84801-89-8Relevant academic research and scientific papers
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
Studies on 1,3-Dipolar Cycloaddition Reactions of Some Cycloimmonium Ylides
Tewari, Ram S.,Dixit, Priya D.,Dubey, Ajay K.
, p. 283 - 285 (2007/10/02)
A wide variety of some new benzoindolizine derivatives have been synthesized by the interaction of quinolinium and isoquinolinium ylides generated in situ from their precursors with acetylenic dipolarophiles.Triethylamine in benzene media was used as the
