Solvates of ajmaline and two-dimensional isostructurality between methanol and ethanol solvates

Bhattacharya S.; Sameena J.; Saha B.K.

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Solvates of ajmaline and two-dimensional isostructurality between methanol and ethanol solvates

机译：味精的溶剂化物和甲醇与乙醇溶剂化物之间的二维同构性

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Crystal structures of methanol, ethanol solvates, and two hydrates of ajmaline, acetonitrile solvate of ajmaline-isoajmaline cocrystal and one hydrate of ajmalinium bromide, are reported. The bromide ion is introduced to determine the configuration of ajmaline by analyzing the Flack parameter. The methanol and ethanol solvates of ajmaline show two-dimensional (2D) isostructurality. The methanol, ethanol solvates, two hydrates, and the ajmalinium bromide salt hydrate are one-dimensional (1D) isostructural. The acetonitrile solvate contains ajmaline and isoajmaline together in the crystal structure. The conversion from ajmaline to isoajmaline is accomplished by heating. The methanol solvate is thermally most stable and the acetonitrile solvate is least stable.

机译：报道了甲醇，乙醇溶剂化物和阿玛琳的两种水合物的晶体结构，阿玛琳-异麦芽酮共晶体的乙腈溶剂化物和溴阿玛琳铵的一种水合物。引入溴离子可通过分析Flack参数来确定ajmaline的构型。阿玛琳的甲醇和乙醇溶剂化物显示出二维（2D）同构性。甲醇，乙醇溶剂化物，两种水合物和阿马利溴铵盐水合物是一维（1D）等结构。乙腈溶剂化物在晶体结构中一起包含阿玛琳和异玛琳。从阿玛琳到异玛瑙的转化是通过加热完成的。甲醇溶剂化物是最热稳定的，而乙腈溶剂化物是最不稳定的。

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《Crystal growth & design》 |2011年第4期|共5页
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Bhattacharya S.; Sameena J.; Saha B.K.;
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Solvates of ajmaline and two-dimensional isostructurality between methanol and ethanol solvates

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