Stop Memorizing, Start Predicting
Many students treat Organic Chemistry like a phone book, trying to memorize hundreds of reactions, catalysts, and temperatures by rote. Within three weeks, the mind mixes up Sandmeyer with Gattermann, and Aldol with Cannizzaro.
The truth is that 90% of organic reactions follow one golden rule: electrons move from where they are abundant (nucleophile/base) to where they are scarce (electrophile/acid).
The Three Stepping Stones
1. GOC (General Organic Chemistry): Understand carbocation and carbanion stabilities. A $3^circ$ carbocation is stabilized by 9 hyperconjugative $alpha$-hydrogens; a resonance-stabilized allylic carbocation is even more stable. 2. Reagent Categorization: Group reagents by function: - Strong oxidizing agents: $KMnO_4$, $K_2Cr_2O_7$ - Mild oxidizing agents: PCC, Collins reagent, Swern - Reducing agents: $LiAlH_4$, $NaBH_4$, $H_2/Pd$ 3. Mechanism Pathways: Master $S_N1$, $S_N2$, $E1$, $E2$, and Electrophilic Aromatic Substitution ($S_EAr$).