Question #e302f

1 Answer
P dilip_k
May 22, 2016

As discussed below

Explanation:

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Here in the Fischer's projection formula H atoms linked with both C_2 andC_3C2andC3 chiral carbon atoms are kept in horizontal lines ** and following CIP rule on both C_2 andC_3C2andC3 chiral carbon atoms the rotations in going along descending order of priority excluding H atom of least priority are in anticlockwise** direction . So both C_2 and C_3C2andC3 chiral carbon atoms will be marked as R.

For C_2 "The order" ->-OH>C_2H_5(CH_3)CH-.>CH_3-C2The order→−OH>C2H5(CH3)CH−.>CH3−

For C_3 "The order" ->CH_3CHOH-.>C_2H_5-.>CH_3-C3The order→CH3CHOH−.>C2H5−.>CH3−

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