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Friday
Oct122012

Stereochemistry ; Cahn-Ingold-Prelog

 

A step-by-step guide to using the Cahn-Ingold-Prelog rules for assigning stereochemical identity to alkenes (Chapter 5) and chiral molecules (Chapter 7).
Monday
Sep242012

Bimolecular Substitution at sp3C

 

The second mechanism that we study is the other possibility for nucleophilic substitution at sp3 carbon. In this case the carbocation cannot form (too unstable) but the electrophilic C is now accessible enough to be attacked by the nucleophile in a bimolecular displacement. ​

Sunday
Sep162012

Unimolecular Substitution at sp3 C

 

The first organic reaction that we study in detail is the unimolecular substitution at sp3 carbon in which an alcohol is converted to an alkyl halide. This video takes you through the mechanism in steps and described the bond-forming and bond-breaking events in detail. ​

Saturday
Sep152012

Alcohol & Alkyl Halide Nomenclature

 

 

An introduction to naming alcohols and alkyl halides with examples of acyclic and cyclic molecules as well as several quiz questions that will test your knowledge.

Thursday
Sep132012

Conformational Analysis



Detailed discussion of conformational analysis of acyclic and cyclic compounds; use of Newman depictions to explore favourable and unfavorable interactions between groups on neighbouring atoms. Ring-flips in cyclohexane systems and the structures and names of bicyclic compounds.