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what is the reaction mechanism between wagner's reagent and alkaloids
The reaction mechanism between these two chemicals involved an aromatic carbon. The typical classification of this reaction is called a condensation.
what is the reaction mechanism between acrylic acid,4-vinyl pyridine
electrophilic substitution. and UV light or heat is required to all the reaction to proceed
[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.
Click the related link below to see the mechanism for the condensation reaction between semicarbazide and a carbonyl compound to form semicarbazone.
process is process and mechanism is mechanism.
Alcohol, particularly ethanol, is a depressant. Caffeine is a stimulant and is an alkaloid.
The difference between a reflex and a feedback mechanism is that the former is done without action by the brain but the latter is consciously done with feedback from the brain. A reflex is the reaction to external stimuli. Feedback to the brain can be given due to external or internal (within the body) reason.
Magnesium and EDTA react very quickly through a highly energized ionization reaction in which the EDTA can lose up to 4 hydrogens. The powerful ionization drives the reaction to completion. You can titrate the magnesium and calculate the point of reaction to better understand the mechanism
The ratchet mechanism
A dynamic equilibrium between reactants and products is indicated by a double-headed arrow or two arrows lying on top of each other and pointing opposite directions.