The ambident reactivity of the imine-enamines (1) and (2) towards 1,3-dihalogenopropanes leads to an expeditious and efficient synthesis of someindoloquinolizines.
作者:Danieli, Bruno、Lesma, Giordano、Palmisano, Giovanni
DOI:——
日期:——
A mild novel synthesis of simple 1-oxo-β-carbolines
作者:Reija Jokela、Mauri Lounasmaa
DOI:10.1016/s0040-4020(01)87806-6
日期:——
The N-9, C-1 dianion of tetrahydro-β-carbolines. Regioselective alkylation leading to indole alkaloid systems
作者:A.I. Meyers、Mallory F. Loewe
DOI:10.1016/s0040-4039(01)81251-x
日期:1984.1
By treatment of β-carboline formamidine (1) with potassium hydride followed by an alkyl lithium reagent, both the pyrrole proton (N-9) and the proton at C-1 are removed. The resulting dianion (3) alkylates cleanly at C-1 and ultimately at N-9 or N-2.