Wednesday, 19 July 2023

Solvents and Additives that Qualitatively Modify the Comparative Reactivity of Hydride Reducing Agents

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Sodium borohydride, lithium aluminum hydride, and sodium bis(methoxyethoxy)aluminum hydride (Vitride) are the most common hydride-reducing a...
Friday, 14 July 2023

Filtering and Washing Organic Crystalline Solids

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  The filtration rate for recovering organic solids from organic liquids in the laboratory is not normally a concern. However, in the plan...
Tuesday, 9 May 2023

Common Organic Functional Group Derivatives that Facilitate Work-up, Separation, and Purification

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  The most common functional groups in organic molecules all have some reversible derivatives that exhibit acidic, basic, or heavy metal c...

Testing Catalysts and Inhibitors to Change the Ratio of a Desired Product and an Undesired Coproduct

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Suppose you are working with a reaction step that is providing, rather cleanly, a mixture of two products-- the desired one and an undesire...

Acid Traps & Acid Acceptors for Use in Organic Reactions to Remove any strongly Acidic Coproduct

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  If a chemical reaction produces as a co-product a small strongly acidic molecule, the equilibrium of that reaction can be disturbed towar...
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Glycerol: A Possibly General Method for Changing Solvents in Process Chemistry Reactors

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In the laboratory completely changing the solvent that has dissolved within it any mixture of solutes to a different solvent (so long as t...
Thursday, 4 May 2023

Improving Phase Separation for Extractions in the Presence of Insoluble Debris

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Patent US 5,628,906 explains how to perform rapid liquid-liquid extractive separations in unfavorable situations where there is insoluble...