Substd indoles, benzimidazoles - as anti-immune agents , antitumour agents, serotonin inhibitors, hypnotics

摘要

Title cpds. have formulae (I) and (II):- (where R1-3 are H or 1-8C alkyl; R4 is H or benzyl opt. 0-5 times substd. by 1-8C alkyl or alkoxy halogen), esp. 2-benzyl-5-hydroxytryptamine and 1-(2-aminoethyl)-2-benzyl-5-methoxybenzimidazole.