1,1-Disubstituted Tetrahydroisoquinolines from Enaminones via Pictet–Spengler Reaction
摘要:
Enaminones, prepared by condensation of homoveratrylamine with 1,3-dicarbonyl compounds, undergo intramolecular cyclization in acidic media to afford 1,1-disubstituted tetrahydroisoquinolines in good yields. Further modification of the title compounds is demonstrated.
1,1-Disubstituted Tetrahydroisoquinolines from Enaminones via Pictet–Spengler Reaction
摘要:
Enaminones, prepared by condensation of homoveratrylamine with 1,3-dicarbonyl compounds, undergo intramolecular cyclization in acidic media to afford 1,1-disubstituted tetrahydroisoquinolines in good yields. Further modification of the title compounds is demonstrated.