#stereochemistry

Part 10: Stereochemistry in Pharmaceutical Sciences – Current Trends and Future Directions

Leave a Comment / Stereochemistry / By / , , / October 6, 2025

“Beyond today – emerging trends shaping the future of stereochemistry in pharma” Introduction The landscape of stereochemistry in pharmaceutical sciences continues to evolve with scientific and technological advances. This final part looks at emerging trends and future challenges. These include: – New developments in asymmetric catalysis, such as organocatalysts (MacMillan/List catalysts) that have expanded the toolkit for chiral synthesis, and the 2021 Nobel recognition of this field – implying more green and metal-free asymmetric processes …

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Part 9: Stereochemistry in Drug Discovery and Development

Leave a Comment / Stereochemistry / By / , , / October 3, 2025

“From hit to lead to medicine – where stereochemistry shapes every stage of discovery” Introduction Stereochemistry is not only crucial in the final stages of drug production – it plays a significant role right from the discovery and lead optimization phases. In this part, we consider how medicinal chemists account for chirality when designing compounds and how structure-activity relationships (SAR) can depend on stereochemistry. We also look at how screening libraries incorporate stereochemical diversity, and …

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Part 3: Nomenclature and Configuration

Leave a Comment / Stereochemistry / By / , , / September 4, 2025

“Decoding the rules: how chemists name and navigate molecular twists.” Introduction Correctly describing the stereochemistry of a molecule is as important as understanding it. In this part, we focus on the Cahn–Ingold–Prelog (CIP) system, which provides the rules for unambiguous assignment of absolute configuration at stereocenters (R/S) and for double bond geometry (E/Z) system. We will outline the CIP priority rules step-by-step and demonstrate how to apply them to pharmaceutical molecules. Additionally, we will discuss …

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Part 1: Introduction to Stereochemistry

Leave a Comment / Chirality, Stereochemistry / By / , , / August 27, 2025

“The 3D language of molecules – why stereochemistry is the hidden key in drug science.” Introduction Stereochemistry is the branch of chemistry concerned with the three-dimensional arrangement of atoms in molecules and how this spatial arrangement influences chemical behavior. The term “chirality” (from the Greek cheir meaning hand) describes the property of an object or molecule that is non-superimposable on its mirror image – much like one’s left and right hands. A molecule that exhibits …

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Mapping Stereochemical Nomenclature: A Chiralpedia Guide

Leave a Comment / Chiral science / By / , , / August 21, 2025

Stereochemistry, the study of spatial arrangements of atoms in molecules, demands a precise and universally accepted nomenclature system. Unlike simple chemical formulas, which only indicate connectivity, stereochemical nomenclature conveys three-dimensional information essential for understanding molecular behavior, biological interactions, and pharmaceutical effects. Several systems have been developed to capture these subtle but critical differences. 🔬✨ Stereochemical Nomenclature System — Now in a Visual Story! Stereochemical naming systems are often tucked away in textbooks 📚, dense and …

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