6109-35-9Relevant academic research and scientific papers
Weinreb amide based synthetic equivalents for convenient access to 4-aryl-1,2,3,4-tetrahydroisoquinolines
Kommidi, Harikrishna,Balasubramaniam, Sivaraman,Aidhen, Indrapal Singh
experimental part, p. 3723 - 3729 (2010/07/05)
New synthetic equivalents, N-methoxy-N-methyl-N′-phenylsulfonyl glycinamide and N-methoxy-N-methyl-N′-benzyl-N′-tert-butyloxy carbonyl glycinamide based on WA functionality were developed for the convenient synthesis of 4-aryl-1,2,3,4-tetrahydroisoquinoline framework. Two simple reactions, N-benzylation and addition of arylmagnesium halide on the WA functionality of the former afforded the key intermediate for convenient synthesis of N-phenylsulfonyl protected 4-aryl-1,2,3,4-tetrahydroisoquinoline, through reduction and acid promoted cyclization. With the latter, the addition of arylmagnesium halide on the WA functionality followed by the same protocol afforded the direct synthesis of 4-aryl-1,2,3,4-tetrahydroisoquinolines in good yields. The acid promoted cyclization step enabled concomitant removal of N-Boc protection.
CYCLIZATION OF N-(2-AMINOBENZYL) BENZYLAMINO-1-PHENYL-1-ETHANOLS AND DEBENZYLATION OF THE RESULTING TETRAHYDROISOQUINOLINE DERIVATIVES
Zara-Kaczian, Erzsebet,Deak, Gyula,Szoelloesy, Aron,Brlik, Janos
, p. 743 - 755 (2007/10/02)
Debenzylation reactions of 2-(o-aminobenzyl)-4-phenyl-1,2,3,4-tetrahydroisoquinolines (3a, b) and their N-acetyl derivatives (4a, b), obtained by the cyclization of N-(2-aminobenzyl)benzylamino-1-phenyl-1-ethanols (1), were studied.
