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(3S,8S)-3,8-Diisopropyl-1,6-dioxa-4,9-diaza-5λ5-phosphaspiro­[4.4]nonane-2,7-dione

✍ Scribed by Cao, Shu-Xia ;Liu, Jin-Ming ;Xie, Ya-Li ;Liao, Xin-Cheng ;Zhao, Yu-Fen

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

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✦ Synopsis

Single-crystal X-ray study T = 291 K Mean (C-C) = 0.006 A R factor = 0.053 wR factor = 0.136 Data-to-parameter ratio = 15.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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(3S,8S)-3,8-Di­methyl-1,6-dioxa-4,9-di­a
(3S,8S)-3,8-Di­methyl-1,6-dioxa-4,9-di­aza-5λ5-phospha­spiro­[4.4]­nonane-2,7-dione
✍ Yu, Lin ;Liu, Zhao ;Fang, Hua ;Zhao, Yu-Fen 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 252 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.009 A Ê R factor = 0.068 wR factor = 0.198 Data-to-parameter ratio = 9.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

(2R,4S,7R,9S)-5,6-Diisopropyl-1,10-dimet
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✍ Poonoth, Manojkumar ;Schürmann, Markus ;Preut, Hans ;Krause, Norbert 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 363 KB

The molecule of the title compound, C~20~H~34~O~4~, is centrosymmetric. In the crystal structure, a network of O—H...O hydrogen bonds result in each molecule being linked to four neighbouring molecules and a two-dimensional net is formed.