CHEM353 Weekly Bulletin

CHEM353 WEEKLY BULLETIN

CHEM353W26 Organic Chemistry II
last modified :

The best preparation for CHEM353 is a solid grasp of all that went before, especially the core concepts from Chem 351: you will need to know those materials.

Here is the link to the CHEM353W26 semester calendar

LABORATORY

Remember that your models Moodle activity is due by the start of your next scheduled laboratory session.
This week in the laboratory, you will be performing an aldol reaction (this will require / refresh basic 351 laboratory skills).
In preparation for the aldol experiment, you will need to write and submit the pdf of your pre-lab summary to the appropriate D2L Dropbox (see the laboratory manual for more details, section 7, p8).
You will also need to complete the pre-lab quiz in Moodle (opens 06:00 the day before your laboratory section and is due 30 mins before your scheduled laboratory session).
You are reminded that you must be compliant with the Dept of Chemistry Laboratory Safety course (see D2L) before you are allowed to complete wet chemistry laboratory work.
Safety ! Be dressed appropriately, have your safety glasses and laboratory safety coat to wear while working in the laboratory (mandatory).
No food or drink is allowed at any time in a laboratory environment.
Chem353W26 laboratory coordinator is Dr Hunt.
All questions related to CHEM353 laboratory in general should be directed to the laboratory coordinator.
The CHEM353W26 student laboratory manual can be found here.
The schedule of Chem353W26 laboratory experiments can be found here.

CAL TUTORIALS

Tutorial activities and Moodle work started last week when you are expected to attend your registered tutorial section (log in, enroll, usage policy, drawing tool).
This week write CAL353 assignment 1 (Chem 351 review) is to be written in wk 3 (Jan 26-30, 2026).
Remember that you are required to write your assignment during your scheduled CAL time.
During times when students are writing assignments, only students working on assignments are allowed in the CAL room SA 204.
Official picture ID is required (place it on the PC tower while you are writing your assignment).
CAL assignments are to be written under exam conditions (see course information sheet or Moodle policy, check with the CAL TA before starting work if you have any doubts).
We provide the scrap paper (which must be handed in at the end : recycling box at the front).
Periodic tables and spectroscopy tables are provided within Moodle. Model kits and simple calculators are alowed. No other resources (paper or electronic) are allowed.
In terms of tutorials, if you miss or will miss your tutorial in a
- non-assignment week either (a) make up the missed time remotely on your own or (b) drop in to a 353 tutorial at another time (access is first come, first served for non-registered students).
- assignment week then complete this form based on the information here (to report absence and request excused absence)

L01 LECTURE topics week by week (the etext links are the potentially valuable details here). The yellow box represents the current week and the table will grow each week to provide a record of where we have been.

Wk 3
(Jan 26-30)

Introduction to addition reactions. Transformations, regiochemistry, and stereochemistry.
Catalytic hydrogenations of alkenes and alkynes.
Hydrohalogenation : addition of HX (HCl, HBr, HI) to alkenes to give alkyl halides (inc. radical addition of HBr)
Markovnikov's Rule - origins of the empirical observation (i.e. intermediate stability).
Hydrohalogenation : addition of HX to alkynes to give vinyl halides and alkyl dihalides.
Radical addition of HBr to alkynes.
Hydration of alkenes : addition using H3O+ (i.e. aqueous acid) to give alcohols
Hydroboration / oxidation of alkenes

These topics are covered in content modules 04, 05A, B TBA (D2L content folder, to be updated as we progress)

Wk 2
(Jan 19-23)

etext Ch 7: stereochmistry review, optical activity, polarimetry, specific rotation. Fischer projections.

etext Ch 6 Addition reactions of alkenes and etext Ch 9 addition reactions of alkynes
Start with a quick review of alkenes and alkynes: alkene nomenclature, alkyne nomenclature, structure, phys. properties, preparations of alkenes and alkynes.
Alkene and alkyne reactivities: what is their role in reactions ? Introduction to addition reactions. Transformations, regiochemistry, and stereochemistry.

Corresponds to video content modules 02A, B & C (Optical Activity 1-3) + 03A & B (D2L content folder)

Wk 1
(Jan 12-16)

Introduction to Organic Chemistry II. What to expect, what to do, what not to do etc.
A little review of a few issues : key concepts from 351 Organic chemistry concept map, the families of reaction mechanisms, learning reactions.

etext Ch 7: Isomer types (review), Optical activity, polarimetry, specific rotation. Fischer projections.

Corresponds to video content modules 00A & B ("Intro & Prep" ), 01 (Learning Reactions), 02A (Optical Activity 1) (D2L content folder)

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