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(1R*,3S*,8S*)-2,2-Difluoro-3,8-dihydr­oxy-5,5-dimethyl­cyclo­oct-4(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
101 KB
Volume
61
Category
Article
ISSN
1600-5368

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📜 SIMILAR VOLUMES

(1S*,2S*,4S*)-3,3-Difluoro-2,4-dihydr­ox
(1S*,2S*,4S*)-3,3-Difluoro-2,4-dihydr­oxy-5,5-dimethyl­cyclo­oct-5(Z)-en-1-yl N,N-diethyl­carbamate
✍ Fawcett, John ;Percy, Jonathan M ;Pintat, Stéphane ;Smith, Clive A ;Uneyama, Emi 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 160 KB

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.

(+)-(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.

5,6-Dihydr­oxy-1,2,3,13-tetra­meth­oxy-6
5,6-Dihydr­oxy-1,2,3,13-tetra­meth­oxy-6,7-dimethyl-5,6,7,8-tetra­hydro­benzo[3,4]cyclo­octa­[1,2-f][1,3]­benzodioxol-5-yl benzoate sesquihydrate
✍ Xiong, Ying ;Gao, Wen-Yuan ;Deng, Ke-Zhong ;Chen, Hai-Xia ;Wang, Shu-Jun 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 204 KB

In the title compound, C 30 H 32 O 9 Á1.5H 2 O, the cyclooctadiene eight-membered ring adopts a twisted boat-chair conformation. O-HÁ Á ÁO hydrogen bonding helps to stabilize the crystal structure.

(1R*,5R*,7R*,8S*)-3-(3,4-Dihydroxy­benzo
(1R*,5R*,7R*,8S*)-3-(3,4-Dihydroxy­benzo­yl)-4-hydr­oxy-8-methyl-1,5,7-tris­(3-methyl-2-buten­yl)-8-(4-methyl-3-penten­yl)bicyclo­[3.3.1]non-3-ene-2,9-dione
✍ Ndjakou Lenta, Bruno ;Noungoue, Diderot Tchamo ;Devkota, Krishna Prasad ;Fokou, 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 304 KB

The title compound, C~38~H~50~O~6~, also known as guttiferone A, was isolated from the medicinal plant __Symphonia globulifera__. It is a benzophenone derivative where one aryl group is derivatized to give a bicyclic system which has two prenyl groups attached to the bridgehead. One of the cyclohexa