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(1S*,2S*,4S*)-3,3-Difluoro-2,4-dihydr­oxy-5,5-dimethyl­cyclo­oct-5(Z)-en-1-yl N,N-diethyl­carbamate

✍ Scribed by Fawcett, John ;Percy, Jonathan M ;Pintat, Stéphane ;Smith, Clive A ;Uneyama, Emi

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
160 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

The structure of the title compound, C 15 H 25 F 2 NO 4 , is reported and reveals a pseudorotational relationship between the ring conformation of this compound and that of an isomeric byproduct reported in the following paper.

📜 SIMILAR VOLUMES

(+)-(Z)-(1S,2S,3S,4R,1′S,2′S,3′S,4′R,5′R
(+)-(Z)-(1S,2S,3S,4R,1′S,2′S,3′S,4′R,5′R)-2,3,4-Trihydr­oxy-5-(hydroxy­meth­yl)-N-[2′,3′,4′-trihydr­oxy-5′-(hydroxy­meth­yl)cyclo­hex-1′-yl]cyclo­hex-5-en-1-aminium chloride dihydrate
✍ Chang, Hong-Jie ;Feng, Xiao-Long ;Zhu, Jia-Rong ;Ng, Seik Weng 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 204 KB

Cl À Á2H 2 O, both the cation and anion lie on special positions of site symmetry 2. The cation and anion, along with the water molecules of crystallization, are linked into a three-dimensional network by extensive hydrogen bonds.

(3′S,4R)-3-(3′-Cyclo­pentyl-3′-phenyl­pr
(3′S,4R)-3-(3′-Cyclo­pentyl-3′-phenyl­propano­yl)-5,5-dimethyl-4-phenyl-1,3-oxazolidin-2-one
✍ Nie, Lei ;Yang, Rui ;Chen, Jing ;Yan, Sheng-Jiao ;Lin, Jun 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 135 KB

The title compound, C 25 H 29 NO 3 , was prepared from (R)-5,5dimethyl-4-phenyl-3-[(E)-3-phenylacryloyl]oxazolidin-2-one, coupled with cyclopentylmagnesium bromide via asymmetric Michael addition. The relative configuration of the chiral C atoms of the product is as expected.