The given alkenes should be arranged in increasing rate when they react with H I . The structural formula for major product obtained has to be indicated. Concept Introduction: Carbocation: it is carbon ion that bears a positive charge on it. Leaving group: it is a fragment that leaves from a substrate with a pair of electrons via heterolytic bond cleavage. Carbocation stability order: Resonance stabilization: Due to the delocalization of electrons within the molecule the overall energy becomes lower and makes that molecule more stable. Nucleophile: Nucleophiles are species that donate an electron pair and are also termed as electron-hating species. Electrophile: Electrophiles are species that accept an electron pair and are also termed as electron-loving species.

Question

(a) The following synthesis of the molecule shown in the circle has a major problem. What is this problem? (2 pts) 1) HBr (no peroxides) 2) H- NaNH2 Br 3) NaNH, 4) CH3Br 5) H2, Pd (b) Starting with the molecule shown below and any other materials with two carbons or less, write out an alternate synthesis of the circled molecule. More than one step is needed. Indicate the reagent(s) and the major product in all the steps in your synthesis. (5 pts) 2024 Fall Term (1) Organic Chemistry 1 (Lec) CHEM 22204 02[6386] (Hunter College) (c) Using the same starting material as in part (b) and any other materials win two carpons or less, write out syntheses of the circled molecules shown below. More than one step is needed in each case. Indicate the reagent(s) and the major product in all the steps in your synthesis. You may use reactions and products from your synthesis in part (b). (5 pts)

Answer 1

Question

Chapter 6, Problem 6.16P

(a)

Interpretation Introduction

Interpretation:

The given alkenes should be arranged in increasing rate when they react with HI. The structural formula for major product obtained has to be indicated.

Concept Introduction:

Carbocation: it is carbon ion that bears a positive charge on it.

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

Carbocation stability order:

Resonance stabilization: Due to the delocalization of electrons within the molecule the overall energy becomes lower and makes that molecule more stable.

Nucleophile: Nucleophiles are species that donate an electron pair and are also termed as electron-hating species.

Electrophile: Electrophiles are species that accept an electron pair and are also termed as electron-loving species.

(b)

Interpretation Introduction

Interpretation:

The given alkenes should be arranged in increasing rate when they react with HI. The structural formula for major product obtained has to be indicated.

Concept Introduction:

Carbocation: it is carbon ion that bears a positive charge on it.

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

Carbocation stability order:

Resonance stabilization: Due to the delocalization of electrons within the molecule the overall energy becomes lower and makes that molecule more stable.

Nucleophile: Nucleophiles are species that donate an electron pair and are also termed as electron-hating species.

Electrophile: Electrophiles are species that accept an electron pair and are also termed as electron-loving species.

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