Saturated aqueous sodium bicarbonate
[DOC File]Supporting information - RSC
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In Step D, what is the purpose of washing with saturated sodium bicarbonate? The partition coefficient of Compound A is 7.5 in dichloromethane (a.k.a. methylene chloride) with respect to water. If 5 grams of Compound A were dissolved in 100 mL of water, how much of Compound A would be extracted with
[DOC File]1 .edu
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Add 5 mL of saturated aqueous sodium bicarbonate to the reaction mixture in the reaction tube and mix well. Transfer the mixture to a small separatory funnel and extract the mixture with dichloromethane (2 x 5 mL). After completing both extractions, remove the aqueous layer from the separatory funnel.
[DOC File]ASYMMETRIC ALDOL REACTIONS OF N-PROPIONYL …
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Aqueous (5%) Sodium bicarbonate. Used to wash the ether layer when washing in separatory funnel (note, the aqueous layer is discarded) Saturated aqueous sodium chloride. Also used to wash the ether layer when washing in separatory funnel. Hexanes. Triturates the triphenlymethanol.
Life Science Alliance
The combined organic extracts were washed thoroughly with saturated aqueous sodium bicarbonate solution and saturated aqueous sodium chloride solution, dried over magnesium sulfate, filtered and evaporated to yield a pale yellow gum (0.332g, 65%). Analysis of the crude aldol product by 400 MHz 1H NMR spectroscopy by integration of the doublets ...
[DOC File]How to Prepare LDA - University of Washington
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saturated aqueous sodium chloride (sat NaCl(aq)) saturated aqueous sodium bicarbonate (NaHCO3(aq)) anhydrous calcium chloride pellets (CaCl2(s)) 1 very large test tube, several small test tubes, 1 screw-cap vial, Pasteur pipettes. Procedure.
[DOC File]Expt #9: Organic Chemistry: Synthesis of Esters using ...
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The solvents were evaporated; saturated aqueous sodium bicarbonate solution (10 mL) was added to it at room temperature and extracted with ether (20 mL + 2x10 mL). The combined organic layers were washed with water followed by brine before drying and evaporating. The residue after evaporation was chromatographed on silica gel using ethyl ...
[DOCX File]Transfer Hydrogenation of Olive Oil
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The reaction mixture was extracted using ethyl acetate (100 ml × 2) and washed with saturated aqueous sodium bicarbonate solution (200 ml), dried over anhydrous MgSO. 4. The crude product was recrystallized with methanol and hexane solution, and the desired product, 5,6-dichloroindirubin-3`-methoxime was dried
[DOC File]1 - Web Pages
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Dissolve the solid in exactly 3 mL of dichloromethane. Add exactly 2 mL of a saturated sodium bicarbonate solution, cap the tube and shake. Let the mixture stand until two layers are formed. Remove the aqueous layer. Wash the organic layer twice more with exactly 2 mL of a saturated sodium bicarbonate solution.
Sodium bicarbonate
Saturated aqueous sodium bicarbonate pH 8 (to neutralize trace acid) 1N or 2N sodium hydroxide: pH 12 (to neutralize or basify) Brine: Removes residual water from the organic layer. The last wash in every workup . For Special Purposes: Sodium thiosulfate (10%): to remove bromine or iodine . Rochelle's salt (10%): to remove aluminum salts
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