DOIs	https://doi.org/10.1016/S0040-4039(00)79307-5
Publication status	Published - Nov 5 1993

All Science Journal Classification (ASJC) codes

Biochemistry
Drug Discovery
Organic Chemistry

Access to Document

10.1016/S0040-4039(00)79307-5

Cite this

Rotation vs. immobilization controversy in calix[6]arenes. Is 5,11,17,23,29,35-Hexa-tert-butyl-37,39,41-trimethoxy-38,40,42-tris(tert-butoxycarbonylmethoxy)calix[6]arene really immobilized? / Hideyuki, Otsuka; Koji, Araki; Toru, Sakaki et al.
In: Tetrahedron Letters, Vol. 34, No. 45, 05.11.1993, p. 7275-7278.

Research output: Contribution to journal › Article › peer-review

@article{b4f202b3d9234b8798910498bd53837b,

title = "Rotation vs. immobilization controversy in calix[6]arenes. Is 5,11,17,23,29,35-Hexa-tert-butyl-37,39,41-trimethoxy-38,40,42-tris(tert-butoxycarbonylmethoxy)calix[6]arene really immobilized?",

abstract = "1H NMR spectral examinations revealed that the title compound, which was previously proposed to be conformationally-frozen, is not truly immobilized but the rate of the conformational change is just slower than that of the NMR time-scale.",

author = "Otsuka Hideyuki and Araki Koji and Sakaki Toru and Nakashima Kazuaki and Shinkai Seiji",

year = "1993",

month = nov,

day = "5",

doi = "10.1016/S0040-4039(00)79307-5",

language = "English",

volume = "34",

pages = "7275--7278",

journal = "Tetrahedron Letters",

issn = "0040-4039",