Chapter 20, Problem 61PP

Interpretation Introduction

Interpretation:

The possible reaction and mechanism should be draw and identified for the given different set of reaction proceeds under acidic, basic conditions.

Concept introduction:

Nucleophiles: A nucleophile is a more reactant species that affords a pair of electrons to the electrophile or electrophilic center and forms a new covalent bond. The carbon or other hetero atom in a molecule which is bearing negative charge or lone pair of electron is called as nucleophiles.

Electrophile: An electrophile is a species that accepts a pair of electrons to form a new covalent bond.

Nucleophilic reaction: electron rich nucleophiles attacks the positive or partially positive charge of an atom and replaces a leaving group is called Nucleophilic Substitution reaction.

Hydrolysis Reaction: This type of reaction involving the braking of a carbon-carbon triple, double bonds in a molecules using water.

Acid Catalyzed Hydration Reaction: The reaction involves breaking of $\text{π}$-bonds between carbon-carbon multiple bonds and addition of alcohol to more substituted position of carbon in the molecule.

$S_{N}2$Reaction: The $S_{N}2$ reaction is single step process, leaving group leaves the molecule and nucleophiles attack the molecule is single step process which is simultaneous process.

Grignard Reaction: This is a organometallic reaction in different alkyl, aryl-magnesium halides add to a carbonyl group in an aldehyde and ketone. This reaction is an important for the conversion of carbon-carbon single $\left(-C-C-\right)$ bond. Moreover the addition of a reagent to an aster, lactone gives a tertiary alcohol in which the alkyl groups are the same and the addition of a Grignard reagent to a nitrile produces an unsymmetrical ketone.