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5,5'-Dibromo-3,3'-diethyl-4,4'-dimethyl-2,2'-pyrromethene hydrobromide

✍ Scribed by Becker, W. ;Sheldrick, W. S. ;Engel, J.

Book ID
114524985
Publisher
International Union of Crystallography
Year
1978
Weight
389 KB
Volume
34
Category
Article
ISSN
0567-7408

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2,2′-Di­bromo-3,3′,4,4′,5,5′,6,6′-octa­m
2,2′-Di­bromo-3,3′,4,4′,5,5′,6,6′-octa­methyl-1,1′-bi­phenyl
✍ Karunadasa, Hemamala ;Leggett, Christina ;Wong, Shaun 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 190 KB

The title compound, C 29 H 24 Br 2 , has crystallographic twofold rotation symmetry. The Br atom in the 2 position is disordered with the methyl group in the 6 position. The biphenyl bridge bond distance and the torsion angle between the rings are in good agreement with similar previously reported s