NAME · Named & Rearrangement140 slides

Named Reactions & Molecular Rearrangements

Curriculum Module NAME

Named Reactions & Molecular Rearrangements

Aldol, Cannizzaro, Pinacol-Pinacolone, Beckmann, Hoffmann Bromamide & Sigmatropic Shifts

140 SlidesFull Master Compendium

Core Mechanistic Pathways

Self, Cross, and Intramolecular Aldol condensations with enolate kinetics
Cannizzaro and Cross-Cannizzaro hydride transfer dynamics
Pinacol-Pinacolone rearrangement: Carbocation stability vs migratory aptitudes (Aryl > Alkyl)
Beckmann rearrangement: Anti-migration to oxime leaving group
Hoffmann Bromamide degradation: Nitrene/isocyanate intermediate and amine preparation
Reimer-Tiemann reaction (Dichlorocarbene intermediate on phenol)
Kolbe-Schmitt salicylic acid synthesis
Curtius and Lossen rearrangements

Key Reagents & Conditions

Dilute NaOH / Δ50% conc. KOHConc. H₂SO₄PCl₅ or SOCl₂Br₂ / KOHCHCl₃ / aq. KOH

Stereochemical Dynamics

Suprafacial migrations with 100% retention of stereochemical configuration at chiral migrating groups in Beckmann and Hoffmann cascades.

Module Summary & Study Guidance

Comprehensive directory of the most famous named reactions and rearrangements. Detailed driving forces, driving potential of aromaticity restoration, and carbocation/nitrene intermediate pathways.

Exam Orientation: JEE Advanced Rank Deciders · Multi-step synthesis. All materials are embedded directly on Chem-Mantra with online presentation and secure reference reading modes.

Curriculum Module NAME

Named Reactions & Molecular Rearrangements

Aldol, Cannizzaro, Pinacol-Pinacolone, Beckmann, Hoffmann Bromamide & Sigmatropic Shifts

140 SlidesFull Master Compendium

Core Mechanistic Pathways

Self, Cross, and Intramolecular Aldol condensations with enolate kinetics
Cannizzaro and Cross-Cannizzaro hydride transfer dynamics
Pinacol-Pinacolone rearrangement: Carbocation stability vs migratory aptitudes (Aryl > Alkyl)
Beckmann rearrangement: Anti-migration to oxime leaving group
Hoffmann Bromamide degradation: Nitrene/isocyanate intermediate and amine preparation
Reimer-Tiemann reaction (Dichlorocarbene intermediate on phenol)
Kolbe-Schmitt salicylic acid synthesis
Curtius and Lossen rearrangements

Key Reagents & Conditions

Dilute NaOH / Δ50% conc. KOHConc. H₂SO₄PCl₅ or SOCl₂Br₂ / KOHCHCl₃ / aq. KOH

Stereochemical Dynamics

Suprafacial migrations with 100% retention of stereochemical configuration at chiral migrating groups in Beckmann and Hoffmann cascades.

Module Summary & Study Guidance

Comprehensive directory of the most famous named reactions and rearrangements. Detailed driving forces, driving potential of aromaticity restoration, and carbocation/nitrene intermediate pathways.

Exam Orientation: JEE Advanced Rank Deciders · Multi-step synthesis. All materials are embedded directly on Chem-Mantra with online presentation and secure reference reading modes.