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Carceroisomerism and twistomerism in C-4v tetraoxatetrathiahemicarceplexes SCIE SCOPUS
- Title
- Carceroisomerism and twistomerism in C-4v tetraoxatetrathiahemicarceplexes
- Date Issued
- 1999-12-10
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Abstract
- Four new C-4v tetraoxatetrathiahemicarceplexes were synthesized and characterized. Their carceroisomers and half-twistomers were simultaneously observed by H-1 NMR spectra at low temperature. The largest isomerization energy barrier of carceroisomers was 15.5 kcal mol(-1) and the isomerization energy barriers of twistomers are significantly larger than those of carceroisomers. (C) 1999 Elsevier Science Ltd. All rights reserved.
- Keywords
- resorcin[4]arenes; carcerand; hemicarcerand; carceroisomer; half-twistomer; CARCEPLEXES
- ISSN
- 0040-4039
- Article Type
- Article
- Citation
- TETRAHEDRON LETTERS, vol. 40, no. 50, page. 8905 - 8909, 1999-12-10
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