Discussion Forum



1)

The absolute configuration of

23112020766_14Ques.JPG


A) (2S,3R)

B) (2S,3S)

C) (2R,3R)

D) (2R,3S)

Answer:

Option A

Explanation:

23112020905_14Ans(a).JPG

For C-2, the order of priority of substituents is 

OH>CH(Cl)(CH3)>COOH

For C-3 , order of priority of substituents is 

Cl>CH(OH)COOH>CH3

Hence,according to CIP rules ,

23112020469_14Ans(b).JPG