618070-09-0Relevant academic research and scientific papers
Iodine-promoted synthesis of acylindolizine derivatives from acetylenecarboxylates and pyridinium, isoquinolinium, or quinolinium ylides
Liu, Juanjuan,Yan, Peiyun,Li, Yan,Zhou, Zhengquan,Ye, Weijian,Yao, Juan,Wang, Cunde
, p. 617 - 625 (2014/04/03)
An iodine-promoted synthesis of acylindolizinecarboxylates via 1,3-dipolar cycloaddition of nitrogen ylides with acetylenecarboxylates and subsequent aromatization for the generation of a wide range of structurally interesting, pharmacologically and photoelectrically significant compounds is reported. Only readily available materials, mild conditions, and operationally trivial reaction protocols were required. Graphical abstract: [Figure not available: see fulltext.]
Generation of pyrrolo[2,1-a]isoquinoline derivatives from N-ylides: Synthetic control and structural characterization
Dumitrascu, Florea,Caira, Mino R.,Georgescu, Emilian,Georgescu, Florentina,Draghici, Constantin,Popa, Marcel Mirel
experimental part, p. 723 - 729 (2012/01/05)
New pyrrolo[2,1-a]isoquinolines were obtained by two one-pot procedures via 1,3-dipolar cycloaddition between the isoquinolinium N-ylides and symmetrical acetylenic dipolarophiles, avoiding the formation of dihydro intermediates. For structural comparison
Synthesis of benzoindolizine derivatives by reaction of trimethyl phosphite, dialkyl acetylenedicarboxylates and isoquinolinium or quinolinium bromides
Anary-Abbasinejad, Mohammad,Charkhati, Khadije,Hassanabadi, Alireza
experimental part, p. 95 - 97 (2009/11/30)
The reactive 1:1 adduct produced by the addition of trimethyl phosphite to dialkyl acetylenedicarboxylates protonated by isoquinolinium or quinolinium bromides to afford isoquinolinium or quinolinium ylides and vinyl phosphonium bromides. 1,3-Dipolar cycl
