1-Benzofuran-5-carbonyl chloride → 3-(Benzo[b]furan-5-yl-methyl)-4-methyl-1-(beta-D-glucopyranosyl)indole

Participants

Reaction Steps

The titled compound was prepared from 4-methyl-1-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)indole obtained in Example 23-(1) and benzo[b]furan-5-carbonyl chloride in a manner similar to Example 3 as a colorless powder. APCI-Mass m/Z 424 (M−H). 1H-NMR (DMSO-d6) δ 2.40 (s, 3H), 3.23 (td, J=8.9, 5.5 Hz, 1H), 3.39 (td, J=8.8, 5.1 Hz, 1H), 3.42-3.47 (m, 2H), 3.65-3.70 (m, 2H), 4.30 (s, 2H), 4.52 (t, J=5.5 Hz, 1H), 5.07 (d, J=5.3 Hz, 1H), 5.13 (d, J=5.0 Hz, 1H), 5.17 (d, J=5.8 Hz, 1H), 5.35 (d, J=9.0 Hz, 1H), 6.70 (d, J=7.1 Hz, 1H), 6.87 (d, J=1.4 Hz, 1H), 6.98 (m, 1H), 7.14 (s, 1H), 7.17 (dd, J=8.6, 1.4 Hz, 1H), 7.35 (d, J=8.3 Hz, 1H), 7.38 (s, 1H), 7.50 (d, J=8.3 Hz, 1H), 7.93 (d, J=2.1 Hz, 1H).

Provenance & Evidence