𝔖 Bobbio Scriptorium
✦   LIBER   ✦

2-(3,7-Dimethyl­octa-2,6-dien­yl)-1,3,5,8-tetra­hydroxyxanthone

✍ Scribed by Choudhary, M. Iqbal ;Swaleh, Rasheeda ;Anjum, Shazia ;Lannang, Alain Meli ;Ali, Shamsher ;Fun, Hoong-Kun


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

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


5,6-Dihydr­oxy-1,2,3,13-tetra­meth­oxy-6
✍ 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.

3,3,6,6-Tetra­methyl-9-(2-oxo-1,2-dihydr
✍ Selvanayagam, S. ;Paul, Jasmin ;Velmurugan, D. ;Ravikumar, K. ;Rathna Durga, R. 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 296 KB

In the title compound, C 26 H 27 NO 4 , the central ring of the xanthene moiety is planar and the two outer rings are in halfboat conformations. The molecular packing in the crystal structure is stabilized by N-HÁ Á ÁO and C-HÁ Á ÁO hydrogen bonds in addition to van der Waals forces.

trans-1,2-Difluoro-3,4,5,6,7,8-hexapheny
✍ Chopra, Deepak ;K. Nagarajan, ;Roberts, J. D. ;Guru Row, T. N. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 673 KB

In order to investigate and probe the possible mechanism of rearrangement of trans-hexaphenyldifluorotricyclooctadiene, (a dimer of fluorotriphenylcyclobutadiene), to pentaphenyldihydrodifluoropentalene via C-F bond migration (Choudhury et al.,2007), a high temperature study of the title compound wa