Citation: Guo Xiang XIONG, Qing Fu ZHOU, Hui Jun Xu. SYNTHESIS AND CRYSTAL STRUCTURE OF 4,5-DIBROMO-o-OXYLYL-17-CROWN-5[J]. Chinese Chemical Letters, ;1996, 7(8): 699-700. shu

SYNTHESIS AND CRYSTAL STRUCTURE OF 4,5-DIBROMO-o-OXYLYL-17-CROWN-5

Institute of Photographic Chemistry, Chemistry, Academia Sinica, Beijing 100101

Received Date: 15 January 1996

Fund Project: This work is supported by The National Natural Science Foundation of China.

The title compound[C₁₆H₂₂Br₂O₅] (3). was synthesized and characterized by ¹H-NMR, MS and elemental analysis. Pale yellow prism crystallized from anhydrous ethanol solution was investigated by X-ray structural analysis. Crystal data:orthorhombic system, space group Pbca, Mr=454.2, a=17.664 (4) Å, b=8.625 (2) Å, c=24.269 (5) Å, z=8, Dc=1.632g/cm³, F (000) =1776. The structure was solved by direct methods and refined to final R=0.0362, Rw=0.0357 for 1029 observed reflections with F>6.0σ (F).
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