Ion trap experiments and calculations show barrierless formation of endocyclic N-PAHs (C8H7N2+) from pyrimidine cations reacting with acetylene, proposing a new pathway in astrochemistry.
Oba,et al., Identifying the wide diversity of extraterrestrial purine and pyrimidine nucle- obases in carbonaceous meteorites.Nature communications13(1), 2008 (2022)
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Observation of spontaneous N-bearing PAH formation using ion trap: a new formation pathway in the interstellar medium
Ion trap experiments and calculations show barrierless formation of endocyclic N-PAHs (C8H7N2+) from pyrimidine cations reacting with acetylene, proposing a new pathway in astrochemistry.