The following transformation can be carried out in three steps. The reagents required for these three steps in their correct order are:
- A$i$. $NaBH_4$; $ii$. $PCl_5$; $iii$. anhyd. $AlCl_3$
- B$i$. $SOCl_2$; $ii$. anhyd. $AlCl_3$; $iii$. $Zn(Hg)/HCl$
- C$i$. $Zn(Hg)/HCl$; $ii$. $SOCl_2$; $iii$. anhyd. $AlCl_3$
- D$i$. conc. $H_2SO_4$; $ii$. $H_2N-NH_2 \cdot H_2O$; $iii$. $KOH$,ethylene glycol,$\Delta$
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Similar Questions
Identify the final product $(D)$ in the following reaction sequence:
Phthalic anhydride $\xrightarrow{PCl_5} (A)$ $\xrightarrow{LiAlH_4} (B)$ $\xrightarrow{PCC} (C)$ $\xrightarrow{HO^-, \Delta} (D)$
Phthalic anhydride $\xrightarrow{PCl_5} (A)$ $\xrightarrow{LiAlH_4} (B)$ $\xrightarrow{PCC} (C)$ $\xrightarrow{HO^-, \Delta} (D)$
Difficult
View SolutionCompound $A$ was treated with a large excess of $CH_3MgBr$. The resulting product was exposed to $POCl_3$ /pyridine to give compound $B$,as one of many products.
Which of the following compounds can be $A$ ?
Which of the following compounds can be $A$ ?
The acidity of compounds $I-IV$ in water follows the order:
$I.$ ethanol
$II.$ acetic acid
$III.$ phenol
$IV.$ acetonitrile
$I.$ ethanol
$II.$ acetic acid
$III.$ phenol
$IV.$ acetonitrile
MediumKVPY 2017
View SolutionIn the following reaction sequence,the compound $J$ is an intermediate.
$I$ $\xrightarrow{(CH_3CO)_2O / CH_3COONa} J$ $\xrightarrow[(ii) \text{ anhyd. } AlCl_3]{(i) H_2, Pd/C, (ii) SOCl_2} K$
$J \left( C_9H_8O_2 \right)$ gives effervescence on treatment with $NaHCO_3$ and positive Baeyer's test.
$1.$ The compound $K$ is
$2.$ The compound $I$ is
Give the answer for question $1$ and $2.$
$I$ $\xrightarrow{(CH_3CO)_2O / CH_3COONa} J$ $\xrightarrow[(ii) \text{ anhyd. } AlCl_3]{(i) H_2, Pd/C, (ii) SOCl_2} K$
$J \left( C_9H_8O_2 \right)$ gives effervescence on treatment with $NaHCO_3$ and positive Baeyer's test.
$1.$ The compound $K$ is
$2.$ The compound $I$ is
Give the answer for question $1$ and $2.$
In the reaction $Ph-COOH + NaHC^*O_3 \to \text{Product}$,the labeled carbon $C^*$ is found in which of the following products?
Medium
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