洛阳师范学院学报
洛暘師範學院學報
락양사범학원학보
Journal of Luoyang Teachers College
2012年
2期
54~56
,共null页
李艳娜 凌勋利 吉苏宁 李荣芳
李豔娜 凌勛利 吉囌寧 李榮芳
리염나 릉훈리 길소저 리영방
鼠李糖 合成 晶体结构 乙酰化溴代糖
鼠李糖 閤成 晶體結構 乙酰化溴代糖
서리당 합성 정체결구 을선화추대당
acetyglycosyl bromide; crystal structure; synthesis; rhamnose
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.
用液溴、醋痠酐、鼠李糖在高氯痠的催化下閤成瞭酰化溴代鼠李糖(C12H17Br O7),併用X-射線單晶衍射儀測定瞭其結構,證明瞭其立體結構的絕對構型為熱力學穩定的α-構型.晶體數據錶明,該化閤物屬正交晶繫,空間群P212121,晶胞參數為: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.