Molecular structures of ( R )-2,2′-dimethyl-1,1′-binaphthyl [monoclinic, a = 11.24420 (11), b = 10.56190 (9), c = 13.27180 (13) Å, β = 90.7041 (9)°, space group P 2 1 ] and (±)-2-bromomethyl-2′-dibromomethyl-1,1′-binaphthyl [triclinic, a = 9.4637 (14), b = 9.9721 (18), c = 9.9922 (19) Å, α = 100.093 (5), β = 97.141 (5), γ = 92.585 (4)°, space group P -1] are reported and compared with those of other simple 2,2′-disubstituted-1,1′-binaphthyls. Graphic Abstract Inter-ring bond length and torsion angles are compared with other simple 2,2′-disubstututed-1,1′-binaphthyls.

中文翻译：

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(R)-2,2'-Dimethyl-1,1'-binaphthyl 和 (±)-2-Bromomethyl-2'-dibromomethyl-1,1'-binaphthyl 的 X 射线结构

( R )-2,2'-二甲基-1,1'-联萘[单斜, a = 11.24420 (11), b = 10.56190 (9), c = 13.27180 (13) Å, β = 90.7041 (9) 的分子结构)°，空间群 P 2 1 ] 和 (±)-2-bromomethyl-2'-dibromomethyl-1,1'-binaphthyl [triclinic, a = 9.4637 (14), b = 9.9721 (18), c = 9.9922 ( 19) Å, α = 100.093 (5), β = 97.141 (5), γ = 92.585 (4)°, 空间群 P -1] 被报道并与其他简单的 2,2'-二取代-1 进行比较, 1'-联萘。图形摘要 环间键长和扭转角与其他简单的 2,2'-二取代-1,1'-联萘进行了比较。