1357080-18-2Relevant academic research and scientific papers
Synthesis of pyrroles through a 4π-electrocyclic ring-closure reaction of 1-azapentadienyl cations
Narayan, Rishikesh,Froehlich, Roland,Wuerthwein, Ernst-Ulrich
, p. 1868 - 1879 (2012)
1-Azapenta-1,4-diene-3-ols 4a-m are easily accessible from 1-azapenta-1,4-dien-3-ones 3a-i and organolithium compounds. Treatment of the compounds 4a-m with strong acid (triflic acid) generates 1-azapentadienyl cations in situ upon protonation at the hydr
