Separation, structural eluciation and synthesis of some derivatives a-amyrine isolated from Ehretia dentata Courch

  • Trần Văn Sung
  • Nguyễn Huy Cường
  • Phạm Thị Ninh
  • Trịnh Thị Thùy

Abstract

A mixture of three triterpenes was isolated with high yield (0.566%) fi'om the leaves of

Ehretia dentata Couch, growing in Hoa Binh province. These compounds could not be separated hy CC and preparative TLC. However, on a chemical derivatization we could determine that the main compounds are a-amyrine and its isomer hauerenol.

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Published
2011-12-07
Section
Articles