Beyer, Renee L.Kandemir, HakanBhadbhade, MohanŞengül, İbrahim FazılLeu, Chao-WeiWenholz, Daniel S.Black, David StC.2022-05-112022-05-1120180040-4039https://doi.org/10.1016/j.tetlet.2018.11.011https://hdl.handle.net/20.500.11776/7270Acylation reactions of 4,6-dimethoxyindoles with glyoxyloyl chlorides were achieved by the use of graphite powder in 1,2-dichloroethane at reflux. The products were monoketones as a result of decarbonylation, rather than the expected 1,2-diketones. Treatment of these monoketones with base led to their cyclisation and elimination of methanol to afford the novel dipyrrolo[2.3-a:1',2',3'-fg]acridin-12(1H)-ones. (C) 2018 Elsevier Ltd. All rights reserved.en10.1016/j.tetlet.2018.11.011info:eu-repo/semantics/closedAccessAcylationDecarbonylationAcridonesIndolesPyrroloindolesPyrroloacridonesIndolesArticle595144834486Q2WOS:0004534958000092-s2.0-85056411840Q3