CAJ | 학술논문

用液溴、醋酸酐、鼠李糖在高氯酸的催化下合成了酰化溴代鼠李糖（C12H17Br O7）,并用X-射线单晶衍射仪测定了其结构,证明了其立体结构的绝对构型为热力学稳定的α-构型.晶体数据表明,该化合物属正交晶系,空间群P212121,晶胞参数为：a=7.5580（15）,b=8.6314（17）,c=24.790（5）,α=90°,β=90°,γ=90°,V=1617.2（6）3,Z=4,Dcalc=1.451 mg.m-3,μ=2.566 mm-1,F（000）=720,R1=0.0568,wR2=0.1101.
용액추、작산항、서리당재고록산적최화하합성료선화추대서리당（C12H17Br O7）,병용X-사선단정연사의측정료기결구,증명료기입체결구적절대구형위열역학은정적α-구형.정체수거표명,해화합물속정교정계,공간군P212121,정포삼수위：a=7.5580（15）,b=8.6314（17）,c=24.790（5）,α=90°,β=90°,γ=90°,V=1617.2（6）3,Z=4,Dcalc=1.451 mg.m-3,μ=2.566 mm-1,F（000）=720,R1=0.0568,wR2=0.1101.
The crystal of the title compound has been synthesized with bromide,acetic anhydride,rhamnose,perchloric acid.Its crystal structure of the compound was determined by X-ray single crystal diffraction.As the data indicate： its crystal belongs to orthorhombic system with space group P212121,and its absolute configuration of three-dimensional structure is thermodynamically stable α-configuration.Crystal cell parameters are： a =7.5580（15）,b =8.6314（17）,c=24.790（5）,α=90 °,β =90 °,γ =90°,V = 1617.2（6）3,Z=4,Dcalc=1.451 mg·m-3,μ=2.566 mm-1,F（000）=720,R1=0.0568,wR2=0.1101.