期刊
BIOLOGICAL & PHARMACEUTICAL BULLETIN
卷 29, 期 8, 页码 1775-1778出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/bpb.29.1775
关键词
Cistus sp.; Leishmania donovani; cis-clerodane; labdane; manoyl oxide; diterpene; antileishmanial activity
Eleven cis-clerodane diterpenes, seven labdane type diterpenes and one triterpene isolated from Cistus monspeliensis and the resin Ladano of Cistus creticus subsp. creticus were evaluated against Leishmania donovani promastigotes, the causative agent for visceral leishmaniasis. In addition, eleven semisynthetic manoyl oxide, seventeen labdane type derivatives and a triterpene were also evaluated for their antileishmanial activity. 18-Acetoxy-cis-clerod-3-en-15-ol, 15,18-diacetoxy-cis-clerod-3-ene and 13-(E)-8a-hydroxylabd-13-en-15-ol 2-chloroethylcarbamate exhibited the most potent and selective leishmanicidal activity with IC50 values of 3.3 mu g/ml, 3.4 mu g/ml and 3.5 mu g/ml, respectively.
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