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1,3′,7,7-Tetra­methyl­spiro­[bicyclo­[2.2.1]heptane-2,2′-thiol­ane] 1′,1′-dioxide

✍ Scribed by Huang, Kun ;Li, Yi-Zhi ;Zhao, Sen-Zhi ;Li, Xin-Liang ;Huang, Zhi-Zhen

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
222 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C 14 H 24 O 2 S, the tetrahydrothiophene ring adopts a half-chair conformation. C-HÁ Á ÁO hydrogen bonds link the molecules into a ribbon-like structure along the a axis.

📜 SIMILAR VOLUMES

1,1′-Ureylenedi-7,7-dimethylbicyclo[2.2.
1,1′-Ureylenedi-7,7-dimethylbicyclo[2.2.1]heptan-2-one
✍ Gao, Yu-Xing ;Liu, Peng ;Fang, Yi-Xin ;Tang, Guo ;Zhao, Yu-Fen 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 774 KB

The title compound, C 19 H 28 N 2 O 3 , was obtained by the acidic hydrolysis of (1S,4R)-1-isocyanato-7,7-dimethylbicyclo[2.2.1]heptan-2-one followed by addition of aqueous sodium hydroxide. N-HÁ Á ÁO hydrogen bonds link the molecules into chains running along the a axis.

Pyrolyse du Diméthylidène-2, 3-oxa-7-bic
Pyrolyse du Diméthylidène-2, 3-oxa-7-bicyclo[2.2.1]heptane
✍ Pierre Vogel; Michèle Hardy 📂 Article 📅 1974 🏛 John Wiley and Sons 🌐 German ⚖ 255 KB

## Abstract Benzocyclobutene **10** and 3‐oxabicyclo [3.2.0]hepta‐1, 4‐diene **11** are formed by gas‐phase pyrolysis of the title compound **9**. The results are discussed with reference to the estimated reaction parameters. It is found that the activation due to oxygen in **9** is relatively weak

(1R,4R)-1-(Hydroxy­diphenyl­meth­yl)-7,7
(1R,4R)-1-(Hydroxy­diphenyl­meth­yl)-7,7-dimethyl­bicyclo­[2.2.1]heptan-2-one
✍ Gao, Yu-Xing ;Tang, Guo ;Zhao, Yu-Fen 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 157 KB

The title compound, C 22 H 24 O 2 , has been obtained by a Grignard reaction of (1S,4R)-methyl 7,7-dimethyl-2-oxobicyclo[2.2.1]heptane-1-carboxylate with phenylmagnesium bromide. Intramolecular hydrogen bonding is observed between the carbonyl group and the hydroxy group.