How to Learn Organic Chemistry Concepts: 126 Flashcards on Structure, Functional Groups and Synthesis
A 126-card organic chemistry deck reviewed: aromaticity, heterocycles, functional groups, NMR, retrosynthesis, plus the nomenclature gap and two backs to fix.
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Most organic chemistry decks throw reactions at you before you can say what a heterocycle is. Organic Chemistry: Structure & Nomenclature (deck code OW9657, 126 cards) does the opposite: it is a concept-and-vocabulary deck, built like a survey of the field rather than a problem set. Read that way, it is genuinely useful — and it will save you the first three weeks of confusion in any organic course.
Study this deck: Organic Chemistry: Structure & Nomenclature
1 / 10Organic chemistry
Tap the card for the answer · swipe right if you knew it, left if not
What the 126 cards actually teach
Four clusters: the field and its history (vitalism, the 1828 Wöhler urea synthesis, Kekulé and Couper on tetravalent carbon, the 1892 Geneva rules, Paul Ehrlich and "magic bullet" drugs), structure determination, skeletons and functional groups, then synthesis strategy.
| Front | Back |
|---|---|
| Aromaticity rule (Hückel's rule) | Aromaticity is conferred by 4n + 2 delocalized pi electrons, where n is an integer |
| Antiaromaticity | Particular instability conferred by 4n conjugated pi electrons |
| Heterocycle | A ring where a heteroatom (not carbon) is a member of the ring itself (endocyclic) |
| Spiro compounds | Rings fused on a corner, so one atom has two bonds to each ring |
| Most commonly used analytical technique | NMR spectroscopy, often permitting complete assignment of atom connectivity and stereochemistry |
| Retrosynthesis | Strategy popularized by E.J. Corey: start from the target and splice it into pieces by known reactions |
| Enolate | A form of a carbonyl compound usable as a nucleophile |
| Homologous series | Compounds with the same functional group, differing by CH2 units |
| Line-angle formula | Endpoints and intersections represent carbons; hydrogens are implied |
| Buckminsterfullerene | The C60 molecule: a hollow sphere of 12 pentagonal and 20 hexagonal faces |
You will also drill: alkanes/paraffins, alkenes/olefins, alkynes/acetylenes, cycloalkanes and cycloalkenes, cyclopropane, benzene, pyridine, furan, piperidine, tetrahydrofuran, polycyclic and alicyclic compounds, carboxyl and hydroxyl groups, resonance, conjugated systems, sp2 hybridization, general formulas CnH2n+2 / CnH2n / CnH2n-2, octane number, petrochemicals, monomers and polymers, polystyrene, biopolymers, isoprene, terpenes, steroids, HPLC, gas chromatography, mass spectrometry, crystallography, IUPAC, SMILES and InChI, arrow pushing, the aldol reaction, total synthesis, and cefalotin.
The word "Nomenclature" in the title is a promise the deck does not keep
Five cards cover naming, and all five are about naming rather than naming anything: IUPAC exists, systematic names start from a parent structure, SMILES and InChI are machine formats, the Geneva rules fixed the 1892 chaos. There is no suffix table, no locant rule, no substituent ordering, and no stereodescriptors — so you cannot name a single compound when you finish. Write those cards yourself before card 1: the suffixes (-ol, -al, -one, -oic acid, -amine, -ene, -yne), lowest-locant numbering, alphabetical prefix order, cis/trans and E/Z, and R/S. Stereochemistry is the other hole — the NMR card mentions it, nothing defines a stereocenter.
Prune the seam, then fix two backs
Cards 83 to 126 restart the subject from carbon's valence, so the duplicates all sit at the join: vitalism (6 and 123, verbatim), carbon's bonding patterns (4 and 84), hydrophobicity (23 and 119), instability above 300 °C (21 and 118), and aromaticity (41 and 96 — keep 96, it names Hückel). Cards 55 and 59 contradict each other on the four classes of biomolecules; keep 59 and remember proteins are built from amino acids.
Two backs are wrong. Isoprene is produced by the mevalonate pathway, not the Krebs cycle (card 56). And cards 105 and 106 illustrate carbon double and triple bonds with CO2 and CO — inorganic oxides. Swap in ethene (C2H4) and ethyne (C2H2).
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