aldol condensation वाक्य
उदाहरण वाक्य
मोबाइल
- The mechanism of ring closure is complex, but involves an aldol condensation at C-2 and C-7.
- The last step is an elimination ( Aldol condensation ) reaction with an E 1 " CB " mechanism.
- Next, this intermediate undergoes an aldol condensation to form the proposed bicyclic intermediate ( "'5 "').
- The data from Taura s study of OLS's enzyme kinetics show that OLS catalyzes a decarboxylative-aldol condensation to produce olivetol.
- The C-H groups adjacent to the carbonyl in thioesters are mildly acidic ( more so than in esters ) and undergo aldol condensations.
- The aldol condensation is an intramolecular process that creates the namesake ring of the Robinson annulation product going from step C through to step F.
- The high proportion of byproducts and low yield are explained by the easily reversible nature of the aldol condensation, and carbonyl chemistry in general.
- 2-Propyl-2-heptenal is obtained from pentanal by aldol condensation, which is di-2-propylheptyl phthalate ( DPHP ).
- You may also want to protect your aldehyde once it is made; else you may end up with unwanted side reactions like the Aldol condensation.
- Zinc enolates, prepared from alkali metal enolates and ZnCl 2, provide control of stereochemistry in aldol condensation reactions due to chelation on to the zinc.
- Though primary alcohols can be oxidized under Oppenauer conditions, primary alcohols are seldom oxidized by this method due to the competing aldol condensation of aldehyde products.
- The butadiene production method, which was based on aldol condensation of acetaldehyde ( 1905 ), was also implemented on industrial scale in Germany in 1936.
- Butyraldehyde is converted on an industrial scale to 2-Ethylhexanol, a precursor to PVC plasticizers, by aldol condensation, followed by hydrogenation of the resulting hydroxyaldehyde.
- Barium hydroxide is occasionally used in organic synthesis as a strong base, for example for the hydrolysis of esters and nitriles, and as a base in aldol condensations.
- It was synthesized under the hypothesis that a polyanionic cyclization ( double Michael addition followed by aldol condensation ) would allow access to a tetracyclic intermediate with the desired functionality.
- 3, 4-AHBAm is made via the aminoshikimate pathway from L-Aspartate-4-semialdehyde and Dihydroxyacetone phosphate via an enzyme catalyzed aldol condensation followed by ring formation.
- The initially produced aldehydes can react further by aldol condensation to either target product precursors like 2-ethylhexene-al or higher molecular weight condensation products, so-called thick oil.
- Aldol condensation can occur when acetyl cyanide reacts with ( Z )-but-2-enal to form ( 2E, 4E )-hexa-2, 4-dienoyl cyanide:
- The name "'aldol condensation "'is also commonly used, especially in biochemistry, to refer to just the first ( addition ) stage of the process the aldol reaction itself as catalyzed by aldolases.
- When the ?, ?-unsaturated carbonyl compound is prepared in situ from two carbonyl compounds ( via an Aldol condensation ), the reaction is known as the "'Beyer method for quinolines " '.
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