| abstract |
Isoalantolactone derivative and its salt, there is provided as a kind of isoalantolactone derivative as shown in formula (I)；The acid for becoming salt is inorganic acid or organic acid, described inorganic acid is selected from hydrofluoric acid, hydrochloric acid, hydrobromic acid, hydroiodic acid, sulfuric acid, nitric acid, phosphoric acid, carbonic acid, boric acid, selenous acid, phosphomolybdic acid, phosphorous acid, sulfurous acid, the organic acid is selected from citric acid, maleic acid, D malic acid, L malic acid, DL malic acid, L lactic acid, D lactic acid, DL acid, oxalic acid, methanesulfonic acid, valeric acid, oleic acid, laurate, p-methyl benzenesulfonic acid, 1 naphthalene sulfonic acids, 2 naphthalene sulfonic acids, phthalandione, tartaric acid, malonic acid, succinic acid, fumaric acid, glycolic, thiolic acid, glycine, methyl amimoacetic acid, sulfonic acid, nicotinic acid, picolinic acid, isonicotinic acid, benzoic acid or substituted benzoic acid. |