Consider the following transformations of a compound P . Choose the correct option(s).

Consider the following transformations of a compound $\mathrm{P}$. Choose the correct option(s).

1. P is 

2. X is $\mathrm{Pd}-\mathrm{C}/\mathrm{quinoline}/{\mathrm{H}}_2$

3. P is 

4. R is 

Asked in: JEE Advanced 2020 (Paper 2)

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