Studies on the Diterpenes from Siegesbeckia pubescens $M_{AKINO}$ (IV) -A diterpene with kaurane skeleton-

희첨의 Diterpene에 관(關)한 연구(硏究) (IV) -Kaurane Skeleton 을 가진 Diterpene 의 화학구조(化學構造)-

  • Han, Koo-Dong (Natural Products Research Institute, Seoul National University) ;
  • Kim, Jae-Hoon (Natural Products Research Institute, Seoul National University) ;
  • Oh, Sea-Jong (Natural Products Research Institute, Seoul National University)
  • 한구동 (서울대학교 생약연구소) ;
  • 김제훈 (서울대학교 생약연구소) ;
  • 오세종 (서울대학교 생약연구소)
  • Published : 1973.06.15

Abstract

A component, $C_{20}H_{32}O_3$, m.p. $207.5^{\circ}$, was isolated from Siegesbeckia pubescens $M_{AKINO}$. This compound was identified as $17-hydroxy-16{\beta}-(-)-kauran-19-oic\;acid$, using spectroscopies and synthesizing various derivatives of the compound.

Keywords