Parvez, M. ; Yadav, V. K. ; Senthil, G. (2001) Johnson orthoester Claisen rearrangement products of some (1-oxa-4-thiaspiro[4.5]dec-6-en-6-yl)alkanols Acta Crystallographica Section C, 57 . pp. 79-81. ISSN 0108-2701
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Official URL: http://scripts.iucr.org/cgi-bin/paper?da1149
Related URL: http://dx.doi.org/10.1107/S0108270100013603
Abstract
The crystal structures of two 1-oxa-4-thiaspiro[4.5]decane derivatives, ethyl 6-benzylidene-1-oxa-4-thiaspiro[4.5]decane-7-acetate, C19H24O3S, and (6-ethylidene-1-oxa-4-thiaspiro[4.5]decan-7-yl)ethyl 4-bromobenzoate, C19H23BrO3S, obtained under Johnson orthoester Claisen rearrangement conditions, exhibit different olefin geometry. Both structures are composed of independent molecules separated by normal van der Waals distances. The S-Csp3 bond distances are significantly different from each other, as has been observed in similar structures; the remaining molecular dimensions are as expected.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to International Union of Crystallography. |
| ID Code: | 58234 |
| Deposited On: | 31 Aug 2011 06:53 |
| Last Modified: | 31 Aug 2011 06:53 |
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