Final Exam Tutoring Sessions.
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- Learn a simplified mechanism for ALL alcohol oxidations
- Understand the different reagents used for alcohol oxidations (PCC/PDC, Jones etc.)
- π-bond electrophile properties: molecular orbitals and reactivity
- Assessing their electrophilicity of carbonyls and imines
- Ranking leaving groups for carbonyls
- Four detailed general mechanisms of carbonyl/imine chemistry in basic and acidic conditions
- Carbonyls/imines reactions in neutral/basic conditions (includes: Gringard reactions, NaBH4/LiAlH4 reductions, cyanohydrides, saponification, transesterification, amide formation)
- Carbonyls/imines reactions in acidic conditions (includes: hemi-acetal and acetal formation, imine formation)
- Learn to provide the major product without a mechanism
- A guide for complex carbonyl reactions: Wittig, Bayer-Villiger and Wolff-Kishner
CHM2120/2520: Alcohol Oxidation and Carbonyls
- How to read and extract information from IR spectra
- A simplified explanation of how NMR works
- 1H NMR solvents and how acid/base reactions can interfere with signals
- Main 1H NMR concepts such as chemical shift, equivalence, integration and multiplicity explained with examples (this includes simple coupling-tree diagrams)
- How to distinguish molecules using 1H NMR (always on midterms)
- Learn to draw 1H NMR spectra from a organic molecule
- A list of “1H NMR peak patterns” to help you identify structures!
- You will be provided with 1H NMR spectra and will solve with instructor (you will learn how an expert approaches these problems)
December 9, 2020 5:30 PM – 9:00 PM
- Assessing the acidity of α-hydrogen on carbonyls
- Tautomerization of enols/enolates under basic and acidic conditions
- Understanding kinetic vs. thermodynamic enolates/enamines
- Know WHEN to do a enolate/enamine reaction instead of attacking the carbonyl
- Understanding how to use an enolate/enamine against various electrophiles (includes alpha-alkylation and alpha-halogenation)
- Halogenation in basic and acidic conditions for enolates/enols
- Reacting enolates/enamines with carbonyls (ex. Aldol reaction/condensation, Claisen reactions)
- E1cb Elimination in Aldol reactions (Dehydration products)
CHM2120/2520: Enolate and Enamine Chemistry
- Review E2 mechanisms with different bases and conditions
- Review interpreting/drawing energy diagrams and transition states
- SN2 mechanism and applying the inversion rule to difficult questions
- Projecting SN2 reactions in their most stable conformation
- Differentiating between E2 vs. SN2 vs. E1 vs. SN1
- Trick questions to help you differentiate between these reactions on your midterm
- Important reactions from organic chemistry 1 needed for this course explained
- Relate bonding, non-bonding and antibonding molecular orbitals to E2/E1/SN2 and SN1
- Many examples from midterms/exams administered at uOttawa!
December 12, 2020 11:00 AM – 2:30 PM
- Review of important Organic 1 reactions needed for synthesis and retrosynthesis
- Reagents for SN and E reactions in synthesis/retrosynthesis
- Learn to move an alkene group over an alkyl chain
- Switch between carbonyls during synthesis questions
- Making retrosynthesis simpler using "reaction scars" technique
- Exam-like retrosynthesis questions from simple to complex
- Very helpful tutoring for anyone that needs to learn WHAT reagents to use to make final products from simple starting materials!
ABDULLAH AKBAR, PhD
Abdullah is a top-rated tutor with 7+ years of teaching experience.
As a recent PhD graduate from the University of Ottawa, he has worked along with many of the CHM 2120/2520 Professors. His lesson plans will always begin with must-know fundamental concepts and end with examples from previous midterms and final exam questions.
Recommended by 350+ uOttawa students. Join one of his review sessions and decide for yourself!