Crystal and molecular structure of 4-p-hydroxyphenyl-2,2,4-trimethylthiachroman-1,1-dioxide |
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| Authors: | C. S. Frampton D. D. MacNicol P. R. Mallinson J. D. White |
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| Affiliation: | (1) Chemistry Department, University of Glasgow, G12 8QQ Glasgow, UK |
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| Abstract: | The title compound1 crystallizes as colorless polyhedra in the monoclinic polar space groupCc, witha=8.107(2),b=21.577(3),c=9.542(2)Å, =103.58(2)°, by contrast with its thioether precursor3, crystals of which have the trigonal space groupR¯3. The structure comprises infinite chains of molecules linked head-to-tail by S=O HO hydrogen bonds of length 2.723(2)Å, with HO contact 1.97(4)Å and O-HO 177(3)°; HÔ=S 146(1)°. |
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