The cyclohexyl ring of the title compound, C 20 H 25 NS 2 , has a chair conformation. The dihedral angle between the thiazole and phenyl rings is 89.70 (2) . The crystal structure involves two weak intramolecular C-HÁ Á ÁS hydrogen-bond contacts.
Tautomerism in thiazolethiones. Structure of 4-(3-nitrophenyl)thiazole-2(3H)-thione
✍ Scribed by Nalini, V. ;Desiraju, G. R.
- Book ID
- 118689826
- Publisher
- International Union of Crystallography
- Year
- 1989
- Tongue
- English
- Weight
- 355 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0108-2701
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In the title compound, C 18 H 23 NS 2 , the bond lengths and angles are unexceptional. The butyl chain is in a fully extended conformation. The dihedral angle between the thiazole and phenyl rings is 87.21 (2) . The crystal structure is stabilized by one weak intramolecular C-HÁ Á ÁS hydrogen bond.
In both cases, the isomer of type 8 shows the larger R, value (TLC,$30,)