The sequence of arrow pushing pattern should be identified for the given mechanism. Concept introduction: Carbocation: carbon atom bears positive charged species with three bonds is called Carbocation and it plays vital intermediate in organic synthesis . Carbocation migratory aptitude is mainly depends on the stability of the carbocation. This type of carbocation undergoes inter or intra molecule reactions and it form more stable product this type of rearrangement called carbocation rearrangement. Carbocation’s are classified in to three types as primary, secondary and tertiary depending on the number of carbon atoms which is attached to the ionized carbon. Tertiary carbocation is more stable than secondary carbocation, secondary carbocation is more stable than the primary carbocation as shown below. Leaving group: it is a fragment that leaves substrate with a pair of electrons via heterolytic bond cleavage. Nucleophile: donates pair of electrons to positively charged substrate resulting in the formation of chemical bond . Proton Transfer: It is defined as removal of H + from one substrate by another substrate.

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Chapter 6.9, Problem 4LTS

Interpretation Introduction

Interpretation:

The sequence of arrow pushing pattern should be identified for the given mechanism.

Concept introduction:

Carbocation: carbon atom bears positive charged species with three bonds is called Carbocation and it plays vital intermediate in organic synthesis. Carbocation migratory aptitude is mainly depends on the stability of the carbocation. This type of carbocation undergoes inter or intra molecule reactions and it form more stable product this type of rearrangement called carbocation rearrangement.

Carbocation’s are classified in to three types as primary, secondary and tertiary depending on the number of carbon atoms which is attached to the ionized carbon.

Tertiary carbocation is more stable than secondary carbocation, secondary carbocation is more stable than the primary carbocation as shown below.

Leaving group: it is a fragment that leaves substrate with a pair of electrons via heterolytic bond cleavage.

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

Proton Transfer: It is defined as removal of H+ from one substrate by another substrate.

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