Stereochemistry: Resolution of Racemic Mixtures R & S, E & Z notation | Ashokan P | TRB | CHEMISTRY скачать в хорошем качестве

Stereochemistry: Resolution of Racemic Mixtures R & S, E & Z notation | Ashokan P | TRB | CHEMISTRY

ouTube DescriptionWelcome back to Chemistry Guru! In this session, we dive deep into the fundamental concepts of Stereochemistry, focusing on how we separate and synthesize chiral molecules.What you will learn in this video:Resolution of Racemic Modifications: Explore the 6 key methods including Biochemical, Mechanical, and Chemical (via Diastereomers) separation.Advanced Resolution Techniques: Learn about Selective Adsorption (Chromatography), Kinetic methods, and Crystallization by Seeding (Inoculation).Asymmetric Synthesis: How we create optically active compounds from achiral reagents using chiral auxiliaries like (-)-menthol or biocatalysts like emulsin.Reaction Stereochemistry: A clear breakdown of the Walden Inversion ($S_N2$ mechanism) vs. Retention and Racemisation ($S_N1$ mechanism).This video is perfect for students of Modern Organic Chemistry looking for clear, step-by-step explanations of complex stereochemical transformations. Key Highlights for your Video The Chemical Method: Emphasize that resolving acids/bases via diastereomeric salts is the most common laboratory technique. Walden Inversion: Highlight that it involves a change in configuration, often demonstrated by the conversion of (-)-2-Bromo-octane to (+)-2-Octanol. Racemisation: Explain that a planar carbocation intermediate leads to both front-side (retention) and back-side (inversion) attacks.