Phyllurine, leaf-opening substance of a nyctinastic plant, Phyllanthus urinaria L.

Minora Ueda, Miho Asano, Shosuke Yamamura

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

We have isolated phyllurine (1) as the leaf-opening substance of Phyllanthus urinaria L. that keeps the Phyllanthus leaves open. 1 was quite effective for the leaf-opening of Phyllanthus urinaria L. at 2.5 x 10-5 M, but not effective for other nyctinastic plants even at 1 x 10-4 M. The leaf-closing substance of this plant has already been identified as phyllanthurinolactone (2). Thus, the leaf-movement of Phyllanthus urinaria L. is proposed to be controlled by the interaction between 1 and 2, similar to the case of Lespedza cuneata G. Don.

Original languageEnglish
Pages (from-to)9731-9734
Number of pages4
JournalTetrahedron Letters
Volume39
Issue number52
DOIs
Publication statusPublished - 1998 Dec 24
Externally publishedYes

Keywords

  • Biologically active compounds
  • Natural products
  • Plants
  • Zwitter ions

ASJC Scopus subject areas

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry

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