Words similar to ethyl
Example sentences for: ethyl
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Phyllanthus urinaria plant was used by Caribs with other plants in a bath against bad luck (called 'piai') [ 66 ] . Pharmacological activities of various compounds in some species of Phyllanthus include analgesic, antiinflammatory, antilipoxigenase, antiallergic, nitrosamina blocker, aldose reductase inhibitor, antiviral, mitochondrial ATPase inhibitor, phosphodiesterase inhibitor and cyclooxigenase inhibitor [ 111 ] . Other activities are hepatoprotective, phosphorilase and tirosine kinase inhibitor, phospholipase A 2 inhibitor and increased the survival of hepatocellular carcinoma harbouring animals [ 54 111 113 112 ] . The compound with hepatoprotective activity is triacontanol [ 114 ] . Several compounds found in Phyllanthus species, like flavonoids (quercetin, rutin), tannins (geraniin, furosin), benzenoids (ethyl gallate, methyl gallate) and phytosterols showed antinociceptive effects in mice or multiple mechanisms of action [ 111 115 ] . The flavonoids also have anti-inflammatory properties [ 38 11 ] . The hydroalcoholic extracts of four Phyllanthus species were 2 - 6 fold more active in causing antinociception than aspirin depending on the route of administration and the pain model used [ 115 ] . Phyllanthus amarus has antioxidant properties, reverses chromosomal alterations induced by genotoxic agents and has anticancer activity [ 112 ] . Active compounds may be flavonoids (quercetin, astragalin), ellagitannins (amarinic acid), hydrolysable tannins (phyllanthisiin D) [ 112 ] . The multiple plant compounds found in Phyllanthus species might help clear up any physiological condition that results in dogs having difficulty following game animals.
Actually, as expected from the replacement of two vinyl groups in UCB with two ethyl groups in MBR, MBR is slightly more soluble in organic solvents [ 23 ] and has a higher R f on silica gel t.l.c.
After evaporation of reagents, the residue was subjected to TLC plates, using the solvent system chloroform/ethanol (93:7, vol/vol) for PGF 2α and TXB 2 , and ethyl acetate/methanol (93:2, vol/vol) for 6-keto-PGF 1α and PGE 2 . Then PGF 2α was converted to trimethylsilyl ether derivative by treatment with N,O-bis (trimethylsilyl) trifluoroacetamide and dimethylformamide.
The product was purified by thin layer chromatography eluting with ethyl acetate and hexane (3/1, v/v) to afford 12 mg of 8 (62% yield).
The solvent was removed, and the product was purified by flash column chromatography eluting with 5% ethyl acetate in dichloromethane to afford 271 mg of 6 (69% yield).
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