Enones (a,B-unsaturated carbonyls) act as electrophiles. Consider the enone starting material given below, and choose the reagent(s) from the list that is needed to perform each transformation shown. Type the reagent(s) into the corresponding box. Do not use subscripts. If a reaction requires multiple reagents, they should be entered in alphabetical order and separated by commas. Assume that an aqueous workup automatically occurs if needed. (Use the Reagent Cabinet List as a reference for correct formatting of your answers.) Enone Starting Material: Reagent List NaH CH3COCH3, heat, NaOH LICH(CH3)2 LiCu(CH2CH3)2 BrMgCH2CH3 LIAIH4 CH3COCH2CH3, heat, NaOH KOC(CH3)3 Starting Materials Product Lon Enone + Enone + но Enone + Enone + Enone +
Catalysis and Enzymatic Reactions
Catalysis is the kind of chemical reaction in which the rate (speed) of a reaction is enhanced by the catalyst which is not consumed during the process of reaction and afterward it is removed when the catalyst is not used to make up the impurity in the product. The enzymatic reaction is the reaction that is catalyzed via enzymes.
Lock And Key Model
The lock-and-key model is used to describe the catalytic enzyme activity, based on the interaction between enzyme and substrate. This model considers the lock as an enzyme and the key as a substrate to explain this model. The concept of how a unique distinct key only can have the access to open a particular lock resembles how the specific substrate can only fit into the particular active site of the enzyme. This is significant in understanding the intermolecular interaction between proteins and plays a vital role in drug interaction.
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