Organic Chemistry Fundamentals for Forensic Laboratory Research: Course Syllabus and Study Guide

Study Guide - Smart Notes

Tailored notes based on your materials, expanded with key definitions, examples, and context.

Course Overview

Introduction

This course provides a foundational understanding of organic chemistry with a focus on its applications in forensic laboratory research. Students will explore the structure, properties, and reactivity of organic molecules, including biologically relevant compounds such as sugars, nucleic acids, and proteins. The course emphasizes the ability to interpret molecular structures, understand reaction mechanisms, and apply stereochemical concepts, all of which are essential for both chemistry and biology within forensic contexts.

Learning Objectives

Nomenclature: Assign correct IUPAC names to various classes of organic compounds (alkanes, haloalkanes, mono-, di-, and polysaccharides, amino acids) and deduce structures from names.
Stereochemistry: Draw and name different conformations and configurations using structural formulas, Newman projections, stereochemical descriptors, and energy diagrams.
Reaction Mechanisms: Illustrate and explain the mechanisms and energy diagrams of nucleophilic substitution (SN2, SN1) and elimination (E1, E2) reactions, and predict which mechanism occurs under given conditions.
Stereochemical Principles: Apply key concepts such as chirality, Cahn-Ingold-Prelog rules, optical activity, Fischer projections, diastereomers, enantiomers, L- and D-configuration, epimers, α- and β-sugars, and mutarotation.
Nucleic Acids: Identify and draw the structures of nucleic acids and explain base pairing.
Amino Acids and Proteins: Draw the general structure of amino acids and proteins, predict properties based on functional groups (e.g., isoelectric point), and describe protein structure levels and synthesis/analysis methods.

Course Content and Structure

Textbook

Primary Text: Wade, L.G. Jr, Organic Chemistry, Pearson New International Edition, 9th Edition (2014). The 8th edition is also acceptable.
Lecture slides are in English; lessons and assessments are in Dutch.

Teaching Methods

Video lectures covering theoretical material.
Homework assignments for practice.
In-class discussions and interactive sessions with the instructor.
Total workload: 56 hours (2 EC), including study, assignments, and exam preparation.

Weekly Program Overview

Lesson	Topics	Textbook Chapters	Key Assignments
1	Alkanes: Properties, Conformations, Energy	Ch. 3 (3.1–3.16)	3.3cd, 3.4ef, 3.6a, 3.8b, 3.12, 3.15b, 3.17ad, 3.19, 3.22, 3.25c, 3.27, 3.28, 3.31c, etc.
2	Reaction Mechanisms, Nucleophilic Substitutions	Ch. 4 (4.5–4.12), Ch. 6 (6.1–6.5, 6.7–6.9)	4.10, 4.11, 4.12, 4.14, 4.15, 6.1def, 6.3df, 6.11, 6.12ac, 6.14abc, 6.15aceg, etc.
3	Nucleophilic Substitutions, Eliminations	Ch. 6 (6.10–6.16), Ch. 7 (7.6, 7.9–7.12, 7.16–7.17), Ch. 8 (8.1, 8.2, 8.10)	6.18, 6.19be, 6.22, 6.23bc, 6.24, 6.27bde, 7.17a, 7.20ab, 7.22, 7.23, 8.23ac, 8.24, etc.
4	Stereochemistry, Chirality, Sugars	Ch. 5 (5.1–5.6, 5.10–5.15), Ch. 23 (23.1–23.5, 23.12, 23.13)	5.3abh, 5.5beg, 5.6acg, 5.10, 5.17ace, 5.18bf, 5.21ab, 5.22ab, 23.2, 23.3, 23.6ab, 23.8, 23.12acd, 23.13, etc.
5	Nucleic Acids, Amino Acids, Peptides, Proteins	Ch. 23 (23.14–23.17), Ch. 24 (24.1–24.4, 24.8–24.12)	23.43, 24.2, 24.3, 24.4e, 24.7, 24.8, 24.13, 24.17, 24.18ad, 24.22, 24.23, 24.25, etc.
6 & 7	Review, Practice, and Exam Preparation	Flexible, based on student needs	Additional exercises and exam practice

Assessment and Grading

Final written exam (in Dutch, open questions) covering all course material.
Exam questions are similar in level and style to homework assignments.
No books, notes, or answer keys allowed during the exam; molecular model kits and a Casio FX82MS calculator are permitted.
A grade below 5.5 requires a retake according to the exam schedule.
Students may request to review their retake exam.

Key Topics and Academic Context

1. Structure and Nomenclature of Organic Molecules

Alkanes: Saturated hydrocarbons with single bonds. Naming follows IUPAC rules (e.g., methane, ethane, propane).
Haloalkanes: Alkanes with halogen substituents (e.g., chloromethane).
Saccharides: Carbohydrates classified as mono-, di-, or polysaccharides (e.g., glucose, sucrose, cellulose).
Amino Acids: Organic compounds with both amino and carboxyl groups; building blocks of proteins.

2. Stereochemistry and Conformations

Conformations: Different spatial arrangements of atoms due to rotation around single bonds (e.g., staggered vs. eclipsed in ethane).
Configurations: Fixed spatial arrangements (e.g., R/S, D/L, E/Z).
Chirality: Property of a molecule that is not superimposable on its mirror image; leads to enantiomers.
Fischer Projections: Two-dimensional representations of three-dimensional molecules, especially sugars and amino acids.
Optical Activity: Ability of chiral molecules to rotate plane-polarized light.
Mutarotation: Change in optical rotation due to the interconversion of α- and β-anomers of sugars.

3. Reaction Mechanisms

Nucleophilic Substitution: Replacement of a leaving group by a nucleophile. Two main types:
- SN2: Bimolecular, single-step mechanism. Rate depends on both substrate and nucleophile. Inversion of configuration occurs.
- SN1: Unimolecular, two-step mechanism. Rate depends only on substrate. Racemization possible due to planar carbocation intermediate.
Elimination Reactions: Removal of atoms/groups to form double bonds. Two main types:
- E2: Bimolecular, single-step elimination. Requires strong base.
- E1: Unimolecular, two-step elimination. Forms carbocation intermediate.
Energy Diagrams: Graphical representations of the energy changes during reactions, showing activation energy and intermediates.

4. Biological Molecules

Nucleic Acids: DNA and RNA, composed of nucleotides. Base pairing (A-T/U, G-C) via hydrogen bonds.
Amino Acids and Proteins: Amino acids link via peptide bonds to form proteins. Proteins have primary, secondary, tertiary, and quaternary structures.
Isoelectric Point (pI): The pH at which an amino acid or protein has no net charge.

5. Analytical and Synthetic Methods

Protein Synthesis and Analysis: Methods include solid-phase peptide synthesis and various chromatographic and spectroscopic techniques.
Application in Forensics: Understanding organic molecules is crucial for analyzing biological evidence and chemical traces at crime scenes.

Example Equations and Representations

General Alkane Formula:
SN2 Reaction Example:
Peptide Bond Formation:
Base Pairing in DNA: (adenine-thymine), (guanine-cytosine)

Additional Info

This syllabus is based on the 9th edition of Wade's Organic Chemistry, but content is consistent across recent editions.
Lessons are interactive and adapted to student needs, especially in the final weeks.
For detailed chapter and paragraph breakdowns, refer to the course manual (not included here).