Cyclization (Pummerer; rapid access to tetracyclic ring system of lennoxamine type alkaloid by combined use of a novel three-component reaction and a Pummerer cyclization); Alkaloids Role: SPN (Synthetic preparation)

PREP (Preparation) (isoindolobenzazepine and isoindoloisoquinoline ring systems; rapid access to tetracyclic ring system of lennoxamine type alkaloid by combined use of a novel three-component reaction and a Pummerer cyclization); Stereoselective synthesis (rapid access to tetracyclic ring system of lennoxamine type alkaloid by combined use of a novel three-component reaction and a Pummerer cyclization); Cyclization (three-component; rapid access to tetracyclic ring system of lennoxamine type alkaloid by combined use of a novel three-component reaction and a Pummerer cyclization)

lennoxamine type alkaloid tetracyclic ring system prepn; three component reaction lennoxamine type alkaloid synthesis; Pummerer cyclization reaction lennoxamine type alkaloid synthesis; allylamine phenethyl deriv cyclization phenylthioacetaldehyde isocyanoacetamide; aldehyde phenylthio deriv cyclization phenethylallylamine isocyanoacetamide; isocyanoacetamide morpholine amide cyclization phenethylallylamine phenylthioacetaldehyde; phenethylallylamine deriv cyclization phenylthioacetaldehyde isocyanoacetamide