发明授权
US4261909A Process for the reductive removal of halogen atoms from anthraquinones 失效
从蒽醌还原除去卤素原子的方法

Process for the reductive removal of halogen atoms from anthraquinones
摘要:
A process for the reductive removal of halogen atoms from amino-, acylamino- or hydroxyanthraquinones, said halogen atoms being bonded in the .alpha.-position and/or ortho-position to amino, acylamino or hydroxyl groups, which comprises carrying out the reductive removal in basic medium with hydrazine or hydrazine derivatives.
公开/授权文献
信息查询
0/0