(a) Suppose 2,2-dimethyloxirane reacts with water that has been enriched with the oxygen isotope ¹⁸O. Indicate how the hydrolysis product would differ under acidic and basic conditions.

(b) Show how the stereochemistry of the products will differ (if at all) when the following enantiomerically pure epoxide reacts with water under acidic and basic conditions.

Transcribed Image Text:

O H₂CC-CH D3C D