(Z,Z)-1-benzyloxy-3-(6-(1'-benzyloxy-2'-oxopiperidin-3'-ylmethylene)pyridin-2-ylmethylene)piperidin-2-one 在
氢溴酸 、
溶剂黄146 作用下,
反应 96.0h,
以85.4%的产率得到(Z,Z)-1-hydroxy-3-(6-(1'-hydroxy-2'-oxopiperidin-3'-ylmethylene)-pyridin-2-ylmethylene)piperidin-2-one hydrobromide