The product of photochemical cyclization reaction of cis,trans − 2 , 4 − hexadiene is to be determined with the help of given structure. Concept Introduction: > The compounds that have the same molecular formula of atoms but the structure of the compounds are different for the positions of atoms are called isomers. > In double bond or cyclic compounds, if two same functional groups are present on the same side of the double bond or cyclic compound, the given compound can be labeled as cis. > If the two functional groups are present on the different sides of the double bond or cyclic compound, the given compound can be labeled as Trans. > Cis-trans isomerism exists in the compounds in which similar groups are present on the adjacent carbon atoms. > The thermal electrocyclic reaction having 4 n Π electron takes place with conrotatory motion. > The photochemical electrocyclic reaction having 4 n Π electron takes place with disrotatory motion. > The electrocyclic reactions are initiated by heat or light and are stereospecific in nature.

Question

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Answer 1

Question

Chapter D, Problem 1PP

Interpretation Introduction

Interpretation:

The product of photochemical cyclization reaction of cis,trans−2,4−hexadiene is to be determined with the help of given structure.

Concept Introduction:
>
The compounds that have the same molecular formula of atoms but the structure of the compounds are different for the positions of atoms are called isomers.
>
In double bond or cyclic compounds, if two same functional groups are present on the same side of the double bond or cyclic compound, the given compound can be labeled as cis.
>
If the two functional groups are present on the different sides of the double bond or cyclic compound, the given compound can be labeled as Trans.
>
Cis-trans isomerism exists in the compounds in which similar groups are present on the adjacent carbon atoms.
>
The thermal electrocyclic reaction having 4n Π electron takes place with conrotatory motion.
>
The photochemical electrocyclic reaction having 4n Π electron takes place with disrotatory motion.
>
The electrocyclic reactions are initiated by heat or light and are stereospecific in nature.

Expert Solution & Answer

Answer to Problem 1PP

Solution:

The product of the reaction is given below:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 1

Explanation of Solution

The compound cis,trans−2,4−hexadiene follows 4n Π electron rule and according to Woodward-Hoffmann rule, for electrocyclic reaction, the photochemical cyclization reaction of cis,trans−2,4−hexadiene takes place with disrotatory motion.

Thus, the photochemical cyclization reaction of cis,trans−2,4−hexadiene is as:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 2

Conclusion

The product of the reaction is trans−3,4−dimethylcyclobutene.

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Provide the reasonable steps to achieve the following synthesis.

Answer 2

Question

Chapter D, Problem 1PP

Interpretation Introduction

Interpretation:

The product of photochemical cyclization reaction of cis,trans−2,4−hexadiene is to be determined with the help of given structure.

Concept Introduction:
>
The compounds that have the same molecular formula of atoms but the structure of the compounds are different for the positions of atoms are called isomers.
>
In double bond or cyclic compounds, if two same functional groups are present on the same side of the double bond or cyclic compound, the given compound can be labeled as cis.
>
If the two functional groups are present on the different sides of the double bond or cyclic compound, the given compound can be labeled as Trans.
>
Cis-trans isomerism exists in the compounds in which similar groups are present on the adjacent carbon atoms.
>
The thermal electrocyclic reaction having 4n Π electron takes place with conrotatory motion.
>
The photochemical electrocyclic reaction having 4n Π electron takes place with disrotatory motion.
>
The electrocyclic reactions are initiated by heat or light and are stereospecific in nature.

Expert Solution & Answer

Answer to Problem 1PP

Solution:

The product of the reaction is given below:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 1

Explanation of Solution

The compound cis,trans−2,4−hexadiene follows 4n Π electron rule and according to Woodward-Hoffmann rule, for electrocyclic reaction, the photochemical cyclization reaction of cis,trans−2,4−hexadiene takes place with disrotatory motion.

Thus, the photochemical cyclization reaction of cis,trans−2,4−hexadiene is as:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 2

Conclusion

The product of the reaction is trans−3,4−dimethylcyclobutene.

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Answer 3

Question

Chapter D, Problem 1PP

Interpretation Introduction

Interpretation:

The product of photochemical cyclization reaction of cis,trans−2,4−hexadiene is to be determined with the help of given structure.

