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An amino acid may be represented by gene...

An amino acid may be represented by general formula `H_2N - oversetR overset(|)CH - COOH.` If `R = - CH_2C_6H_5` then it is phenylalanine (Phe) and if `R = CH_3` then it is alanine (Ala). Find the sequence of reagents from those given below to synthesize Phe- Ala.
(1) `ZNHoverset(CH_3)overset(|)CHCO_2H`
(2) `CH_3overset(|)H_2NCHCO_2CH_2C_6H_5`
(3) `ZNHoverset(CH_2C_6H_5)overset(|)CHCO_2H`
(4)` H_2N overset(CH_2C_6H_5)overset(|)CHCO_2CH_2C_6H_5`

A

1 and 2

B

1 and 4

C

2 and 3

D

3 and 4

Text Solution

Verified by Experts

The correct Answer is:
B
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