ethyl ether


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Related to ethyl ether: Petroleum ether, ethyl acetate

ethyl ether

[¦eth·əl ′ē·thər]
(electromagnetism)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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To isolate the mixture of 2 and 3, the resultant reaction mixture was cooled until pyridinium trifluoroacetate precipitated; then, it was filtered off and the organic layer was washed with cooled ethyl ether. After solvent evaporation, the residue was a crystalline solid in a brownish oil, identified as a mixture of 4,4,4-trifluoro-2-methyl-1-(thien-2-yl)butan 1,3-dione (2, brownish oil) and 3,3-dihydroxy-4,4,4-trifluoro-2-methyl-1-(2-thien-2-yl)butan-1-one (3, colorless crystalline solid).
In this sense, the activity coefficient of carbon dioxide (solute) was lower in the presence of methyl acetate, than in the presence of ethyl ether. This behavior was preserved throughout the whole range of studied mole fraction.
The isolated compounds were identified as 1 imperatorin, 2 iso-imperatorin, 3 iso scopoletin, 4 scoparone, 5 anhydroaegeline, 6 xanthotoxol, 7 xanthotoxin, 8 umbelliferone, 9 esculetin, 10 aegeline, 11 marmeline, 12 halfordinol, 13 ethyl ether aegeline, 14 methyl ether aegeline (Fig.
A solution of compound 5 (5.6911 g, 41.2 mmol), obtained by by the method of Kharasch and Tawney [5], in anhydrous ethyl ether (15 mL), was added to a suspension of LiAl[H.sub.4] (1.4094 g, 37.1 mmol) in anhydrous ethyl ether (75 mL) at 0[degrees]C.
Bark samples were sequentially extracted in a Soxhlet apparatus using reagent grade hexane, ethyl ether, ethanol (95%), and water.
Name M [T.sub.c], [P.sub.c] p, g/c K .atm [m.sup.3] 1 Hexane 86 508 29.5 0.65 2 Heptane 100 540 26.8 0.68 3 Octane 114 569.4 24.6 0.70 4 Chloroform 119.4 533.9 54.9 0.79 5 Carbon 153.8 556.2 45 1.60 tetrachloride 6 Cyclohexane 84 554.2 24.6 0.78 7 Benzene 78 5618 40 0.88 8 Ethyl 106 617 29.6 0.87 benzene 9 Methanol 32 513 78.7 0.79 10 Ethanol 46 516 63.1 0.79 11 Butanol 74 560 48.4 0.81 12 Acetone 58 538 47.0 0.79 13 Ethyl ether 74 467.0 35.5 0.71 [delta] Lp.
Take ethyl ether, a clear liquid once used by biology teachers to sedate fruit flies.
Ethyl ether was one of the first anesthetics and is not used in vaccines.
Dichloromethane, hexane, cyclohexane, and ethyl ether were purchased from Aldrich and ethyl ether from Fischer Scientific (all analytical grade).
The blood of mice was collected from the inferior vena cava under ethyl ether anesthesia, drawn using venipuncture into serum separation tubes, allowed to clot for 10 min at room temperature, and then centrifuged (1,000g, 10 min, 4[degrees]C).