When Is a Crossed Claisen Reaction Between Two Different Esters

question 26

Multiple Choice

When is a crossed Claisen reaction between two different esters synthetically useful?

• A)When only one of the esters has a hydrogen atoms
• B)When both esters have a hydrogen atoms
• C)When only one of the esters has b hydrogen atoms
• D)When both esters lack a hydrogen atoms

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Definitions:

Cost

The value of money that has been used up to produce something or deliver a service, and hence is not available for use anymore.

Revaluation

An adjustment of the value of an asset to reflect its current market value rather than its cost value.

Useful Life

The estimated period over which an asset is expected to be usable by a company before it is fully depreciated.

Depreciation

The systematic allocation of the cost of a tangible asset over its useful life, reflecting the asset's consumption or wear and tear.