反应详情

The title compound was prepared using the procedure described for Example 2K by using ((3aR,4R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol (2.04 g, 10 mmol), CH2Cl2 (25 mL), 2-hydroxyisoindoline-1,3-dione (2.0 g, 12 mmol), triphenylphosphine (4.0 g, 15 mmol), diisopropylazodicarboxylate (3.0 ml, 15 mmol) and hydrazine hydrate (2.0 mL, 20 mmol) to afford 1.12 g of 04(3aR,4R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl)hydroxylamine (2Y) (50%, over two steps) as a pale yellow oil. 1H NMR (400 MHz, CHLOROFORM-d) δ ppm 1.24 (s, 3H) 1.26 (s, 3H) 3.31 (s, 3H) 3.59-3.75 (m, 2H) 4.44 (t, J=7.20 Hz, 1H) 4.56 (d, J=5.81 Hz, 1H) 4.67 (d, J=6.06 Hz, 1H) 4.92-5.00 (m, 1H). MS (ES) [M+H] calculated for C9H18NO5, 220.11; found 220.10.

1. customThe title compound was prepared