HRID2067265

反应详情

EQUATION

反应方程式

HRID 2067265 的结构方程式

PROCEDURE

实验过程

The reaction was carried out similarly as described in the preparation of compound 138, using compound 435 (0.24 mmol) and ethylamine hydrochloride (0.55 mg). The crude product was purified by continuous gradient flash chromatography using MeOH/DCM 0:100 to 15:85 as the eluent to afford the title compound. 13C NMR (CDCl3) δ 194.8, 159.4 (dd), 155.8 (dd), 148.6, 144.7, 140.8, 138.3, 135.4, 134.6, 133.9, 132.6, 128.2, 124.9 (dd), 124.1 (dd), 122.2, 120.8, 120.4, 116.1, 112.7, 111.7 (dd), 105.0 (dd), 46.5, 42.8, 23.2, 19.9, 12.1

WORKUP

后处理

  1. customThe crude product was purified by continuous gradient flash chromatography