Synthesis and Crystal Structure of 3,3'-(4-Dimethylaminobenzylidene)- bis-(4-hydroxycoumarin)

• 作 者: 吕昌伟 吴尧平 刘建 贾新刚
• 机 构: Institute of Orthopaedics, Xijing Hospital, the Fourth Military Medical University,Xi\'an Shiyou U
• 出 处: 结构化学
• 发表日期: 2012年06期
• 关键词: monoclinic coumarin intramolecular refined marin spectrometer diffractometer sta

The title compound 3,3’-(4-dimethylaminobenzylidene)-bis-(4-hydroxycoumarin) 3 was synthesized by the reaction of 4-hydroxycoumarin with 4-dimethylaminobenzaldehyde, and its chemical structure was determined by X-ray single-crystal diffraction. It crystallizes in monoclinic, space group P21/n with a = 11.698(2), b = 10.882(2), c = 16.594(3) , β = 90.69(3)o, V = 2112.1(7) 3, Z = 4, F(000) = 952, Dc = 1.432 Mg/m3, Mr = 455.45, μ = 0.102 mm-1, λ = 0.71073 , the final R = 0.0779 and wR = 0.2143 for 3031 observed reflections with I > 2σ(I).

The title compound 3,3 ’- (4-dimethylaminobenzylidene) -bis- (4-hydroxycoumarin) 3 was synthesized by the reaction of 4-hydroxycoumarin with 4-dimethylaminobenzaldehyde, and its chemical structure was determined by X-ray single- . It crystallizes in monoclinic space group P21 / n with a = 11.698 (2), b = 10.882 (2), c = 16.594 (3) β, β = 90.69 (3) o and V = 2112.1 , Z = 4, F (000) = 952, Dc = 1.432 Mg / m3, Mr = 455.45, μ = 0.102 mm-1, λ = 0.71073 , the final R = 0.0779 and wR = 0.2143 for 3031 at reflections with I > 2σ (I).