CH3OH|CHCH2CH2NHCHO
CH3CH=CH−CH2NH2
CH3−OH|CH−CH=CH2
The correct option is A CH3OH|CHCH2CH2NHCHO
Solution:- (A)
CH3OH|CHCH2CH2NHCHO
CH3OH|CH−CH2−CH2−NH2 + ethyl formate(1equiv) →triethylamine
CH3−OH|CH−CH2−CH2−NH−O||C−H
As NH2 is a better nucleophile than OH.