Chem. J. Chinese Universities ›› 1989, Vol. 10 ›› Issue (7): 772.

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Molecular and Crystal Structures of Involucratolactone

Wang Qiguang, Li Yu, Jia Zhongjian   

  1. Lanzhou University, Lanzhou
  • Received:1988-01-04 Online:1989-07-24 Published:1989-07-24

Abstract: Involucratolactone, C21H30O8, Mw=410.47 is monoclinic, and its space group and lattice parameters are as follows; P21, a=22.195(3)Å, b=6.584(1)Å,c=20.728(4)Å, β=98.32 (1)°, V= 2997.9(9)Å3, Z=6, Dc=1.365 g·cm-1, μ(CuKa) = 11.02 cm-1.The crystal structure analysis shows that it is a new sesquiterpenoid glycoside.

Key words: Saussureed invducrata Kar.et Kin, Involucratolactone, Crystal structure

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