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tert-Butyl (7R)-7-[(4S)-2,2-di­methyl-[1,3]­dioxolan-4-yl]-1,4-dioxa-8-aza­spiro­[4.5]­decane-8-carboxyl­ate

✍ Scribed by Badorrey, Ramon ;Cativiela, Carlos ;Díaz-de-Villegas, Maria D. ;Gálvez, Jose A.

Publisher
International Union of Crystallography
Year
2002
Tongue
English
Weight
402 KB
Volume
58
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C 17 H 29 NO 6 , crystallizes with two molecules in the asymmetric unit. The independent molecules differ in the conformation of the side chain attached to nitrogen. The piperidine ring adopts a chair conformation, with the 1,3-dioxolane ring occupying an axial position.

📜 SIMILAR VOLUMES

(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.

(4R,9S)-4-Hydro­xy­methyl-3,8-dioxa-1,6-
(4R,9S)-4-Hydro­xy­methyl-3,8-dioxa-1,6-di­aza­spiro­[4.4]­nonane-2,7-di­thione monohydrate
✍ Cioci, Gianluca ;Leconte, Nicolas ;Tatibouët, Arnaud ;Rollin, Patrick ;Pérez, Se 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 342 KB

The title compound, C 6 H 8 N 2 O 3 S 2 ÁH 2 O, was synthesized from l-erythrulose and the structure of the enantiopure (4R,9S) diastereoisomer has been determined. The structure is a hydrate and the water molecules establish a hydrogen-bond network that involves the hydroxymethyl group as well as o

(1R,3R,4S)-8-Phenyl­menthyl (8S,9S)-8-fe
(1R,3R,4S)-8-Phenyl­menthyl (8S,9S)-8-ferrocenyl-6-methyl-1,4-di­thia-6-aza­spiro­[4,4]­nonane-9-carboxyl­ate
✍ García-Granda, Santiago ;Fernández-Rodríguez, Manuel A. ;Aguilar, Enrique ;Ferná 📂 Article 📅 2002 🏛 International Union of Crystallography 🌐 English ⚖ 214 KB

Single-crystal X-ray study T = 200 K Mean '(C±C) = 0.011 A Ê R factor = 0.054 wR factor = 0.142 Data-to-parameter ratio = 8.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.