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access(4R)-Ethyl 4-(4-chlorophenyl)-2-hydroxy-5-oxo-2,3,4,5-tetrahydropyrano[3,2-c]chromene-2-carboxylate. Corrigendum
aState Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
*Correspondence e-mail: [email protected]
The in the title of the paper by Wang, Zhang, Xu & Zhang [Acta Cryst. (2010), E66, o217] is corrected.
In the paper by Wang et al. (2010)![[Wang, Y., Zhang, W., Xu, X. & Zhang, G. (2010). Acta Cryst. E66, o217.]](../../../../../../logos/arrows/e_arr.gif "Wang, Y., Zhang, W., Xu, X. & Zhang, G. (2010). Acta Cryst. E66, o217.")
, the chemical name given in the Title should be `(2R,4R)-Ethyl 4-(4-chlorophenyl)-2-hydroxy-5-oxo-2,3,4,5-tetrahydropyrano[3,2-c]chromene-2-carboxylate'. The absolute configuration was established by anomalous-dispersion effects in diffraction measurements on the crystal. The revised scheme is shown below.
![[Scheme 1]](zq9019scheme1.gif)
References
Wang, Y., Zhang, W., Xu, X. & Zhang, G. (2010). Acta Cryst. E66, o217. Web of Science CSD CrossRef IUCr Journals Google Scholar
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