CHEM 261 - Organic Chemistry I

3 units (fi 6)(EITHER, 3-0-3)

Open Study: Spring / Summer

Faculty of Science

The correlation of structure and chemical bonding in carbon compounds with the physical properties and chemical reactivity of organic molecules. Discussion will be based on functional groups with emphasis on hydrocarbons and derivatives that contain halogens, oxygen, sulfur, nitrogen, and the hydroxy group. Introduction to stereochemistry, three dimensional structure, reaction mechanisms, especially addition to double bonds, nucleophilic substitution and elimination reactions. Prerequisite CHEM 101 or 103. Note: Students who have obtained credit for CHEM 264 cannot take CHEM 261 for credit. Engineering students who take this course will receive 4.5 units.

No syllabi

Fall Term 2026

Lectures

Section Capacity Class times Login to view Locations
LECTURE A1
(53475)
154
2026-09-01 - 2026-12-08 (MWF)
09:00 - 09:50
Primary Instructor: Wesley Chalifoux
LECTURE A2
(53476)
173
2026-09-01 - 2026-12-08 (TR)
12:30 - 13:50
Primary Instructor: John Vederas
LECTURE A3
(53477)
268
2026-09-01 - 2026-12-08 (MWF)
12:00 - 12:50
Primary Instructor: DLJ Clive
LECTURE EA1
(51379)
98
2026-09-01 - 2026-12-08 (MWF)
09:00 - 09:50
Primary Instructor: Wesley Chalifoux
LECTURE EA2
(51380)
77
2026-09-01 - 2026-12-08 (TR)
12:30 - 13:50
Primary Instructor: John Vederas
LECTURE EA3
(56707)
30
2026-09-01 - 2026-12-08 (MWF)
12:00 - 12:50
Primary Instructor: DLJ Clive

Labs

Section Capacity Class times Login to view Locations
LAB EF1
(51381)
30
2026-09-01 - 2026-12-08 (T)
08:00 - 10:50
LAB EG1
(51382)
60
2026-09-01 - 2026-12-08 (T)
14:00 - 16:50
LAB EH1
(56702)
20
2026-09-01 - 2026-12-08 (W)
08:00 - 10:50
LAB EJ1
(51383)
30
2026-09-01 - 2026-12-08 (W)
14:00 - 16:50
LAB EK1
(54780)
4
2026-09-01 - 2026-12-08 (R)
08:00 - 10:50
LAB EL1
(51661)
40
2026-09-01 - 2026-12-08 (R)
14:00 - 16:50
LAB EM1
(59000)
10
2026-09-01 - 2026-12-08 (F)
08:00 - 10:50
LAB EN1
(51693)
20
2026-09-01 - 2026-12-08 (F)
14:00 - 16:50
LAB F1
(53478)
89
2026-09-01 - 2026-12-08 (T)
08:00 - 10:50
LAB G1
(53479)
60
2026-09-01 - 2026-12-08 (T)
14:00 - 16:50
LAB H1
(53480)
80
2026-09-01 - 2026-12-08 (W)
08:00 - 10:50
LAB J1
(53481)
69
2026-09-01 - 2026-12-08 (W)
14:00 - 16:50
LAB K1
(53482)
96
2026-09-01 - 2026-12-08 (R)
08:00 - 10:50
LAB L1
(53483)
59
2026-09-01 - 2026-12-08 (R)
14:00 - 16:50
LAB M1
(58648)
44
2026-09-01 - 2026-12-08 (F)
08:00 - 10:50
LAB N1
(53484)
99
2026-09-01 - 2026-12-08 (F)
14:00 - 16:50

Winter Term 2027

Lectures

Section Capacity Class times Login to view Locations
LECTURE B1
(78653)
195
2027-01-04 - 2027-04-09 (MWF)
14:00 - 14:50
Primary Instructor: Lara Mahal
LECTURE B2
(78654)
195
2027-01-04 - 2027-04-09 (TR)
11:00 - 12:20
Primary Instructor: John Vederas
LECTURE B3
(78655)
195
2027-01-04 - 2027-04-09 (TR)
12:30 - 13:50
Primary Instructor: DLJ Clive
LECTURE B4
(83638)
135
2027-01-04 - 2027-04-09 (MWF)
09:00 - 09:50
Primary Instructor: Rik Tykwinski
LECTURE EB1
(81689)
20
2027-01-04 - 2027-04-09 (MWF)
14:00 - 14:50
Primary Instructor: Lara Mahal

Labs

Section Capacity Class times Login to view Locations
LAB EG1
(81690)
20
2027-01-04 - 2027-04-09 (T)
14:00 - 16:50
LAB EH1
(81691)
0
2027-01-04 - 2027-04-09 (W)
08:00 - 10:50
LAB EN1
(81692)
0
2027-01-04 - 2027-04-09 (F)
14:00 - 16:50
LAB F1
(78656)
120
2027-01-04 - 2027-04-09 (T)
08:00 - 10:50
LAB G1
(78657)
80
2027-01-04 - 2027-04-09 (T)
14:00 - 16:50
LAB H1
(78658)
80
2027-01-04 - 2027-04-09 (W)
08:00 - 10:50
LAB J1
(78659)
80
2027-01-04 - 2027-04-09 (W)
14:00 - 16:50
LAB K1
(78660)
99
2027-01-04 - 2027-04-09 (R)
08:00 - 10:50
LAB L1
(78661)
100
2027-01-04 - 2027-04-09 (R)
14:00 - 16:50
LAB M1
(78662)
60
2027-01-04 - 2027-04-09 (F)
08:00 - 10:50
LAB N1
(78663)
100
2027-01-04 - 2027-04-09 (F)
14:00 - 16:50