HCID 8030588, compound → HCID 10811759, compound

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Reaction Steps

A mixture of (3R,4S)-3,4-dihydro-2H-pyran-3,4-diyl diacetate (8 g, 40 mmol) and Pd/C (10%, 5.0 g) in MeOH was stirred at RT for 12 h under H2 atmosphere (50 psi). After filtration, the residue was concentrated to give the title compound, which was used without further purification (7.5 g). 1H NMR (400 MHz, CDCl3) δ ppm 2.06 (s, 6 H), 3.95-4.03 (m, 2 H), 4.84 (t, J=4.0 Hz, 1 H), 5.15-5.20 (m, 1 H), 5.43 (t, J=4.0 Hz, 1 H), 6.49 (d, J=4.0 Hz, 1 H).

Provenance & Evidence