enolate वाक्य
उदाहरण वाक्य
मोबाइल
- The enol or enolate ) followed by non-sterespecific reprotonation.
- :: Yeah I just started studying enol / enolate reacitons.
- THF and DMSO are common solvents in lithium enolate reactions.
- The Z enolate was created to avoid the allylic strain with oxazolidinone.
- The reaction centers around an imine-lithium enolate cycloaddition.
- It catalyzes a trans-dehydration using an enolate intermediate.
- In the first step the enolate of glucose is formed.
- The chiral ketene enolate nucleophile attacks electrophilic carbon of the imine group.
- The Stork method also uses enone as a masked functionality of enolate.
- The enolate product can either be trapped or alkylated.
- Enolate trapping with various electrophiles is decidedly less common.
- Pollack uses a thermodynamic argument to suggest the intermediate exists as the enolate.
- The next step is a redox reaction of the enolate with methylene blue.
- Chiral acyclic alkenes also show diastereoselectivity upon reactions such as epoxidation and enolate alkylation.
- Thus, enolate ions can react with electrophiles either on oxygen or on carbon.
- The enolate intermediate then attacks CO 2 transiently released from the enzyme linked biotin molecule.
- This enolate cyclizes to a cyclopropanone intermediate which is then attacked by the hydroxide nucleophile.
- The trisubstituted enolate is considered the triphenylmethyllithium at room temperature, giving 10 : 90 selectivity.
- Reacting enone with lithium metal generates the enolate at the ?-carbon of the enone.
- An example of a carbanionic synthon for an ester enolate is shown in fig . 1.
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