Thiamine or vitamin B1, contains a positively charged five membered nitrogen-sulfur heterocycle ring called a thiazolium ring. Why the thiazolium ring is aromatic is to be explained. Concept introduction: According to Huckel’s rule a planar, cyclic conjugated system will be aromatic if it contains (4n+2)Ï€ electrons. Systems with 4nÏ€ electrons will be antiaromatic. To explain: Why the thiazolium ring in Thiamine or vitamin B1 is aromatic.

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Answer 1

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Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.5, Problem 10P

Interpretation Introduction

Interpretation:

Thiamine or vitamin B1, contains a positively charged five membered nitrogen-sulfur heterocycle ring called a thiazolium ring. Why the thiazolium ring is aromatic is to be explained.

Concept introduction:

According to Huckel’s rule a planar, cyclic conjugated system will be aromatic if it contains (4n+2)Ï€ electrons. Systems with 4nÏ€ electrons will be antiaromatic.

To explain:

Why the thiazolium ring in Thiamine or vitamin B1 is aromatic.

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Draw Newman projects for each of the following molecules with 3 different rotational angles from carbon 2 to carbon 3. Rank your structures from lowest to highest energy. What causes the energy differences? Label the overlap. a. b. Br OH C. Br Br

Answer 2

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Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.5, Problem 10P

Interpretation Introduction

Interpretation:

Thiamine or vitamin B1, contains a positively charged five membered nitrogen-sulfur heterocycle ring called a thiazolium ring. Why the thiazolium ring is aromatic is to be explained.

Concept introduction:

According to Huckel’s rule a planar, cyclic conjugated system will be aromatic if it contains (4n+2)Ï€ electrons. Systems with 4nÏ€ electrons will be antiaromatic.

To explain:

Why the thiazolium ring in Thiamine or vitamin B1 is aromatic.

Expert Solution & Answer

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See solution

Check out sample textbook solution

Answer 3

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.5, Problem 10P

Interpretation Introduction

Interpretation:

Thiamine or vitamin B1, contains a positively charged five membered nitrogen-sulfur heterocycle ring called a thiazolium ring. Why the thiazolium ring is aromatic is to be explained.

Concept introduction:

According to Huckel’s rule a planar, cyclic conjugated system will be aromatic if it contains (4n+2)Ï€ electrons. Systems with 4nÏ€ electrons will be antiaromatic.

To explain:

Why the thiazolium ring in Thiamine or vitamin B1 is aromatic.

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 4

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.5, Problem 10P

Interpretation Introduction