Isopropanol → (2-Isopropoxy-5-oxo-tetrahydro-furan-3-yl)-carbamic acid allyl ester

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Reaction Steps

Prepared as described for compound 40 using isopropanol to afford 3.80 grams (81% yield) of the title compound as a colorless oil. 1H-NMR (500 MHz, CDCl3) δ 1.10-1.35 (m, 6H), 2.32-2.60 (m, 1H), 2.82 (dd, 0.5H), 3.02 (dd, 0.5H), 3.82-4.11 (m, 1H), 4.48-4.66 (m, 3H), 5.20-5.36 (m, 2H), 5.54 (dd, 1H), 5.82-6.05 (m, 1H). LC-MS (ES+): m/e=244.2 (M+H+).

Provenance & Evidence