Part $2$: The scheme below outlined five different reactions $($Grignard$,NaB{H}_4$ reduction, haloform, AMol cundensation and imine$)$ using unkewn $x$ as the itarting muterial.

Figare $1$: $\text{'}$H$-$NMR of anknown X $($CalluO$)$

Figure $2$: APT of anknown $x(C_4{H}_{4}O)$

Figure $3$: IR of anknown $x(C,H_{n}O)$

Figures $4-8$ belong to $5$ different prodacts obtained in seheme $1.$

Page $3$ of $4$

Figare $5($APT$)$: the structure of this prodact is