1(3H)-Isobenzofuranone, 3-(1-hydroxybutyl)-

3-(1-Hydroxybutyl)-1(3H)-isobenzofuranone is an intermediate for the synthesis of Ligustilide (L397900), which is a dihydrophthalide, and an active ingredients of umbelliferous plants as Angelica sinensis and Ligusticum chuanxiong, having wide range of pharmacology effects on neuroprotection, vasodilatation, anti-caner and anti-tumor, analgesia and anti-inflammation.