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ALCOHOLS, PHENOLS AND ETHER

15618 Most reactive toward acid catalyst dehydration is

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ALCOHOLS, PHENOLS AND ETHER

15619 What are the major products from the following reaction?

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I

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I I

3

(I I I)

4

(I V)

Explanation:

$P h - O - C H_{2} - P h \to_{- I^{Θ}}^{H I}$ $\begin{matrix} P h - \overset{\oplus}{O} - C H_{2} - P h \\ | \\ H \end{matrix}$ $\to P h - O H + C H_{2} - P h$ $\overset{I^{Θ}}{\to} P h - C H_{2} - I$

ALCOHOLS, PHENOLS AND ETHER

15620 Figure $\overset{H^{+} / H_{2} O}{\to} P$ Figure $\to_{(i i) N a B D_{4}}^{(i) H g {(O A c)}_{2} H_{2} O} Q$ Figure $\to_{(i i) H_{2} O_{2} / O H^{-}}^{(i) B D_{6}, T H F} R$ Products $P, Q$ and $R$ are

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Explanation:

$P =$ Addition of $H_{2} O$ with rearrangement of $C^{\oplus}$ takes place.
$Q =$ Addition of $H_{2} O$ without rearrangement of $C^{\oplus}$ takes place.
$R =$ Overall all reaction is hydration of alkene and product seems to follow Anti Markownikoff's rule.

ALCOHOLS, PHENOLS AND ETHER

15621 Product of the reaction $\begin{matrix} \begin{matrix} C H_{2} - O - C H_{3} \\ | \end{matrix} \\ C H - O - C H_{3} \\ | \\ C H_{2} - O - C H_{3} \end{matrix} \overset{H I (e x c e s s)}{\to}$

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ALCOHOLS, PHENOLS AND ETHER

15618 Most reactive toward acid catalyst dehydration is

1

2

3

4

ALCOHOLS, PHENOLS AND ETHER

15619 What are the major products from the following reaction?

1

I

2

I I

3

(I I I)

4

(I V)

Explanation:

$P h - O - C H_{2} - P h \to_{- I^{Θ}}^{H I}$ $\begin{matrix} P h - \overset{\oplus}{O} - C H_{2} - P h \\ | \\ H \end{matrix}$ $\to P h - O H + C H_{2} - P h$ $\overset{I^{Θ}}{\to} P h - C H_{2} - I$

ALCOHOLS, PHENOLS AND ETHER

15620 Figure $\overset{H^{+} / H_{2} O}{\to} P$ Figure $\to_{(i i) N a B D_{4}}^{(i) H g {(O A c)}_{2} H_{2} O} Q$ Figure $\to_{(i i) H_{2} O_{2} / O H^{-}}^{(i) B D_{6}, T H F} R$ Products $P, Q$ and $R$ are

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2

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4

Explanation:

$P =$ Addition of $H_{2} O$ with rearrangement of $C^{\oplus}$ takes place.
$Q =$ Addition of $H_{2} O$ without rearrangement of $C^{\oplus}$ takes place.
$R =$ Overall all reaction is hydration of alkene and product seems to follow Anti Markownikoff's rule.

ALCOHOLS, PHENOLS AND ETHER

15621 Product of the reaction $\begin{matrix} \begin{matrix} C H_{2} - O - C H_{3} \\ | \end{matrix} \\ C H - O - C H_{3} \\ | \\ C H_{2} - O - C H_{3} \end{matrix} \overset{H I (e x c e s s)}{\to}$

1

2

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4

ALCOHOLS, PHENOLS AND ETHER

15618 Most reactive toward acid catalyst dehydration is

1

2

3

4

ALCOHOLS, PHENOLS AND ETHER

15619 What are the major products from the following reaction?

1

I

2

I I

3

(I I I)

4

(I V)

Explanation:

$P h - O - C H_{2} - P h \to_{- I^{Θ}}^{H I}$ $\begin{matrix} P h - \overset{\oplus}{O} - C H_{2} - P h \\ | \\ H \end{matrix}$ $\to P h - O H + C H_{2} - P h$ $\overset{I^{Θ}}{\to} P h - C H_{2} - I$

ALCOHOLS, PHENOLS AND ETHER

15620 Figure $\overset{H^{+} / H_{2} O}{\to} P$ Figure $\to_{(i i) N a B D_{4}}^{(i) H g {(O A c)}_{2} H_{2} O} Q$ Figure $\to_{(i i) H_{2} O_{2} / O H^{-}}^{(i) B D_{6}, T H F} R$ Products $P, Q$ and $R$ are

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2

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4

Explanation:

$P =$ Addition of $H_{2} O$ with rearrangement of $C^{\oplus}$ takes place.
$Q =$ Addition of $H_{2} O$ without rearrangement of $C^{\oplus}$ takes place.
$R =$ Overall all reaction is hydration of alkene and product seems to follow Anti Markownikoff's rule.

ALCOHOLS, PHENOLS AND ETHER

15621 Product of the reaction $\begin{matrix} \begin{matrix} C H_{2} - O - C H_{3} \\ | \end{matrix} \\ C H - O - C H_{3} \\ | \\ C H_{2} - O - C H_{3} \end{matrix} \overset{H I (e x c e s s)}{\to}$

1

2

3

4

ALCOHOLS, PHENOLS AND ETHER

15618 Most reactive toward acid catalyst dehydration is

1

2

3

4

ALCOHOLS, PHENOLS AND ETHER

15619 What are the major products from the following reaction?

1

I

2

I I

3

(I I I)

4

(I V)

Explanation:

$P h - O - C H_{2} - P h \to_{- I^{Θ}}^{H I}$ $\begin{matrix} P h - \overset{\oplus}{O} - C H_{2} - P h \\ | \\ H \end{matrix}$ $\to P h - O H + C H_{2} - P h$ $\overset{I^{Θ}}{\to} P h - C H_{2} - I$

ALCOHOLS, PHENOLS AND ETHER

15620 Figure $\overset{H^{+} / H_{2} O}{\to} P$ Figure $\to_{(i i) N a B D_{4}}^{(i) H g {(O A c)}_{2} H_{2} O} Q$ Figure $\to_{(i i) H_{2} O_{2} / O H^{-}}^{(i) B D_{6}, T H F} R$ Products $P, Q$ and $R$ are

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2

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4

Explanation:

$P =$ Addition of $H_{2} O$ with rearrangement of $C^{\oplus}$ takes place.
$Q =$ Addition of $H_{2} O$ without rearrangement of $C^{\oplus}$ takes place.
$R =$ Overall all reaction is hydration of alkene and product seems to follow Anti Markownikoff's rule.

ALCOHOLS, PHENOLS AND ETHER

15621 Product of the reaction $\begin{matrix} \begin{matrix} C H_{2} - O - C H_{3} \\ | \end{matrix} \\ C H - O - C H_{3} \\ | \\ C H_{2} - O - C H_{3} \end{matrix} \overset{H I (e x c e s s)}{\to}$

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