TY - JOUR
T1 - Structures of three new 6β-hydroxy di- and tri-oxygenated friedelane triterpenes from kokoona zeylanica thw. (celastraceae)
AU - Gunatilaka, A. A.Leslie
AU - Nanayakkara, N. P.Dhammika
AU - Sultanbawa, M. Uvais S.
PY - 1979
Y1 - 1979
N2 - Three new triterpenes zeylanol, zeylanonol and zeylandiol isolated from Kokoona zeylanica have been identified as 6β-hydroxyfriedelan-3-one, 6β-hydroxyfriedelan-3,21-dione and 6β,21β-dihydroxyfriedelan-3-one, respectively by spectroscopic methods and chemical interconversions.
AB - Three new triterpenes zeylanol, zeylanonol and zeylandiol isolated from Kokoona zeylanica have been identified as 6β-hydroxyfriedelan-3-one, 6β-hydroxyfriedelan-3,21-dione and 6β,21β-dihydroxyfriedelan-3-one, respectively by spectroscopic methods and chemical interconversions.
UR - http://www.scopus.com/inward/record.url?scp=33645966318&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33645966318&partnerID=8YFLogxK
U2 - 10.1016/S0040-4039(01)93637-8
DO - 10.1016/S0040-4039(01)93637-8
M3 - Article
AN - SCOPUS:33645966318
SN - 0040-4039
VL - 20
SP - 1727
EP - 1730
JO - Tetrahedron Letters
JF - Tetrahedron Letters
IS - 19
ER -