Drawing the Major Organic Product for the Reaction Shown

One of the most important skills for organic chemists is being able to draw the major organic product for a given reaction. In this blog post, we’ll show you how to do just that for the reaction shown below.

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Introduction

The formation of organic products in reactions is one of the most important aspects of organic chemistry. In many cases, the starting materials and conditions for a reaction will dictate which product is formed. For example, the reduction of an aldehyde with LiAlH4 will always result in the formation of the primary alcohol product, whereas the use of NaBH4 will result in a mixture of products, including the formation of the secondary alcohol. As another example, the oxidation of an alkene with KMnO4 will almost always result in the formation of only one product, regardless of whether the starting material is cis or trans.

The Major Product

In organic chemistry, the major product of a reaction is the most stable product that can be formed from the given starting materials. The term “major product” is usually used in contrast to “minor product”, which is a less stable product that is formed in smaller yields.

In many reactions, the major product is not the only product that can be formed. In such cases, the other products that can be formed are called “side products”. Side products are usually less stable than the major product and are often formed in smaller yields.

The Reaction Mechanism

In organic chemistry, a reaction mechanism is the step by step sequence of events that take place during a chemical reaction. Each individual step is known as an elementary step, and it usually involves a single type of molecular entity (atom, molecule, or ion).

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The detailed mechanism for a particular organic chemical reaction is often not known with absolute certainty. Chemists use the technique of isotopic labeling to help determine the mechanism for complex reactions. The position of unstable intermediates can also be determined using nuclear magnetic resonance spectroscopy (NMR).

Once the general sequence of events in a reaction mechanism has been determined, it is then possible to draw the major organic product for the reaction shown.

The Stereochemistry of the Major Product

In stereochemistry, we often talk about the “cis” isomer and the “trans” isomer. The terms “cis” and “trans” come from the Latin words for “on the same side” and “on different sides”, respectively. In other words, the cis isomer has the two substituents on the same side of the molecule, while in the trans isomer, the substituents are on opposite sides of the molecule.

The vast majority of organic molecules exist as a single isomer, meaning that they have only one possible arrangement of their atoms in space. However, some molecules can exist as two or more isomers. For example, there are two possible arrangements of the following molecule:

CH3CH=CH2

These two isomers are called “cis-2-butene” and “trans-2-butene”. The cis isomer has both methyl groups on the same side of the double bond, while in the trans isomer, the methyl groups are on opposite sides of the double bond.

Conclusion

In conclusion, it is important to remember that the Major Organic Product for the Reaction Shown will be the one that is most stable. This means that it will have the least amount of energy and be the most thermodynamically favorable.

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