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A Michael reaction is used as a mechanistic step by many covalent inhibitor drugs. Cancer drugs such as ibrutinib, osimertinib, and rociletinib have an acrylamide functional group as a Michael acceptor. The Michael donor on the drug reacts with a Michael acceptor in the active site of an enzyme. This is a viable cancer treatment because the ...
A security concern with any remote entry system is a spoofing technique called a replay attack, in which a thief records the signal sent by the key fob using a specialized receiver called a code grabber, and later replays it to open the door.
The Stork enamine alkylation involves the addition of an enamine to a Michael acceptor (e.g., an α,β -unsaturated carbonyl compound) or another electrophilic alkylation reagent to give an alkylated iminium product, which is hydrolyzed by dilute aqueous acid to give the alkylated ketone or aldehyde. [1]
The post 10 Secret Uses for Your Car Key Fob appeared first on Reader's Digest. This piece of plastic may be little, but can help you do more than just unlocking your car.
In the Michael reaction, the ketone is deprotonated by a base to form an enolate nucleophile which attacks the electron acceptor (in red). This acceptor is generally an α,β-unsaturated ketone, although aldehydes, acid derivatives and similar compounds can work as well (see scope). In the example shown here, regioselectivity is dictated by the ...
Suitably soluble Michael acceptors are toxic, because they alkylate DNA by conjugate addition. Such modification induces mutations, which are cytotoxic and carcinogenic. However, glutathione is also able to react with them and for example dimethyl fumarate reacts with it. [citation needed]
These key fobs allow car owners to unlock the door, start the engine or even open the trunk from far away. But that's not all. "You may think of your car key as little more than a tool to start ...
NEM is a Michael acceptor in the Michael reaction, which means that it adds nucleophiles such as thiols. The resulting thioether features a strong C-S bond and the reaction is virtually irreversible. Reaction with thiols occur in the pH range 6.5–7.5, NEM may react with amines or undergo hydrolysis at a more alkaline pH.