84801-85-4Relevant articles and documents
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