The equation for the given crossed Claisen condensation has to be completed. Concept introduction: When two molecules of an ester undergo condensation is called claisen condensation. Like in aldol reaction, in claisen condensation one molecule is a nucleophile and the other molecule is an electrophile. A claisen condensation reaction is a reversible reaction and occurs in the presence of a strong base. The first step of claisen condensation is the removal of a proton from alpha carbon by a base and then the addition of enolate ion formed to the second ester molecule forming a β-ketoester. A crossed-claisen condensation is also a condensation reaction between a ketone and an ester. Primarily one product will form from crossed-claisen condensation when one of the ketone or easter do not have any alpha hydrogens.

Question

5. A buffer consists of 0.45 M NH, and 0.25 M NH-CI (PK of NH 474) Calculate the pH of the butter. Ans: 9.52 BAS PH-9.26 +10g (10.95)) 14-4.59 PH=4.52 6. To 500 ml of the buffer on #5 a 0.20 g of sample of NaOH was added a Write the net ionic equation for the reaction which occurs b. Should the pH of the solution increase or decrease sightly? Calculate the pH of the buffer after the addition Ans: 9.54

Answer 1

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 19.3, Problem 19.5P

Interpretation Introduction

Interpretation:

The equation for the given crossed Claisen condensation has to be completed.

Concept introduction: When two molecules of an ester undergo condensation is called claisen condensation. Like in aldol reaction, in claisen condensation one molecule is a nucleophile and the other molecule is an electrophile.

A claisen condensation reaction is a reversible reaction and occurs in the presence of a strong base.

The first step of claisen condensation is the removal of a proton from alpha carbon by a base and then the addition of enolate ion formed to the second ester molecule forming a β-ketoester.

A crossed-claisen condensation is also a condensation reaction between a ketone and an ester. Primarily one product will form from crossed-claisen condensation when one of the ketone or easter do not have any alpha hydrogens.

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Students have asked these similar questions

5. A buffer consists of 0.45 M NH, and 0.25 M NH-CI (PK of NH 474) Calculate the pH of the butter. Ans: 9.52 BAS PH-9.26 +10g (10.95)) 14-4.59 PH=4.52 6. To 500 ml of the buffer on #5 a 0.20 g of sample of NaOH was added a Write the net ionic equation for the reaction which occurs b. Should the pH of the solution increase or decrease sightly? Calculate the pH of the buffer after the addition Ans: 9.54

Explain the inductive effect (+I and -I) in benzene derivatives.

The inductive effect (+I and -I) in benzene derivatives, does it guide ortho, meta or para?

Answer 2

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 19.3, Problem 19.5P

Interpretation Introduction

Interpretation:

The equation for the given crossed Claisen condensation has to be completed.

Concept introduction: When two molecules of an ester undergo condensation is called claisen condensation. Like in aldol reaction, in claisen condensation one molecule is a nucleophile and the other molecule is an electrophile.

A claisen condensation reaction is a reversible reaction and occurs in the presence of a strong base.

The first step of claisen condensation is the removal of a proton from alpha carbon by a base and then the addition of enolate ion formed to the second ester molecule forming a β-ketoester.

A crossed-claisen condensation is also a condensation reaction between a ketone and an ester. Primarily one product will form from crossed-claisen condensation when one of the ketone or easter do not have any alpha hydrogens.

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 3

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 19.3, Problem 19.5P

Interpretation Introduction

Interpretation:

The equation for the given crossed Claisen condensation has to be completed.

Concept introduction: When two molecules of an ester undergo condensation is called claisen condensation. Like in aldol reaction, in claisen condensation one molecule is a nucleophile and the other molecule is an electrophile.

A claisen condensation reaction is a reversible reaction and occurs in the presence of a strong base.

The first step of claisen condensation is the removal of a proton from alpha carbon by a base and then the addition of enolate ion formed to the second ester molecule forming a β-ketoester.

A crossed-claisen condensation is also a condensation reaction between a ketone and an ester. Primarily one product will form from crossed-claisen condensation when one of the ketone or easter do not have any alpha hydrogens.

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 19.3, Problem 19.5P

Interpretation Introduction