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Diethyl 4,4′-(butane-1,4-diyldioxy)dibenzoate

✍ Scribed by Hou, Li-Mei ;Kan, Yu-He


Book ID
104490421
Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
88 KB
Volume
63
Category
Article
ISSN
1600-5368

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6,6′-Di­chloro-3,3′-(butane-1,4-diyl­dio
✍ Thinagar, S. ;Velmurugan, D. ;Gupta, S. C. ;Merazig, H. ;Bouacida, S. 📂 Article 📅 2002 🏛 International Union of Crystallography 🌐 English ⚖ 183 KB

Molecules of the title compound, C 34 H 24 Cl 2 O 6 , lie across crystallographic inversion centres. The ¯avone moiety is slightly folded, with the benzene and dihydropyrone rings making a dihedral angle of 2.5 (2) . In the crystal, the molecules exist as cyclic intermolecular CÐHÁ Á ÁCl hydrogenbon

1,2-Dibenzo­yl-3,4-bis­(4-methoxy­phen­y
✍ Steyl, Gideon ;Hill, Tania ;Roodt, Andreas 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 225 KB

The title compound, C 32 H 28 O 4 , crystallizes with two conformers, and , in the asymmetric unit. In both conformers, the benzoyl and methoxyphenyl groups are in cis positions. The cyclobutane rings are puckered, with average absolute torsion angles of 10.8 (2) and 11.4 (1) for conformers and , re