• Publications
  • Influence
Larvicidal action of ethanolic extracts from fruit endocarps of Melia azedarach and Azadirachta indica against the dengue mosquito Aedes aegypti.
Ethanolic extracts from the kernels of ripe fruits from the Indian Lilac Melia azedarach and from the well-known Neem tree, Azadirachta indica were assayed against larvae of Aedes aegypti, theExpand
  • 151
  • 10
Antioxidant xanthones from Garcinia subelliptica
Abstract From the woods of Garcinia subelliptica four new xanthones, garciniaxanthone C, 1,2,5-trihydroxyxanthone, 2,6-dihydroxy-1,5-dimethoxyxanthone and 1,2-dihydroxy-5,6-dimethoxyxanthone haveExpand
  • 125
  • 4
Anti-plasmin inhibitor. VI. Structure of phlorofucofuroeckol A, a novel phlorotannin with both dibenzo-1,4-dioxin and dibenzofuran elements, from Ecklonia kurome Okamura.
Phlorofucofuroeckol A (1), a novel phlorotannin with both dibenzo-1,4-dioxin and dibenzofuran elements, has been isolated from the brown alga Ecklonia kurome OKAMURA as a potent anti-plasminExpand
  • 90
  • 3
Stereoselective reductive metabolism of metyrapone and inhibitory activity of metyrapone metabolites, metyrapol enantiomers, on steroid 11 beta-hydroxylase in the rat.
Pharmacokinetics of metyrapone and metyrapol enantiomers was studied in the rat to determine the stereoselective reductive metabolism of metyrapone. The HPLC method using a chiral column wasExpand
  • 15
  • 3
Antimalarial Phenanthroindolizine Alkaloids from Ficus septica.
During the screening of antimalarial substances, MeOH extract from the twigs of Ficus septica was shown to have potent antimalarial activity. Bioassay-guided fractionation of a methanol extract ofExpand
  • 11
  • 3
Synthesis and neuroprotective activity of bergenin derivatives with antioxidant activity.
Norbergenin, which is the O-demethyl derivative of bergenin, the main component of Mallotus japonicus, has been found to show moderate antioxidant activity (IC(50) 13 microM in DPPH radicalExpand
  • 95
  • 2
Neurotrophic sesquiterpene-neolignans from magnolia obovata: structure and neurotrophic activity
Abstract Novel sesquiterpene-neolignans, eudesobovatos A (1) and B (2), eudesmagnolol (3), eudeshonokiols A (4) and B (5), clovanemagnolol (6), and caryolanemagnolol (7), have been isolated from theExpand
  • 60
  • 2
Phthalides from the rhizome of Ligusticum wallichii
Abstract Three phthalides, 3-butylidene-7-hydroxyphthalide, and cis and trans -6,7-dihydroxyligustilides, along with a dimeric phthalide wallichilide have been isolated from the hot water extract ofExpand
  • 51
  • 2
Structures of americanol A and isoamericanol A having a neurotrophic property from the seeds of Phytolacca americana.
The structures of new neo-lignans, isoamericanol A (1) and americanol A (2) isolated from the seeds of Phytolacca americana have been elucidated on the basis of spectroscopic data and then confirmedExpand
  • 59
  • 2
Synthesis of riccardin C and its seven analogues. Part 1: The role of their phenolic hydroxy groups as LXRalpha agonists.
Riccardin C, a nuclear receptor LXRalpha selective agonist, is an 18-membered macrocyclic bisbibenzyl isolated from several liverworts. Synthesis of riccardin C and its seven O-methylated derivativesExpand
  • 33
  • 2