B Pharmacy is a 4-year undergraduate program in India that provides comprehensive knowledge of drugs, healthcare, and pharmaceutical sciences. It prepares students for careers in the pharmaceutical industry, clinical research, and healthcare services.
This course builds a strong foundation for B Pharmacy Students all over the world.
Furan: Synthesis and Reactions include Paal-Knorr synthesis and Feist-Benary synthesis, with electrophilic substitution as the main reaction. Synthesis of Furan Paal–Knorr Furan Synthesis Reagents: 1,4-dicarbonyl compound + acid catalyst (e.g., H₃PO₄ or p-TsOH) Reaction: O=CH–CH₂–CH₂–CHO → Furan + 2H₂O Common method for synthesizing substituted furans Feist–Benary Synthesis Reagents: α-haloketone + β-dicarbonyl compound + base Cyclization … Read more
Pyrrole is a five-membered aromatic heterocyclic compound with one nitrogen atom, widely found in natural products and pharmaceuticals. Chemical Formula of Pyrrole: C₄H₅N Physical Properties of Pyrrole: Property Value Appearance Colorless to pale yellow liquid Odor Mild, pleasant Boiling Point 130 °C Melting Point -23 °C Solubility Soluble in alcohol and ether; slightly in water … Read more
Nomenclature of Heterocyclic Compounds follows IUPAC rules, naming based on ring size, heteroatom type, and saturation or unsaturation. Heterocycles are named using common (trivial) names or systematic IUPAC names. Common/Trivial Names These are historical or widely accepted names, commonly used for simple or well-known heterocycles. Examples: Aziridine (3-membered ring with N) Oxirane (epoxide, 3-membered ring … Read more
Classification of Heterocyclic Compounds is based on ring size, saturation, and heteroatoms, divided into aliphatic, aromatic, and fused systems. Classification of Heterocyclic Compounds Heterocyclic compounds are classified based on several criteria: By Ring Size Three-membered rings Saturated: Aziridine (N), Oxirane (epoxide with O) Unsaturated: Azirine, Oxirene Four-membered rings Saturated: Azetidine, Oxetane Unsaturated: Azetine, Oxete Five-membered … Read more
Heterocyclic Compounds are organic compounds with ring structures containing at least one heteroatom like nitrogen, oxygen, or sulfur. A heterocyclic compound is a cyclic compound that contains atoms of at least two different elements in its ring structure. Typically, these rings are made of carbon atoms and at least one heteroatom, such as: Nitrogen (N) … Read more
Thiophene is a five-membered aromatic heterocyclic compound with one sulfur atom, important in drugs, dyes, and conducting materials. Chemical Formula of Thiophene: C₄H₄S Physical Properties of Thiophene: Property Value Appearance Colorless to pale yellow liquid Odor Benzene-like Boiling Point 84 °C Melting Point -38 °C Solubility Soluble in organic solvents; poorly in water Density ~1.05 … Read more
Stereoselective Reactions are reactions where one stereoisomer is formed preferentially over others from the same reactant. Definition of Stereoselective Reactions: A stereoselective reaction is a chemical reaction in which a single reactant can produce two or more stereoisomeric products, but one is formed preferentially over the others. The preference arises due to factors like steric … Read more
Stereospecific Reactions are chemical reactions where a specific stereoisomer of the reactant always leads to a specific stereoisomer of the product. Definition of Stereospecific Reactions: A stereospecific reaction is one where the stereochemistry of the reactant completely determines the stereochemistry of the product. Each stereoisomeric reactant leads to a different stereoisomeric product. The reaction mechanism … Read more
Conditions for Optical Activity require the presence of a chiral center, absence of symmetry, and a non-superimposable mirror image. Conditions for Optical Activity To be optically active, a compound (including biphenyl atropisomers) must meet the following: Chirality Must be non-superimposable on its mirror image. Can arise from: Chiral centers Axial, planar, or helical chirality No … Read more
Stereoisomerism in Biphenyl Compounds (Atropisomerism) Stereoisomerism in Biphenyl Compounds (Atropisomerism) occurs when restricted rotation around the biphenyl bond creates stable, isolable isomers with distinct properties. What is Biphenyl? Biphenyl is a molecule made of two benzene rings joined by a single bond: The two rings can rotate around the central C–C bond. However, rotation can … Read more
