Given the following sequence of reactions CH3CH2INaCN-AOH-Partial hydrolysis-BBr2-NaOH-C- The major product C is-

The correct option is A CH_3CH_2NH_2 CH_3CH_2INaCN→(A)CH_3CH_2CNOH^ →(B)CH_3CH_2CONH_2Br_2/NaOH→(C)CH_3CH_2NH_2 .Last step is Hoffmann bromamide #1 ...

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Byju's Answer

Standard XII

Chemistry

Hydrohalogenation of Alkenes

Given the fol...

Question

Given the following sequence of reactions $C H_{3} C H_{2} I N a C N \to A O H^{-} \to P a r t i a l h y d r o l y s i s B B r_{2} / N a O H \to C$ . The major product C is:

C H_{3} C H_{2} N H_{2}

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C H_{3} C H_{2} - C | | O - N H B r

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C H_{3} C H_{2} C O O N H_{4}

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C H_{3} C H_{2} C | | O - N B r_{2}

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Solution

The correct option is A $C H_{3} C H_{2} N H_{2}$
$C H_{3} C H_{2} I N a C N \to C H_{3} C H_{2} C N (A) O H^{-} \to C H_{3} C H_{2} C O N H_{2} (B) B r_{2} / N a O H \to C H_{3} C H_{2} N H_{2} (C)$ .

Last step is Hoffmann bromamide reduction reaction which convert amide into amine.

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Similar questions

Give the structures of A,B and C in the following reactions :

(i) CH3CH2INaCN−−−−→AOH−−−−−−−−−−−−→Partial hydrolysisBNaOH+Br2−−−−−−−→C

(ii) C6H5N2ClCuCN−−−−→AH2O−−→BNH3−−−→ΔC

(iii) CH3CH2BrKCN−−−→ALiAIH4−−−−−→BHNO2−−−−→0∘C

(iv) C6H5NO2Fe/HCI−−−−−→ANaNO2+HCl−−−−−−−−→273KBH2O/H+−−−−−→ΔC

(v) CH3COOHNH3−−−→ΔANaOBr−−−−→BNaNO2/HCl−−−−−−−−→C

(vi) C6H5NO2Fe/HCl−−−−−→AHNO2−−−−→273BC6H5OH−−−−−→C

C H_{3} C H_{2} - C | | O - C H_{3} N a N O_{2} - --- \to H C l

Major product of this reaction is:

C H_{3} C H_{2} - O | | C - C H_{3} N a N O_{2} \to H C l

; Major product of this reaction is?

Q. Given the following sequence of reaction:

{C H}_{3} {C H}_{2} I N a C N - ----- \to A {O H}^{-} - ---------------- \to P a r t i a l h y d r o l y s i s B {B r}_{2} / N a O H - --------- \to C

The major product

C

is:

Q. Consider the following sequence of reactions.

C_{6} H_{5} N H_{2} {A c}_{2} O - ------ \to H e a t A C o n c . H N O_{3} - ---------- \to \begin{matrix} C o n c . H_{2} S O_{4} 0 - 15^{o} C \end{matrix} B (M i n o r) a q . H_{2} S O_{4} - --------- \to H e a t C (M a j o r)

The major product

(C)

is:

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Given the following sequence of reactions CH3CH2INaCN→AOH−→PartialhydrolysisBBr2/NaOH→C. The major product C is:

The correct option is A CH3CH2NH2CH3CH2INaCN→CH3CH2CN(A)OH−→CH3CH2CONH2(B)Br2/NaOH→CH3CH2NH2(C).Last step is Hoffmann bromamide reduction reaction which convert amide into amine.

Given the following sequence of reactions $C H_{3} C H_{2} I N a C N \to A O H^{-} \to P a r t i a l h y d r o l y s i s B B r_{2} / N a O H \to C$ . The major product C is:

The correct option is A $C H_{3} C H_{2} N H_{2}$
$C H_{3} C H_{2} I N a C N \to C H_{3} C H_{2} C N (A) O H^{-} \to C H_{3} C H_{2} C O N H_{2} (B) B r_{2} / N a O H \to C H_{3} C H_{2} N H_{2} (C)$ .

Last step is Hoffmann bromamide reduction reaction which convert amide into amine.