Concept Introduction:
>
The compounds that have the same molecular formula of atoms but the structure of the compounds are different for the positions of atoms are called isomers.
>
In double bond or cyclic compounds, if two same functional groups are present on the same side of the double bond or cyclic compound, the given compound can be labeled as cis.
>
If the two functional groups are present on the different sides of the double bond or cyclic compound, the given compound can be labeled as Trans.
>
Cis-trans isomerism exists in the compounds in which similar groups are present on the adjacent carbon atoms.
>
The thermal electrocyclic reaction having 4n Π electron takes place with conrotatory motion.
>
The photochemical electrocyclic reaction having 4n Π electron takes place with disrotatory motion.
>
The electrocyclic reactions are initiated by heat or light and are stereospecific in nature.

Expert Solution & Answer

Answer to Problem 1PP

Solution:

The product of the reaction is given below:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 1

Explanation of Solution

The compound cis,trans−2,4−hexadiene follows 4n Π electron rule and according to Woodward-Hoffmann rule, for electrocyclic reaction, the photochemical cyclization reaction of cis,trans−2,4−hexadiene takes place with disrotatory motion.

Thus, the photochemical cyclization reaction of cis,trans−2,4−hexadiene is as:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 2

Conclusion

The product of the reaction is trans−3,4−dimethylcyclobutene.

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Answer 4

Question

Chapter D, Problem 1PP

Interpretation Introduction

Interpretation:

The product of photochemical cyclization reaction of cis,trans−2,4−hexadiene is to be determined with the help of given structure.

Concept Introduction:
>
The compounds that have the same molecular formula of atoms but the structure of the compounds are different for the positions of atoms are called isomers.
>
In double bond or cyclic compounds, if two same functional groups are present on the same side of the double bond or cyclic compound, the given compound can be labeled as cis.
>
If the two functional groups are present on the different sides of the double bond or cyclic compound, the given compound can be labeled as Trans.
>
Cis-trans isomerism exists in the compounds in which similar groups are present on the adjacent carbon atoms.
>
The thermal electrocyclic reaction having 4n Π electron takes place with conrotatory motion.
>
The photochemical electrocyclic reaction having 4n Π electron takes place with disrotatory motion.
>
The electrocyclic reactions are initiated by heat or light and are stereospecific in nature.

Expert Solution & Answer

Answer to Problem 1PP

Solution:

The product of the reaction is given below:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 1

Explanation of Solution

The compound cis,trans−2,4−hexadiene follows 4n Π electron rule and according to Woodward-Hoffmann rule, for electrocyclic reaction, the photochemical cyclization reaction of cis,trans−2,4−hexadiene takes place with disrotatory motion.

Thus, the photochemical cyclization reaction of cis,trans−2,4−hexadiene is as:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 2

Conclusion

The product of the reaction is trans−3,4−dimethylcyclobutene.

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Answer 5

Chapter D, Problem 1PP

Interpretation Introduction

Interpretation:

The product of photochemical cyclization reaction of cis,trans−2,4−hexadiene is to be determined with the help of given structure.

Concept Introduction:
>
The compounds that have the same molecular formula of atoms but the structure of the compounds are different for the positions of atoms are called isomers.
>
In double bond or cyclic compounds, if two same functional groups are present on the same side of the double bond or cyclic compound, the given compound can be labeled as cis.
>
If the two functional groups are present on the different sides of the double bond or cyclic compound, the given compound can be labeled as Trans.
>
Cis-trans isomerism exists in the compounds in which similar groups are present on the adjacent carbon atoms.
>
The thermal electrocyclic reaction having 4n Π electron takes place with conrotatory motion.
>
The photochemical electrocyclic reaction having 4n Π electron takes place with disrotatory motion.
>
The electrocyclic reactions are initiated by heat or light and are stereospecific in nature.

