New caryophyllene derivatives from Betula litwinowii

Demirci B., Baser K., DEMİRCİ F., Hamann M.

JOURNAL OF NATURAL PRODUCTS, vol.63, no.7, pp.902-904, 2000 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 63 Issue: 7
  • Publication Date: 2000
  • Doi Number: 10.1021/np990438g
  • Journal Name: JOURNAL OF NATURAL PRODUCTS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Index Chemicus (IC)
  • Page Numbers: pp.902-904
  • Anadolu University Affiliated: Yes

Abstract

Four new caryophyllene derivatives- 14-hydroxy-4,5-dihydro-beta-caryophyllene (1), 14-acetoxy-4,5 -dihydro-beta-caryophyllene (2), 4,5-dihydro-beta-caryophyllene-14-al (3), and caryophylla-8(14)-en-5-one (4)-are reported from the essential oil of Betula litwinowii. Compounds 1-4 were characterized by MS and 1D and 2D NMR analyses and chemical transformations. The antibacterial and antifungal activity of 1 is also reported.