In the following reaction, ‘A’ is: | JEE Main 2023 Chemistry PYQ

MCQMediumJEE Main 2023 · 1 February, Shift 1Reaction Mechanisms (Substitution, Addition, Elimination)

In the following reaction, ‘A’ is:

A
The open-chain carbamate $(\text{CH}_3)_2\text{CH}-\text{CH}(\text{NHCOOEt})-\text{CH}_2\text{OH}$
B
The five-membered cyclic carbamate (oxazolidin-2-one) with the ring $\text{NH}-\text{C}(=\text{O})-\text{O}-\text{CH}_2-\text{CH}$ , carrying an isopropyl group at C-4
C
The five-membered cyclic imino ether (2-ethoxy-2-oxazoline) with the ring $\text{N}=\text{C}(\text{OEt})-\text{O}-\text{CH}_2-\text{CH}$ , carrying an isopropyl group
D
$(\text{CH}_3)_2\text{CH}-\text{CH}(\text{NH}_2)-\text{CH}_2\text{COOEt}$

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