反应详情

Substitution of an equivalent quantity of methyl 7-(3(R)-hydroxy-5-oxocyclopent-1-en-1-yl)heptanoate for the methyl 7-(3(S)-hydroxy-5-oxocyclopent-1-en-1-yl)heptanoate and substantial repetition of the procedure detailed above affords methyl 7-(3(R)-tetrahydropyran-2-yloxy-5-oxocyclopent-1-en-1-yl)heptanoate.