Example sentences for: ethyl

How can you use “ethyl” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • , hydroxyethyl groups at the 2- and 4-positions, see CuHPIX in Figure 1) were found to be more active than structures with the protoporphyrin (see ZnPPIX in Figure 1), mesoporphyrin, deuteroporphyrin or deuteroporphyrin disulfonic acid rings (ethyl, hydrogen or sulfonate at positions 2 and 4, respectively).

  • The ethyl acetate was reduced to 0.5 ml by rotary evaporation (Buchi rotary evaporator) at 30°C under reduced pressure.

  • 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).

  • 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 methoxime derivative of TXB 2 , PGE 2 and 6-keto-PGF 1α was made by treatment with 2% methoxamine hydrochloride in pyridine at 70°C for 60 min, followed by evaporation of the pyridine, addition of water, and extraction with ethyl acetate.


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