ISOLATION AND X-RAY STRUCTURE CHARACTERIZATION OF (+)-ONONITOL FROM CHINESE CAESALPINIA CRISTAL

• 出 处: 结构化学
• 发表日期: 1988年02期
• 关键词: intramolecular Caesalpinia triclinic intermolecular hydrate bonds inositol torsi

The compound (+)-Ononitol was isolated from Chinese Caesalpinia Cristal and identified by X-ray structure analysis to be 4-0-methyl-myo-inositol-hydrate. C7H1406·H2O,Mr=212.2, triclinic, space group Pl,a=5.074 (1), b = 6.599(1), c = 7.750(1)A,α=106.02(1),β=93.47(1),γ= 109.09(2)°,V = 232.5 A3,Z=1, Dc=1.516 gcm-3, u(MoKa)=1.28 cm-1, R=0.034 for 1431 observed reflections. There is no intramolecular hydrogen bond in (+)-Ononitol, but intermolecular hydrogen bonds exist between water molecule and hydroxy group as well as between hydroxy groups.

The compound (+) - Ononitol was isolated from Chinese Caesalpinia Cristal and identified by X-ray structure analysis to be 4-0-methyl-myo-inositol- hydrate. C7H1406 H2O, Mr = 212.2, triclinic, space group Pl, a = 5.074 (1), b = 6.599 (1), c = 7.750 (1) A, α = 106.02 1, β = 93.47 1, γ = 109.09 2, V = 232.5 A3, Z = 1, Dc = 1.516 gcm-3, u (MoKa) = 1.28 cm-1, R = 0.034 for 1431 observed reflections. There is no intramolecular hydrogen bond in (+) - Ononitol, but intermolecular hydrogen bonds exist between water molecule and hydroxy group as well as between hydroxy groups.