BT25201 Bioorganic Chemistry – Semester II – Biotech – R-2025

Subject Code & Name: BT25201 – Bioorganic Chemistry

Regulation: R-2025

Semester: II (Second Semester)

Branch: B.Tech. Biotechnology (Biotech)

Credits / L-T-P: 3 Credits | L-T-P: 3-0-0

Course Objectives

  • To introduce the chemical principles linking organic chemistry and biology, focusing on bio molecular interactions, stereochemistry, mechanism of organic reactions, carbohydrates and protein chemistry.

Full Unit-wise Syllabus

Unit I – Introduction to Bioorganic Chemistry

Basic considerations; Historical Connection between Organic and Biological Chemistry; Weak Interactions in Organic and Biological World; Proximity Effects in Organic Chemistry; Molecular Adaptation; Molecular Recognition and the Supramolecular Level.

Activities: Seminar on Historical Connection between Organic and Biological Chemistry.

Unit II – Bonding and Stereochemistry

Atoms, Electrons and orbitals; Covalent Bonds; Octet rule; Polar covalent Bonds; Electro negativity; formal charge; Arrhenius and Bronsted Lowry Theories; Acid Base equilibria; Molecular dipole moments; SP3 hybridization; Conformation analysis ethane, butane and cyclohexane; Conformation of the peptide bond.

Activities: Virtual Demonstration Stereochemistry.

Unit III – Mechanisms of Substitution and Addition Reactions

SN1 and SN2 reactions on tetrahedral carbon; nucleophiles; nucleophilic addition on Acetals; Aldehyde and ketone groups; reactions of carbonyl group with amines; acid catalyzed ester hydrolysis; Saponification of an ester; Hydrolysis of amides; Ester enolates.

Activities: Demonstration of Saponification of an ester.

Unit IV – Catalysis

Chemical and biological catalysis; Catalysis and reaction energetics; Acid-Base Catalysis: Catalysis Involving Proton Donors or Acceptors; Covalent Catalysis: Catalysis Involving Covalent Bond Formation; Metal ion catalysis; Enzyme catalysis by approximation; Proximity and orientation effects in enzyme catalysis; Advantages and disadvantages of biocatalysis; Inclusion complexation.

Activities: Seminar presentation on Advantages and disadvantages of biocatalyst.

Unit V – Bioorganic Reactions

Timing of Bond formation and fission; Acyl group transfer; C-C bond formation and fission; Catalysis of proton transfer reactions; Transfer of hydride ion; Alkyl group Transfer; Terpene biosynthesis; Merrifield solid state peptide synthesis; Sanger method for peptide and DNA sequencing.

Activities: Virtual demonstration of DNA sequencing.

Course Outcomes (COs)

  • CO1: Describe the core concepts of bioorganic chemistry and its application.
  • CO2: Analyse and explain the bonding and stereochemistry of compounds.
  • CO3: Interpret the mechanism of organic and biochemical reactions.
  • CO4: Demonstrate the knowledge of biocatalyst in biochemical process.

Assessment Pattern (Quick Note)

  • Weightage: Continuous Assessment 40% | End Semester Examinations 60%
  • Internal methodology: Quiz (10%), Assignments (20%), Review of GATE Questions (20%), Internal Examinations (50%)

Source: Official Anna University – B.Tech. Biotechnology R-2025 Syllabus
Last Updated: September 2026

Comments