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Biological and chemical guided isolation of 3,4-secograyanane diterpenoids from the roots of Pieris formosa

机译:从福尔摩斯鞭毛根中生物和化学指导分离3,4-七油精烷二萜

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Seventeen new 3,4-secograyanoids (1–17), together with seven known compounds (18–24), were isolated from the roots of Pieris formosa. Their structures with absolute configurations were characterized by a series of spectroscopic methods and X-ray diffraction. Compounds 1, 2, 4–8, 10–13, and 16–24 exhibited significant analgesic activity at 5.0 mg kg?1 (ip) compared to vehicle-injected mice (p < 0.05). In particular, compounds 16 and 17 showed highly potent activities with inhibition rates of 63.5% and 69.9%, respectively.
机译:从福尔摩斯山的根中分离出十七种新的3,4-芥子油苷(1-17)以及七个已知化合物(18-24)。通过一系列的光谱学方法和X射线衍射对它们具有绝对构型的结构进行了表征。与经媒介物注射的小鼠相比,化合物1、2、4–8、10–13和16–24在5.0 mg kg ?1 (ip)时显示出明显的镇痛活性。 ( p <0.05)。特别地,化合物16和17显示出强效的活性,其抑制率分别为63.5%和69.9%。

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