Search Results - "AMARASEKARA, A. S"

Association between Angiotensin‐converting enzyme (ACE) insertion/deletion (I/D) polymorphism on the susceptibility to psoriasis and oxidative stress (OS) in a cohort of pediatric psoriatic patients in Sri Lanka: A cross sectional study by Udayanga, S. A. K., Seneviratne, J., Saumyamala, M. G. A., Amarasekara, A. D. D. S.

“…Background Pediatric psoriasis accounts for nearly one‐third of the global psoriasis burden. Multiple lines of evidence have shown the relationship between…”
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Crystal structure of (1α,8α,9β,12β)-1,8-diphenyl-13-oxatetracyclo- [6.4.1.02,7.09,12]trideca-2,4,6,10-tetraene, C24H18O by Amarasekara A. S., Russell R. A., Warrener R. N., Tiekink E. R. T.

“…C24H18O, orthorhombic, Pbca (No. 61), a = 19.870(4) Å, b = 16.78(2) Å, c = 10.520(6) Å, V = 3507.6 Å3, Z = 8, Rgt(F) = 0.057, wRref(F2) = 0.147, T = 293 K…”
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Photochemical approach to the taxanes by Berkowitz, W. F, Amarasekara, A. S, Perumattam, J. J

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Crystal structure of ( 1α,8α,9β,12β)-1,8-diphenyl-13- oxatetracyclo-[6.4.1.02,7.09,12]trideca-2,4,6,10-tetraene, C24H18O by Amarasekara A. S., Russell R. A., Warrener R. N., Tiekink E. R. T.

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Crystal structure of ( 1α,8α,9β,12β)-1,8-diphenyl-13- oxatetracyclo-[6.4.1.02,7.09,12]trideca-2,4,6,10-tetraene, C24H18O by Amarasekara A. S., Russell R. A., Warrener R. N., Tiekink E. R. T.

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Structural tautomerism of 4-acylpyrazolone schiff bases and crystal structure of 5-methyl-2-phenyl-4-{1-[(pyridin-2-ylmethyl)-amino]-ethylidene}-2,4-dihydro-pyrazol-3-one by Amarasekara, A. S., Owereh, O. S., Lyssenko, K. A., Timofeeva, T. V.

“…The Schiff base derivatives prepared from 4-acetyl-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one and alkyl amines are shown to remain exclusively in the…”
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Nitrosation of β′-hydroxylamino-α,β-unsaturated oximes: synthesis of 1,7-dioxa-2,6-diaza-spiro[4,4]nona-2,8-diene ring system by Amarasekara, Ananda S.

“…[Display omitted] Nitrosation of bis arylidene acetone oximes with nitrous acid in glacial acetic acid gives 3-vinyl pyrazolone- N, N′-dioxides in 32–37%…”
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Studies of planar poly(3,4-disubstituted-thiophenes) by Pomerantz, Martin, Amarasekara, Ananda S.

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Synthesis and Solid-State Structures of Dimethyl 2,2‘-Bithiophenedicarboxylates by Pomerantz, Martin, Amarasekara, Ananda S, Dias, H. V. Rasika

“…The syntheses of dimethyl 2,2‘-bithiophene-4,4‘-dicarboxylate (3), dimethyl 2,2‘-bithiophene-3,4‘-dicarboxylate (4), and dimethyl…”
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A New Synthesis of Quinoline-5,8-Quinone by Amarasekara, Ananda S.

“…Sensitised photo-oxidations of 8-hydroxy quinoline (l)or5-hydroxy quinoline (2) gives quinoline-5,8-quinone (3) in 64-70% yield…”
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Building BLOCK Strategies for the Synthesis of Molecular Clefts with Inside Functionality by Warrener, Ronald N, Margetic, Davor, Amarasekara, Ananda S, Butler, Douglas N, Mahadevan, Indu B, Russell, Richard A

“…A new general route to U-type cavity structures (molecular clefts) with inside functionality has been developed using wall extension or base/roof assembly…”
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Intramolecular azide-olefin cycloadditions. A novel synthesis of 2,5-dihydrooxazoles by HASSNER, A, AMARASEKARA, A. S, ANDISIK, D

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TiCl4-catalyzed addition of HN3 to aldehydes and ketones. Thermolysis and photolysis of α-azido ethers by HASSNER, A, FIBIGER, R, AMARASEKARA, A. S

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Molecular topology: The synthesis of a new class of rigid arc-shaped spacer molecules based on syn-facially fused norbornanes and 7-heteronorbornanes in which heterobridges are used to govern backbone curvature by Warrener, Ronald N., Margetic, Davor, Sun, Guanxing, Amarasekara, Ananda S., Foley, Patrick, Butler, Douglas N., Russell, Richard A.

“…Norbornadienes and 7-heteronorbornadienes are reacted with 7-oxa (or carba or aza) norbornene-fused cyclobutene epoxides (or aziridines) to produce…”
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Synthesis of Functionalized Cavity Structures via 1,3-Dipolar Cycloaddition of Angle-Shaped Alkenes to Curved Norbornene-Framed Dipoles by Warrener, Ronald N, Margetic, Davor, Amarasekara, Ananda S, Russell, Richard A

“…A new approach to the synthesis of cavity molecules is described in which the 1,3-dipolar ACE coupling method is used to join curved-frame spacer molecules…”
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Competitive [3+2] and [4+2] Cycloaddition Reactions of 2-Furaldehyde Phenylhydrazone with Alkenes by Amarasekara, Ananda S, Pathmasiri, W. Wimal

“…Maleimides react with 2-furaldehyde phenylhydrazone 1 at the furan ring to give 4-(phenylhydrazono)methyl-1H-isoindole-1,3(2H)-diones when equimolar mixtures…”
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