公开(公告)号：KR1020030046544A

公开(公告)日：2003-06-18

申请号：KR1020010074251

申请日：2001-11-27

Applicant: 재단법인서울대학교산학협력재단

Inventor： 김영중 ,  이은주 ,  성상현 ,  마충제 ,  박혜영 ,  김진웅 ,  김상건

IPC: C07C43/275

Abstract: PURPOSE: A meso-dihydroguaiaretic acid derivative, an inhibitor of the liver fibrosis containing the derivative, a Machilus thunbergii Sieb et Zucc. extract for inhibiting the liver fibrosis and a medical composition containing the extract for inhibiting the liver fibrosis are provided, wherein the derivative shows an excellent activity inhibiting the liver fibrosis. CONSTITUTION: The meso-dihydroguaiaretic acid derivative is represented by the formula 1, wherein R1 and R2 are independently H or an alkyl group of C1-C4; and R3 and R4 are independently an alkyl group of C1-C4 (but meso-dihydroguaiaretic acid is excluded). The Machilus thunbergii Sieb et Zucc. extract is obtained by extracting Machilus thunbergii Sieb et Zucc. with an alcohol of C1-C4, and optionally suspending it with water; fractionating the extracted one with CH2Cl2; and separating the obtained CH2Cl2 fraction by column chromatography.

Abstract translation: 目的：内消旋二氢愈创木酸衍生物，含有该衍生物的肝纤维化抑制剂，Machilus thunbergii Sieb et Zucc。 提供了用于抑制肝纤维化的提取物和含有用于抑制肝纤维化的提取物的医药组合物，其中该衍生物显示出抑制肝纤维化的优异活性。 构成：内消旋二氢愈创木酸衍生物由式1表示，其中R1和R2独立地为H或C1-C4的烷基; 并且R 3和R 4独立地是C 1 -C 4的烷基（但不包括内消旋 - 二氢愈老酸）。 Machilus thunbergii Sieb et Zucc。 提取物通过提取马齿苋提取物Sieb et Zucc获得。 与C1-C4的醇，并任选地用水悬浮; 用CH 2 Cl 2分离提取的物质; 并通过柱色谱法分离得到的CH 2 Cl 2馏分。

公开(公告)号：KR100470150B1

公开(公告)日：2005-02-05

申请号：KR1020010074251

申请日：2001-11-27

Applicant: 재단법인서울대학교산학협력재단

Inventor： 김영중 ,  이은주 ,  성상현 ,  마충제 ,  박혜영 ,  김진웅 ,  김상건

IPC: C07C43/275

Abstract: PURPOSE: A meso-dihydroguaiaretic acid derivative, an inhibitor of the liver fibrosis containing the derivative, a Machilus thunbergii Sieb et Zucc. extract for inhibiting the liver fibrosis and a medical composition containing the extract for inhibiting the liver fibrosis are provided, wherein the derivative shows an excellent activity inhibiting the liver fibrosis. CONSTITUTION: The meso-dihydroguaiaretic acid derivative is represented by the formula 1, wherein R1 and R2 are independently H or an alkyl group of C1-C4; and R3 and R4 are independently an alkyl group of C1-C4 (but meso-dihydroguaiaretic acid is excluded). The Machilus thunbergii Sieb et Zucc. extract is obtained by extracting Machilus thunbergii Sieb et Zucc. with an alcohol of C1-C4, and optionally suspending it with water; fractionating the extracted one with CH2Cl2; and separating the obtained CH2Cl2 fraction by column chromatography.

Abstract translation: 目的：内消旋二氢愈创木酸衍生物，含有该衍生物的肝纤维化抑制剂，Machilus thunbergii Sieb et Zucc。 提供了用于抑制肝纤维化的提取物和含有用于抑制肝纤维化的提取物的药物组合物，其中所述衍生物显示出抑制肝纤维化的优异活性。 构成：内消旋二氢愈创木酸衍生物由式1表示，其中R1和R2独立地为H或C1-C4的烷基; 并且R3和R4独立地为C1-C4的烷基（但不包括内消旋二氢愈创木酸）。 Machilus thunbergii Sieb et Zucc。 提取物通过提取Machilus thunbergii Sieb et Zucc获得。 与C1-C4的醇反应，并任选将其悬浮于水中; 用CH 2 Cl 2分馏萃取液; 并通过柱色谱分离所得的CH 2 Cl 2馏分。