Expert Solution & Answer

Answer to Problem 1PP

Solution:

The product of the reaction is given below:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 1

Explanation of Solution

The compound cis,trans−2,4−hexadiene follows 4n Π electron rule and according to Woodward-Hoffmann rule, for electrocyclic reaction, the photochemical cyclization reaction of cis,trans−2,4−hexadiene takes place with disrotatory motion.

Thus, the photochemical cyclization reaction of cis,trans−2,4−hexadiene is as:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 2

Conclusion

The product of the reaction is trans−3,4−dimethylcyclobutene.

Answer 6

Chapter D, Problem 1PP

Interpretation Introduction

Interpretation:

The product of photochemical cyclization reaction of cis,trans−2,4−hexadiene is to be determined with the help of given structure.

Concept Introduction:
>
The compounds that have the same molecular formula of atoms but the structure of the compounds are different for the positions of atoms are called isomers.
>
In double bond or cyclic compounds, if two same functional groups are present on the same side of the double bond or cyclic compound, the given compound can be labeled as cis.
>
If the two functional groups are present on the different sides of the double bond or cyclic compound, the given compound can be labeled as Trans.
>
Cis-trans isomerism exists in the compounds in which similar groups are present on the adjacent carbon atoms.
>
The thermal electrocyclic reaction having 4n Π electron takes place with conrotatory motion.
>
The photochemical electrocyclic reaction having 4n Π electron takes place with disrotatory motion.
>
The electrocyclic reactions are initiated by heat or light and are stereospecific in nature.

Expert Solution & Answer

Answer to Problem 1PP

Solution:

The product of the reaction is given below:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 1

Explanation of Solution

The compound cis,trans−2,4−hexadiene follows 4n Π electron rule and according to Woodward-Hoffmann rule, for electrocyclic reaction, the photochemical cyclization reaction of cis,trans−2,4−hexadiene takes place with disrotatory motion.

Thus, the photochemical cyclization reaction of cis,trans−2,4−hexadiene is as:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 2

Conclusion

The product of the reaction is trans−3,4−dimethylcyclobutene.

Answer 7

Chapter D, Problem 1PP

Interpretation Introduction

Interpretation:

The product of photochemical cyclization reaction of cis,trans−2,4−hexadiene is to be determined with the help of given structure.

Concept Introduction:
>
The compounds that have the same molecular formula of atoms but the structure of the compounds are different for the positions of atoms are called isomers.
>
In double bond or cyclic compounds, if two same functional groups are present on the same side of the double bond or cyclic compound, the given compound can be labeled as cis.
>
If the two functional groups are present on the different sides of the double bond or cyclic compound, the given compound can be labeled as Trans.
>
Cis-trans isomerism exists in the compounds in which similar groups are present on the adjacent carbon atoms.
>
The thermal electrocyclic reaction having 4n Π electron takes place with conrotatory motion.
>
The photochemical electrocyclic reaction having 4n Π electron takes place with disrotatory motion.
>
The electrocyclic reactions are initiated by heat or light and are stereospecific in nature.

Answer 8

Expert Solution & Answer

Answer to Problem 1PP

Solution:

The product of the reaction is given below:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 1

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

The compound cis,trans−2,4−hexadiene follows 4n Π electron rule and according to Woodward-Hoffmann rule, for electrocyclic reaction, the photochemical cyclization reaction of cis,trans−2,4−hexadiene takes place with disrotatory motion.

Thus, the photochemical cyclization reaction of cis,trans−2,4−hexadiene is as:

Organic Chemistry, Chapter D, Problem 1PP , additional homework tip 2

Answer 12

Conclusion

The product of the reaction is trans−3,4−dimethylcyclobutene.

Answer 13

Ch. D - Prob. 1PP Ch. D - Practice Problem D.2 (a) Show the orbitals...Ch. D - Prob. 3PP Ch. D - Prob. 4PP Ch. D - Prob. 5PP Ch. D - Prob. 6PP Ch. D - Practice Problem D.7 Can you suggest a...Ch. D - Practice Problem D.8 When compound A is heated,...Ch. D - Prob. 9PP Ch. D - Practice Problem D.10 What reactant could lead to...

Answer to Problem 1PP

Explanation of Solution

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Chapter D Solutions