Meso Compound-Definition And How It Formed?

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Meso compound are axillary compounds with many chiral centers. It adds to the mirror image and is optically inactive despite its stereocenters. The human body is essentially made of meso compounds. But, what exactly are meso compound? Are they better for you than the other chemical compounds like amino acids and vitamins? What are their benefits? Let us look at all these questions and find answers to them.


This is a blog on what meso compounds are and why they are important to the body.
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Generally, a miso combination should have two or more identical alternate stereo hubs. It also has an internal plane of symmetry that cuts the joint in half. These two components reflect each other through an interior mirror. The stereochemistry of stereocenters must be “removed”.

This means that when there is an internal plane separating the junction into two symmetrical sides, the left and right sides of the stereochemistry should be opposite each other and thus not optically active. Cyclic compounds can also be meso.

What Are Compound?

Compounds are the molecules that make up the body of a living organism. Some of these are called macromolecules, while others are called meso compound. In the human body, these are composed of various amino acids like glutamic acid, proteins, fatty acids, and carbohydrates. This article will discuss these types of compounds and their importance to the human body.

What Is A meso compound?

A meso compound or meso compound is a molecule where there are two atoms of the same element bonded together. The word meso is derived from the Greek word mesos that means middle. In chemistry, the word meso is used to describe the molecules which are bonded between two chiral molecules and have a plane of symmetry.

How are they formed?

Meso compound is formed when a molecule consists of a chiral carbon atom such that a mirror image of it is not superimposable on it. In other words, it is a carbon atom that has 4 different substituents. For example, l-cresol and d-cresol are mirror images of each other, but they have different chemical and physical properties. Thus, they are meso compounds.

Meso compound is formed when there to chiral centers are present in the molecule. One of the chiral centers is then associated with another molecule (smaller or bigger) through a bond to give it a chair conformational angles of one or the other.




  • If A is a miso combination, it must have two or more stereo connections, internal planes, and R and S stereochemistry.
  • Find the inner plane or inner mirror in the middle of the composition.
  • Stereochemistry (for example, R or S) is crucial to determine whether it is a meso compound. As mentioned above, meso compounds are optically inactive, so their stereochemistry must be eliminated. For example, a meso with two stereo connections cancels out R, S in a combination.


How do meso compounds differ from their polymers?

Polymers are oligomers that are linked together. In order for a polymer to be considered a meso compound, the functional groups, the repeating units themselves, must all be the same. To be an example of a meso compound, the repeating units of a polymer must be identical, and the linkage must not be amorphous.

Both meso compound and polymers are formed by the polymerization of monomeric substances. There is no difference in their chemical constitution or in their mode of formation. The main difference between them is in the size of the molecule. Polymer molecules are much larger than meso compounds. Sometimes they are so large that they cannot be seen by the naked eye. That’s why they are called macromolecules.


Meso compound can take various forms such as pentane, butane, heptane, and cyclobutane. They don’t necessarily have two stereo hubs, but they can be optional.

The atom has a plane of symmetry (a vertical plane running vertically along the plane of the red dashed line) and is therefore finite, but has two radial centers. Therefore, it is a meso combination.




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