3-ethyl-1,2,4-trimethoxy-5-nitrobenzene 在
盐酸 、 tin 作用下,
反应 1.0h,
以94%的产率得到3-ethyl-2,4,5-trimethoxyaniline
参考文献:
名称:
Synthesis of 2(1H)-Quinolinonequinones and 2-Alkoxyquinolinequinones Using Oxidative Demethylation with Cerium (IV) Ammonium Nitrate
摘要:
2,5,8(1H)-Quinolinetriones (12), 2,5,6(1H)-quinolinetriones (13), 2-alkoxy-5,8-quinolinediones (14), 2,8-dimethoxy-5,6-quinolinedione (15), and 2,6-dimethoxy-7,8-quinolinediones (16) were synthesized by oxidative demethylation of the corresponding 2(1H)-quinolinones (7) and 2-alkoxyquinolines (11) with cerium (IV) ammonium nitrate.
2,5,8(1H)-Quinolinetriones (12), 2,5,6(1H)-quinolinetriones (13), 2-alkoxy-5,8-quinolinediones (14), 2,8-dimethoxy-5,6-quinolinedione (15), and 2,6-dimethoxy-7,8-quinolinediones (16) were synthesized by oxidative demethylation of the corresponding 2(1H)-quinolinones (7) and 2-alkoxyquinolines (11) with cerium (IV) ammonium nitrate.