HRID1012666

反应详情

EQUATION

反应方程式

HRID 1012666 的结构方程式

PROCEDURE

实验过程

Compound 424 (100 mg, 0.25 mmol) and O-butyl-hydroxylamine (63 mg, 0.50 mmol) were treated as described for compound 337. Flash chromatography (ethyl acetate/petroleum ether: graduated from 20/80 to 60/40) provided the title compound. 13C NMR (CDCl3) δ 195.4, 165.9, 159.3 (dd), 155.7 (dd), 148.3, 142.0, 139.8, 135.4, 133.8, 131.7, 129.5, 129.1, 128.6, 127.7, 124.6 (dd), 124.1 (dd), 116.2, 112.8, 111.7 (dd), 105.0 (dd), 76.9, 30.1, 20.4, 19.1, 13.8