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what is the reaction mechanism between wagner's reagent and alkaloids

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Related Questions

What is the mechanism of the reaction between Wagner's reagent and an alkaloids?

Wagner's reagent, which is an aqueous solution of iodine and potassium iodide, reacts with alkaloids containing nitrogen atoms to form a brown complex. This reaction is based on the oxidation of the nitrogen atoms in the alkaloids by iodine, resulting in the formation of the colored complex. The intensity of the brown color can be used to detect the presence of alkaloids in a given sample.


What the reaction mechanism between the m-phenylenediamine and trimesoylchloride?

The reaction mechanism between these two chemicals involved an aromatic carbon. The typical classification of this reaction is called a condensation.


What is the mechanism of the reaction between mayer's reagent and an alkaloid?

[HgI4]-(aq) reacts with the lone pairs of nitrogen that are present, then the typical off-white precipitate falls out. A uncharged mercury salt is thus obtained. In some alkaloids there isn't a reaction with Mayer's reagent because it lacks lone pairs (example berberine) and it reacts also with alkaline peptides. This mechanism is actually similar then Dragendorff's reagent.


What is the reaction mechanism between an acid chloride and a Grignard reagent?

The reaction mechanism between an acid chloride and a Grignard reagent involves the nucleophilic addition of the Grignard reagent to the carbonyl carbon of the acid chloride, followed by the elimination of the chloride ion to form a ketone. This reaction is known as the Grignard reaction.


What is the chemical reaction mechanism between maleic anhydride and anthracene?

The chemical reaction mechanism between maleic anhydride and anthracene involves a Diels-Alder reaction, where the maleic anhydride acts as the dienophile and the anthracene acts as the diene. This reaction forms a cyclic compound called anthracene-maleic anhydride adduct.


What reaction mechanism is involved in the reaction between ethanol and benzoic acid?

The reaction between ethanol and benzoic acid typically proceeds via an acid-catalyzed esterification reaction. In this mechanism, a protonation step occurs, followed by a nucleophilic attack of the ethanol oxygen on the carbonyl carbon of benzoic acid, leading to the formation of ethyl benzoate.


What is the principle for dragendorff?

The Dragendorff reagent principle is based on the formation of an insoluble complex between bismuth iodide and alkaloids, which results in a distinctive orange to reddish-brown color precipitation. This reaction is commonly used in chemistry and biochemistry to detect the presence of alkaloids, specifically in plant extracts.


What is difference between alkaloids and alkali?

Alkaloids are naturally occurring organic compounds containing nitrogen and typically have pharmacological effects, while alkali refers to a basic substance that can neutralize acids and has a pH greater than 7. Alkaloids are found in plants and some animals and have various physiological effects, while alkalis are a class of compounds that can accept protons or donate electrons in a chemical reaction.


What is the mechanism of the reaction between an epoxide and NaCN?

When an epoxide reacts with NaCN, the mechanism involves the nucleophilic attack of the cyanide ion on the epoxide carbon, leading to the formation of a cyanohydrin product. This reaction is typically carried out in a basic solution to facilitate the nucleophilic attack.


Mechanism for the formation of the semicarbazone derivative?

The semicarbazone derivative is formed by the reaction between a ketone or aldehyde with semicarbazide in the presence of acid catalyst. The mechanism involves nucleophilic attack of the semicarbazide nitrogen on the carbonyl carbon, followed by elimination of water to form the semicarbazone derivative.


What is the mechanism of the oxidation reaction between a ketone and MCPBA?

The oxidation reaction between a ketone and MCPBA involves the transfer of an oxygen atom from MCPBA to the ketone, resulting in the formation of an ester. This process is known as Baeyer-Villiger oxidation.


What is the dehydration reaction that forms bonds between molecules?

The dehydration reaction that forms bonds between molecules is typically a condensation reaction. In this process, a water molecule is removed to form a bond between two molecules. It is a common mechanism for building larger molecules like proteins, carbohydrates, and nucleic acids.