Course Objectives:
This course will enable the students to –
1. learn how different compounds are prepared by the reactions of carbonyl moiety.
2. introduce how their activity can be explained to allow the introduction of functional group next to carbonyl group.
Course Outcomes (COs):
Course |
Learning outcomes (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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Paper Code |
Paper Title |
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CHY-312 |
Oxygen Containing Functional Groups
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The students will be able to –
CO68: explain the methods of formation and reactivities of various type of aliphatic alcohols (monohydric, dihydric and trihydric) and phenols CO69: describe the formation and reactivities of ethers and epoxides CO70: predict the relative reactivities of different carbonyl compounds (saturated and unsaturated aldehydes and ketones) and their syntheses. CO71: interpret the mechanism in prescribed name reactions CO72: understand the acidity and reactivity of active methylene groups CO73: outline the synthesis of carboxylic acids and its derivatives and compare the relative acidities of carboxylic acids, alcohols and phenols CO74: analyze the factors of the relative acidities of aliphatic and aromatic carboxylic acids by considering different stereoelectronic effects |
• Group discussion • Tutorials • Quiz • Problem solving sessions
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Introduction, classification, methods of formation by reduction of aldehydes, ketones, carboxylic acid and esters, biological oxidation of ethanol, hydrogen bonding, acidic nature comparison with thiols, effect of solvents and polarity, reactions of alcohols
Dihydric and Trihydric Alcohols
Method of preparation, chemical reactions of vicinal glycols, oxidative cleavage with [Pb(OAc)4] and HIO4; Pinacol- pinacolone rearrangement.
Trihydric alcohols: Introduction, method of preparation and chemical reactions of glycerol.
Phenols:Methods of Preparation, Acidity and factors affecting it,comparative acidic strength of alcohol and phenol, chemical reactions including important name reactions.
Ethers and Epoxides: Preparation and reactions
Synthesis from acid chlorides, 1,3-dithianes and enamines, nitriles and carboxylic acids;mechanism of nucleophilic addition reaction to carbonyl group with particular emphasis on Benzoin,Perkin, aldol, Knoevenagel condensations,Reformatsky reaction and Dieckmancondensation,condensation with ammonia & its derivatives including reactions with primary & secondary amines, Mannich & Wittig reactions.
Oxidation and reduction rections of Aldehydes and ketones:
Use of acetals as protecting groups, oxidation of aldehydes, Baeyer- Villiger oxidation of ketones, Oppenauer oxidation. ,Cannizzaro reaction, MPV,Clemmensen,Wolff-Kishner,LiAlH4,NaBH4 reductions, α,β- unsaturated carbonyl compounds(cyclic & acyclic) , conjugate addition of enolates & amines, , keto-enol tautomerism of ethylacetoacetate,evidences in favour of keto-enol tautomerism, Claisen condensation, alkylation of diethyl malonate & ethyl acetoacetate.
Preparation, physical properties, acidity and reactions of monocarboxylic acids:
Typical reactions of dicarboxylic acids, hydroxy acids and unsaturated acids: succinic/pthalic, lactic, tartaric, citric, maleic and fumaric acids.
Preparation and reactions of acid chlorides, anhydrides, esters and amides; comparative study of nucleophilic sustitution at acyl group - mechanism of acidic and alkaline hydrolysis of esters.