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Organic Chem Basics

Start here

What Organic Chemistry is, the General Chemistry it builds on, and how to prepare for the first semester.

Start here overview

1Introduction to Organic
2General chemistry basics
3Preparing for Organic 1

Organic 1

Structure, bonding, stereochemistry and the first reactions: substitution, elimination and addition. In teaching order.

Organic 1 overview

1Hybridization
2Bond-line structures
3Functional groups
4Delocalization
5Acids & bases
6Alkane names
7Conformations
8Chairs & boats
9Stereochemistry
10Stereochemistry & regiochemistry
11SN & E reactions
12Alkene additions
13Alkyne chemistry
14Radical reactions

Organic 2

Alcohols through amines: aromaticity, carbonyl chemistry and more advanced mechanistic reasoning.

Organic 2 overview

1Preparing for Organic 2
2Alcohols
3Ethers & epoxides
4Thiols & sulfides
5Conjugation
6Aromaticity
7Aromatic substitution
8Aldehydes & ketones
9Carboxylic acids
10Enols & enolates
11Amines
12Organometallics
13Biomolecules
14Polymers

Mechanism

How to read and predict a mechanism: the clues, the arrows, the key patterns, and a video for every named reaction.

Mechanism overview

1Introduction to mechanism
2Mechanism clues
3Pushing arrows
4Key mechanisms
5Mechanism videos

Spectroscopy

Working out structure from IR, mass spectrometry, ¹H and ¹³C NMR, with practice on unknowns.

Spectroscopy overview

1Working out molecular structure
2Infrared
3Mass spectrometry
4¹H NMR
5¹³C NMR
6Mixed practice

Practice & reference

42 interactive apps and quizzes, a glossary with pronunciations, and the interactive periodic table.

Practice & reference overview

1Apps & quizzes
2Definitions & pronunciations
3Interactive periodic table

Home Organic 2Thiols & sulfides

Organic 2 Preparing for Organic 2 Alcohols Ethers & epoxides Thiols & sulfides Conjugation Aromaticity Aromatic substitution Aldehydes & ketones Carboxylic acids Enols & enolates Amines Organometallics Biomolecules Polymers

Organic 2 · 4 of 14

Thiols & sulfides

Thiols & sulfides: synthesis and chemistry.

Thiols and sulfides overview

Thiols and sulfides notes, part 1

Thiols and sulfides notes, part 2

Watch the mechanism

Thiol alkylationA thiolate displaces a leaving group.

Thiol oxidationTwo thiols oxidize to a disulfide.

← PreviousEthers & epoxides Next →Conjugation

Back to Organic 2

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Peter Norris, copyright 2026 and beyond

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