The mechanism for the given transformations should be determined. Concept Introduction : Nucleophile: Donates pair of electrons to positively charged substrate resulting in the formation of chemical bond . Electrophile: It is positively charged species which seeks for negative charge and hence accepts pair of electrons from negatively charged species (Nucleophiles) which results in the formation of chemical bond. S-Adenosyl methionine ( SAM ) : It is non-protein metallic ion substrate which contains positively charged Sulphur atom bonded with two carbonyl groups and one methyl group that facilitates the biological activity. One of the major uses of SAM is that they are used in methyl group transfers.

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Chapter 7.4, Problem 12CC

(a)

Interpretation Introduction

Interpretation: The mechanism for the given transformations should be determined.

Concept Introduction:

Nucleophile: Donates pair of electrons to positively charged substrate resulting in the formation of chemical bond.

Electrophile: It is positively charged species which seeks for negative charge and hence accepts pair of electrons from negatively charged species (Nucleophiles) which results in the formation of chemical bond.

S-Adenosyl methionine (SAM) : It is non-protein metallic ion substrate which contains positively charged Sulphur atom bonded with two carbonyl groups and one methyl group that facilitates the biological activity. One of the major uses of SAM is that they are used in methyl group transfers.

(b)

Interpretation Introduction

Interpretation: The mechanism for the given transformations should be determined.

Concept Introduction:

Nucleophile: Donates pair of electrons to positively charged substrate resulting in the formation of chemical bond.

Electrophile: It is positively charged species which seeks for negative charge and hence accepts pair of electrons from negatively charged species (Nucleophiles) which results in the formation of chemical bond.

S-Adenosyl methionine (SAM) : It is non-protein metallic ion substrate which contains positively charged Sulphur atom bonded with two carbonyl groups and one methyl group that facilitates the biological activity. One of the major uses of SAM is that they are used in methyl group transfers.

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