“…[1][2][3][4] It is found in the recent literature that several indole derivatives are reported to possess a wide variety of biological properties, e.g. CNS depressant, 5 anti-inflammatory and analgesic, 6 antiviral, 7 anthelmintic, 8 antibacterial, 9 anticonvulsant, 10 cardiovascular, 11 and antihypertensive activity. 12 In recent years, 1,4-diazabicyclo[2.2.2]octane (DABCO) has emerged as a promoter for various organic reactions.…”