Friday 21 February 2014

H2/3 Chemistry - Learn These Common Out-Of-Syllabus A Level Org Chem Reactions And Answer Such Questions With Greater Confidence

Hi guys, as you know, your JC chem departments loves to set you plenty of questions which come from undergrad books! Below is a list of common out-of-syllabus concepts for org chem we think you'll see over-and-over again in school tests and worksheets, so they'll be useful for you to know!

Although not compulsory, having a little understanding of these concepts helps you answer the "Suggest" type of questions with more confidence. Eg. "suggest the mechanism for the epoxide formation", "suggest a role of Mg in the Grignard reaction"

1. Thermodynamic vs Kinetic Control and how it may affect addition and elimination for example
2. Oxymercuration-demercuration
3. Hydroboration-oxidation
4. Preparation and Reduction of Alkynes
5. Ozonolysis of Alkenes and Alkynes
6. Acidity of Terminal Alkynes
7. Allylic bromination
8. Grignard reagents
9. Uses of Crown Ethers
10. Formation of epoxides (skip to the intramolecular SN2 reaction part)
11. Diels-Alder reaction
12. The Benzyne intermediate
13. Imine and Enamine formations from Carbonyls
14. Protecting groups
15. Claisen condensation
16. Michael reaction
17. Hofmann elimination
18. HVZ reaction

This list probably isn't exhaustive, but we'll continue to update it :)


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