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Esterification

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In the <jmol><jmolLink><script>anim mode once; frame range 11 19; delay 0.5; frame play</script><text>second step</text></jmolLink></jmol> the alcohol attacks the protonated carbonyl group to create a tetrahedral intermediate structure.
In the <jmol><jmolLink><script>anim mode once; frame range 11 19; delay 0.5; frame play</script><text>second step</text></jmolLink></jmol> the alcohol attacks the protonated carbonyl group to create a tetrahedral intermediate structure.
In the <jmol><jmolLink><script>anim mode once; frame range 20 41; delay 0.5; frame play</script><text>third step</text></jmolLink></jmol> a proton is lost at one oxygen atom and bonds to another oxygen atom.
In the <jmol><jmolLink><script>anim mode once; frame range 20 41; delay 0.5; frame play</script><text>third step</text></jmolLink></jmol> a proton is lost at one oxygen atom and bonds to another oxygen atom.
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In the <jmol><jmolLink><script>anim mode once; frame range 41 50; delay 0.5; frame play</script><text>fourth step</text></jmolLink></jmol> water molecule leaves the structure.
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In the <jmol><jmolLink><script>anim mode once; frame range 41 50; delay 0.5; frame play</script><text>fourth step</text></jmolLink></jmol> a water molecule leaves the structure.
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In the <jmol><jmolLink><script>anim mode once; frame range 51 59; delay 0.5; frame play</script><text>fifth step</text></jmolLink></jmol> .
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In the <jmol><jmolLink><script>anim mode once; frame range 51 59; delay 0.5; frame play</script><text>fifth step</text></jmolLink></jmol> a proton (H+) transfers to a base and ester is formed.
[[Image:Esterification Mechanism.png|550px]] <br>
[[Image:Esterification Mechanism.png|550px]] <br>

Revision as of 12:37, 20 July 2021

Esterification of fatty acid with ethanol

Drag the structure with the mouse to rotate

See also

SN1 reaction: Substitution of Cl− and tert-Butanol
SN2 reaction: substitution of Cl− and methanol

References

  1. ↑ ChiLe Web Site

Proteopedia Page Contributors and Editors (what is this?)

Veronika Pelekhov, Joel L. Sussman, Jaime Prilusky

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