[{"n": "Atropisomer", "u": "/e/organic-chemistry-and-reaction-mechanisms/atropisomer/", "s": "Stereoisomers arising from hindered rotation about a single bond."}, {"n": "Cahn–Ingold–Prelog priority rules", "u": "/e/organic-chemistry-and-reaction-mechanisms/cahn-ingold-prelog-priority-rules/", "s": "Standard process for naming stereoisomers of organic molecules."}, {"n": "Chirality (chemistry)", "u": "/e/organic-chemistry-and-reaction-mechanisms/chirality-chemistry/", "s": "Geometric property where a molecule cannot be superposed on its mirror image."}, {"n": "Cis–trans isomerism", "u": "/e/organic-chemistry-and-reaction-mechanisms/cis-trans-isomerism/", "s": "Geometric isomerism describes cis and trans arrangements of atoms."}, {"n": "Convergent synthesis", "u": "/e/organic-chemistry-and-reaction-mechanisms/convergent-synthesis/", "s": "A strategy to improve efficiency in multistep organic synthesis."}, {"n": "Cycloaddition", "u": "/e/organic-chemistry-and-reaction-mechanisms/cycloaddition/", "s": "Cycloadditions form cyclic adducts without nucleophiles or electrophiles."}, {"n": "Diels–Alder reaction", "u": "/e/organic-chemistry-and-reaction-mechanisms/diels-alder-reaction/", "s": "A [4+2] cycloaddition forming six-membered rings with stereochemical control."}, {"n": "Diastereomer", "u": "/e/organic-chemistry-and-reaction-mechanisms/diastereomer/", "s": "Non-mirror image stereoisomers with distinct physical and chemical properties."}, {"n": "Divergent synthesis", "u": "/e/organic-chemistry-and-reaction-mechanisms/divergent-synthesis/", "s": "A strategy to generate diverse chemical libraries efficiently."}, {"n": "E1cB-elimination reaction", "u": "/e/organic-chemistry-and-reaction-mechanisms/e1cb-elimination-reaction/", "s": "Elimination via a stabilized carbanion intermediate under basic conditions."}, {"n": "Ei mechanism", "u": "/e/organic-chemistry-and-reaction-mechanisms/ei-mechanism/", "s": "Thermal syn elimination via cyclic transition state, no external reagents."}, {"n": "Electrophilic addition", "u": "/e/organic-chemistry-and-reaction-mechanisms/electrophilic-addition/", "s": "Addition reaction where a π bond breaks forming two σ bonds."}, {"n": "Electrophilic substitution", "u": "/e/organic-chemistry-and-reaction-mechanisms/electrophilic-substitution/", "s": "Electrophile displaces a functional group in aromatic or aliphatic compounds."}, {"n": "Elimination reaction", "u": "/e/organic-chemistry-and-reaction-mechanisms/elimination-reaction/", "s": "Organic reaction removing substituents to form a pi bond."}, {"n": "Enantiomer", "u": "/e/organic-chemistry-and-reaction-mechanisms/enantiomer/", "s": "Mirror-image molecules that are non-superposable and rotate polarized light."}, {"n": "Enantioselective synthesis", "u": "/e/organic-chemistry-and-reaction-mechanisms/enantioselective-synthesis/", "s": "Chemical synthesis favoring one enantiomer over another."}, {"n": "E–Z notation", "u": "/e/organic-chemistry-and-reaction-mechanisms/e-z-notation/", "s": "IUPAC method for double-bond stereochemistry using priority rules."}, {"n": "Free-radical addition", "u": "/e/organic-chemistry-and-reaction-mechanisms/free-radical-addition/", "s": "Radical addition enables anti-Markovnikov addition to alkenes."}, {"n": "Grignard reaction", "u": "/e/organic-chemistry-and-reaction-mechanisms/grignard-reaction/", "s": "Organometallic reaction forming carbon–carbon bonds via Grignard reagents."}, {"n": "Haloform reaction", "u": "/e/organic-chemistry-and-reaction-mechanisms/haloform-reaction/", "s": "A base-catalyzed reaction producing haloforms from acetyl groups."}, {"n": "Hammond's postulate", "u": "/e/organic-chemistry-and-reaction-mechanisms/hammond-s-postulate/", "s": "Predicts transition state structure from energy comparisons."}, {"n": "Arrow pushing", "u": "/e/organic-chemistry-and-reaction-mechanisms/arrow-pushing/", "s": "Technique using curved arrows to show electron movement in reactions."}]