Total number of compounds with Chiral carbon atoms from following is . [figure] CH3-CH2-CH(NO2)-COOH CH3-CH2-CHBr-CH2-CH3 CH3-CH(I)-CH2-NO2 CH3-CH2-CH(OH)-CH2OH CH3- I |CH-CH(I)-C2H5
Answer
5
Solution
Chiral carbon = sp3 C with four different groups (marked ∗):
[figure]
CH3-CH2- CH(NO2)-COOH ✓
CH3-CH2-CHBr-CH2-CH3: two C2H5 on C-3 ⇒ ✗
CH3- CH(I)-CH2-NO2 ✓
CH3-CH2- CH(OH)-CH2OH ✓
CH3- CH(I)- CH(I)-C2H5 ✓
∴ Compounds with chiral C = 5
Answer: 5