Organic Chemistry Reaction Atlas
Find a reaction, understand the conditions, and practice predicting the outcome—without memorizing a disconnected reagent list.

Alcohol Reactions
Use alcohol structure and reaction conditions to predict carbonyls, alkenes, and substitution products.
Open lesson →
Ether Synthesis
Learn why a primary electrophile and a strong alkoxide form an ether by an SN2 pathway.
Open lesson →
Epoxide Ring Opening
Predict which epoxide carbon is attacked and where the new C–Nu bond forms.
Open lesson →
Alkyne Reactions
Differentiate cis and trans partial reductions and predict terminal-alkyne hydration products.
Open lesson →
Radical Reactions
Understand radical chains, HBr peroxide regioselectivity, and selectivity in radical halogenation.
Open lesson →
Synthesis Roadmaps
Learn to plan transformations backward from the target molecule and verify each step.
Open lesson →Search reactions by substrate or reagent
Filter 24 curated transformations and open the explanation for why each pathway is expected. This is an educational reference, not a universal reaction predictor.
Explore 24 reactions
Search reactants, products, or reagents. Open a card to learn why the transformation works.
