Epoxidation of (R)-cyclohex-2-enol with peracetic acid yields a 95:5 mixture of compounds A and B. Compounds A and B are
(a)Enantiomers
(b)Diastereomers
(c)Constitutional isomers
(d)Homomers
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
Epoxidation on the two faces of the chiral alkene gives the syn (OH-directed, major) and anti epoxides: same connectivity, different relative configuration — diastereomers.