Veranja Karunaratne, University  of Peradeniya
Veranja Karunaratne, University of Peradeniya
Professor, University of Peradeniya
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Synthesis of meso-phenyl-4, 6-dipyrrins, preparation of their Cu (II), Ni (II), and Zn (II) chelates, and structural characterization of bis [meso-phenyl-4, 6-dipyrrinato] Ni (II)
C Brückner, V Karunaratne, SJ Rettig, D Dolphin
Canadian journal of chemistry 74 (11), 2182-2193, 1996
A green slow-release fertilizer composition based on urea-modified hydroxyapatite nanoparticles encapsulated wood
N Kottegoda, I Munaweera, N Madusanka, V Karunaratne
Current science, 73-78, 2011
Preparation and characterization of vanadyl complexes with bidentate maltol-type ligands; in vivo comparisons of anti-diabetic therapeutic potential
KH Thompson, BD Liboiron, Y Sun, KD Bellman, IA Setyawati, BO Patrick, ...
JBIC Journal of Biological Inorganic Chemistry 8 (1-2), 66-74, 2003
Antimicrobial alkaloids from Zanthoxylum tetraspermum and caudatum
APK Nissanka, V Karunaratne, BMR Bandara, V Kumar, T Nakanishi, ...
Phytochemistry 56 (8), 857-861, 2001
Urea-hydroxyapatite nanohybrids for slow release of nitrogen
N Kottegoda, C Sandaruwan, G Priyadarshana, A Siriwardhana, ...
ACS nano 11 (2), 1214-1221, 2017
Coordination chemistry of 2-(2'-hydroxyphenyl)-2-oxazolines with aluminum, gallium, and indium: first tris (ligand) metal (III) complexes of this naturally occurring binding group
HR Hoveyda, V Karunaratne, SJ Rettig, C Orvig
Inorganic Chemistry 31 (26), 5408-5416, 1992
Ecdysterone from stem of Diploclisia glaucescens
BMR Bandara, L Jayasinghe, V Karunaratne, GP Wannigama, M Bokel, ...
Phytochemistry 28 (4), 1073-1075, 1989
Antioxidant activity of some lichen metabolites
VM Thadhani, MI Choudhary, S Ali, I Omar, H Siddique, V Karunaratne
Natural product research 25 (19), 1827-1837, 2011
Highly flexible chelating ligands for Group 13 metals: design and synthesis of hexadentate (N3O3) tripodal amine phenol ligand complexes of aluminum, gallium, and indium
S Liu, E Wong, V Karunaratne, SJ Rettig, C Orvig
Inorganic Chemistry 32 (9), 1756-1765, 1993
Bis (ligand) rhenium (V) and technetium (V) complexes of two naturally occurring binding moieties (oxazoline and thiazoline)
E Shuter, HR Hoveyda, V Karunaratne, SJ Rettig, C Orvig
Inorganic chemistry 35 (2), 368-372, 1996
Ambewelamides A and B, antineoplastic epidithiapiperazinediones isolated from the lichen< i> Usnea</i> sp.
DE Williams, K Bombuwala, E Lobkovsky, ED De Silva, V Karunatne, ...
Tetrahedron letters 39 (52), 9579-9582, 1998
Bifunctional reagents in organic synthesis. Total syntheses of the sesquiterpenoids (±)-pentalenene and (±)-9-epi-pentalenene
E Piers, V Karunaratne
Canadian journal of chemistry 67 (1), 160-164, 1989
Resource management on a personal area network
E Loven, J Brennan, M Murphy
US Patent App. 10/316,391, 2004
4-Chloro-2-lithio-1-butene, a novel donor-acceptor conjunctive reagent
E Piers, V Karunaratne
The Journal of Organic Chemistry 48 (10), 1774-1776, 1983
Organotin-based bifunctional reagents: 4-chloro-2-lithio-1-botene and related substances: Methylenecyclopentane annotations. Total synthesis of (±)-δ9 (12)-capnellene
E Piers, V Karunaratne
Tetrahedron 45 (4), 1089-1104, 1989
Two new lactones with mosquito larvicidal activity from three Hortonia species
R Ratnayake, V Karunaratne, BM Ratnayake Bandara, V Kumar, ...
Journal of natural products 64 (3), 376-378, 2001
Conjugate Addition of Lithium Phenylthio- and Cyano-[2-(4-chlorobut-l- enyl) Cuprate to Cyclic Enones. An Efficient Methylenecylcopentane Annulation Process
E Piers, V Karunaratne
J. Chem. Soc., Chem. Commun, 935-936, 1983
Lichens: A Chemically Important Biota
V Karunaratne, K Bombuwela, S Kathirgamanathar, VM Thadhani
Journal of the National Science Foundation of Sri Lanka 33 (3), 169-186, 2005
1-[2′, 4′-Dihydroxy-3′, 5′-di-(3 ″-methylbut-2 ″-enyl)-6′-methoxy] phenylethanone from Acronychia pedunculata root bark
V Kumar, V Karunaratne, MR Sanath, K Meeegalle
Phytochemistry 28 (4), 1278-1279, 1989
Methyl ester of para-coumaric acid: Antifungal principle of the rhizome of Costus speciosus
BMR Bandara, CM Hewage, V Karunaratne, NKB Adikaram
Planta medica 54 (05), 477-478, 1988
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