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The pyran ring adopts a distorted sofa conformation in the title compounds, 6-methyl-3-phenylthiochroman-4-one (C16H14O2S), (I), and 6-methoxy-3-phenylthiochroman-4-one (C16H14O3S), (II). The S atom substituted at the third position is attached equatorially in (II) and axially in (I). High-resolution proton NMR studies could not provide a conclusive explanation for this feature.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks I, II, global

sft

Structure factor file (SHELXL table format)
Supplementary material

sft

Structure factor file (SHELXL table format)
Supplementary material

CCDC references: 129011; 129012

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