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rel-(1R,4R,5S)-5-hydroxy-3-oxo-2-azabicyclo[2.2.0]hexane, a stable synthetic equivalent of 4-(2-oxoethyl)azetidin-2-one

✍ Scribed by Nobuya Katagiri; Masayuki Sato; Toshihiko Naito; Makoto Muto; Toshiyuki Sakamoto; Satoshi Saikawa; Chikara Kaneko

Book ID
104242596
Publisher
Elsevier Science
Year
1984
Tongue
French
Weight
251 KB
Volume
25
Category
Article
ISSN
0040-4039

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(+)-(1S,2S,3S,4R,5R)-1-Ammonio-5-hydroxy
(+)-(1S,2S,3S,4R,5R)-1-Ammonio-5-hydroxy­methyl­cyclo­hexane-2,3,4-triol chloride
✍ Chang, Hongjie ;Zhu, Jiarong ;Feng, Xiaolong ;Xu, Huaidong 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 453 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.005 A Ê Disorder in main residue R factor = 0.047 wR factor = 0.124 Data-to-parameter ratio = 15.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

(1S,2R,2′S,3′aS,5R)-2′-[(1R)-1-Hydroxy­e
(1S,2R,2′S,3′aS,5R)-2′-[(1R)-1-Hydroxy­ethyl]-2-isopropyl-5,5′-dimethyl-3′,3′a-dihydro-2′H-spiro­[cyclo­hexane-1,6′-imidazo[1,5-b]isoxazol]-4′(5′H)-one
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Cycloaddition of a (−)-menthone-derived nitrone to racemic but-3-en-2-ol led to two spirobicyclic heterocycles, with opposite configurations at the C atom attached to the OH group. This paper describes the __S__ epimer of the 1-hydroxyethyl substituent in imidazoisoxazole C~17~H~30~N~2~O~3~, (I). Th

(1S,2R,2′S,3′aS,5R)-2′-[(1S)-1-Hydroxy­e
(1S,2R,2′S,3′aS,5R)-2′-[(1S)-1-Hydroxy­ethyl]-2-isopropyl-5,5′-dimethyl-3′,3′a-dihydro-2′H-spiro­[cyclo­hexane-1,6′-imidazo[1,5-b]isoxazol]-4′(5′H)-one
✍ Aouadi, Kaiss ;Jeanneau, Erwann ;Praly, Jean-Pierre 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 349 KB

Cycloaddition of a (−)-menthone-derived nitrone to racemic but-3-en-2-ol led to two spirobicyclic heterocycles, with opposite configurations at the C atom attached to the OH group. This paper describes the __R__ epimer of the 1-hydroxyethyl substituent in imidazoisoxazole C~17~H~30~N~2~O~3~, (I). Th