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Title: meso-2,2,2′,2′-Tetrachloro-1,1′-diphenyl-1,1′- bicyclopropyl and meso-2,2,2′,2′-Tetrabromo-1,1′-diphenyl-1,1′- bicyclopropyl
Authors: Lam, Y.-L. 
Koh, L.-L. 
Huang, H.-H. 
Issue Date: 15-Apr-1997
Citation: Lam, Y.-L.,Koh, L.-L.,Huang, H.-H. (1997-04-15). meso-2,2,2′,2′-Tetrachloro-1,1′-diphenyl-1,1′- bicyclopropyl and meso-2,2,2′,2′-Tetrabromo-1,1′-diphenyl-1,1′- bicyclopropyl. Acta Crystallographica Section C: Crystal Structure Communications 53 (4) : 499-504. ScholarBank@NUS Repository.
Abstract: Molecules of meso-2,2,2′,2′-tetrachloro-1,1′-diphenyl-1,1′- bicyclopropyl, C18H14Cl4, (1), and meso-2,2,2′,2′-tetrabromo-1,1′-diphenyl-1,1′- bicyclopropyl, C18H14Br4, (2), adopt gauche conformations. Compound (1) produced two types of crystals upon recrystallization. The phenyl rings of the two forms of compound (1), as well as those of compound (2), are in a nearly perpendicular orientation. All three structures have unsymmetrical cyclopropane rings, with the shortest C-C bond being between the rings at the point of phenyl substitution.
Source Title: Acta Crystallographica Section C: Crystal Structure Communications
ISSN: 01082701
Appears in Collections:Staff Publications

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