113967-06-9Relevant academic research and scientific papers
Synthesis of 1,2,3,4,5,8-Hexahydroisoquinoline-5,8-diones Using Oxidative Demethylation with Ceric Ammonium Nitrate or Argentic Oxide
Kitahara, Yoshiyasu,Nakahara, Shinsuke,Koizumi, Yuichi,Muranishi, Harumi,Kubo, Akinori
, p. 3623 - 3627 (2007/10/02)
The oxidative demethylation of 5,7,8-trimethoxy-1,2,3,4-tetrahydroisoquinolines to the corresponding 7-methoxy-1,2,3,4,5,8-hexahydroisoquinoline-5,8-diones is described.Keywords: synthesis; ceric ammonium nitrate; argentic oxide; oxidative demethylation;
A Facile Sythesis of 1,2,3,4-Tetrahydroisoquinolines Through Cyclization of O,N-Acetals
Kubo, Akinori,Saito, Naoki,Kawakami, Nanko,Matsuyama, Yasuo,Miwa, Teruyo
, p. 824 - 827 (2007/10/02)
A mild and efficient method for the synthesis of 1,2,3,4-tetrahydroisoquinolines by a modified Pictet-Spengler reaction involving Lewis acid-mediated cyclization of O,N-acetals is described.
