HRID2230481

反应详情

EQUATION

反应方程式

HRID 2230481 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

was prepared by a similar method as compound 506a. 81%: [α]D28 −146.7° (c 0.4, CH2Cl2); IR (KBr) 3438, 2904, 2113, 1728, 1669, 1523, 1368, 1328, 1155; 1H NMR (CDCl3) δ7.32 (1H, d), 6.43 (1H, d), 5.50 (1H, s), 5.22 (1H, m), 4.94 (1H, m), 4.77 (1H, m), 4.60 (1H, m), 3.24 (1H, m), 3.03-2.52 (4H, m), 2.36 (1H, m), 2.10-1.64 (5H, m), 2.02 (3H, s), 1.45 (9H, s). Anal. Calcd for C21H20N6O7: C, 52.69; H, 6.32; N, 17.05. Found: C, 52.51; H, 6.27; N, 17.36. MS (ES+) 477(M+−1, 100%).