3D model (JSmol)
|Molar mass||110.17 g·mol−1|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|
In organic chemistry, thiepine (or thiepin) is an unsaturated seven-membered heterocyclic compound, with six carbon atoms and one sulfur atom. The parent compound, C6H6S is unstable and is predicted to be antiaromatic. Bulky derivatives have been isolated and shown by X-ray crystallography to have nonplanar C6S ring.
Theoretical studies suggest that thiepine would eliminate a sulfur atom to form benzene. The intermediate is this process is the bicycle thianorcaradiene. In the complex with (η4-C6H6S)Fe(CO)3, the ring is stable.
- Schwan, A. L., "Thiepins" Science of Synthesis, 2004, volume 17, 705. doi:10.1055/sos-SD-017-01065
- Nishino, K.; Takagi, M.; Kawata, T.; Murata, I.; Inanaga, J.; Nakasuji, K., "Thiepine-iron tricarbonyl: stabilization of thermally labile parent thiepine by transition metal complexation", J. Am. Chem. Soc. 1991, volume 113, 5059-5060.
- Thiepins at the US National Library of Medicine Medical Subject Headings (MeSH)
- Benzothiepins at the US National Library of Medicine Medical Subject Headings (MeSH)
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