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(5R,6S)-6-Methyl-5-(phenylsulfonylacetyl)bicyclo[2.2.1]hept-2-ene

✍ Scribed by Pei, Wen ;Wang, Yongjiang ;Sun, Mengzhan ;Xiong, Xiaobo ;Yu, Changquan

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
136 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C 16 H 18 O 3 S, an endo-cycloadduct isomer, was obtained from the Diels-Alder reaction of (E)-1-(phenylsulfonyl)pent-3-en-2-one with cyclopentadiene catalysed by a chiral titanium reagent. The crystal structure confirms the absolute streochemistry.

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(5SR,6RS)-6-Phenyl-5-(phenyl­sulfonylace
(5SR,6RS)-6-Phenyl-5-(phenyl­sulfonylacetyl)­bi­cyclo­[2.2.1]­hept-2-ene
✍ Pei, Wen ;Shao, Yueshui ;Sun, Li 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 140 KB

Single-crystal X-ray study T = 297 K Mean '(C±C) = 0.003 A Ê R factor = 0.039 wR factor = 0.103 Data-to-parameter ratio = 10.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

5-endo,6-endo-Bis(acetoxy­meth­yl)bicycl
5-endo,6-endo-Bis(acetoxy­meth­yl)bicyclo­[2.2.1]hept-2-ene
✍ Sun, Li-Li ;Li, Chun-Bao ;Chen, Hui-Ming 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 103 KB

The structure of the title compound (I) C 13 H 18 O 4 contains three rings in a bicyclo[2.2.1] system (two five-membered rings and one six-membered ring).