Stereochemistry Essays

Stereochemistry Essays-50
In living organisms chiral molecules are usually present in only one of their chiral forms.For Example the amino acids that make up proteins are only found as their L iosmers whereas glucose only occurs as its D isomer.These are just a few of the numerous example of the important role stereoisomers play in a biological system and in our everyday lives.

In living organisms chiral molecules are usually present in only one of their chiral forms.For Example the amino acids that make up proteins are only found as their L iosmers whereas glucose only occurs as its D isomer.These are just a few of the numerous example of the important role stereoisomers play in a biological system and in our everyday lives.

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[pic] shown above is an example of the two types of Stereoisomers; Enantiomers, which are stereioisomers which are non-superimposible mirror images, much the same as one’s left and right hands are the same apart from the fact they have opposite orientation.

Diastereomers, which are stereoisomers that are not Enatiomers, they occur when two or more stereoisomers of a compound have different configurations at one or more, (but not all) of the stereocenters and are not mirror images.

The Thalidomide crisis in the 1950’s/1960’s shows this well.

Originally Prescribed as a sleeping pill it was found to lessen the effects of morning sickness in pregnant women.Because of this fact mass amounts of research has gone into finding ways to produce compounds that are purely one stereoisomer.But not all stereoisomers are in such sharp contrast (Positive/Negative).Therefore it is not surprising that they have a ‘built in bias’.Thus, it can be said that isomer are important due to the fact that our entire biology, and that of every organism on the planet, is built on them.For example, the site cannot determine your email name unless you choose to type it.Allowing a website to create a cookie does not give that or any other site access to the rest of your computer, and only the site that created the cookie can read it.Another good example of the importance of stereochemistry is pharmaceutical production and the break down of drugs in the body.Most drugs are often composed of a single stereoisomer of a compound, and while one stereoisomer may have positive effects on the body the other may have negative effects. The PDFs of my revision notes are at the bottom of the page but I thought some of you might like to know how I prepared for sitting the GAMSAT in March 2017. Obviously, the first thing I looked up was the price of text books/prep courses.BIOLOGY The Eukaryotic Cell, Plasma Membrane, The Cell's Interior, DNA, The Cell Cycle, Protein Synthesis, Viruses, Prokaryotes vs.

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