7628-77-5Relevant articles and documents
Cinnolines and Pyrazolopyridazines. - Novel Synthetic and Mechanistic Aspects of the Richter Reaction
Vasilevsky, Sergei F.,Tretyakov, Eugene V.
, p. 775 - 780 (2007/10/02)
The thermal cyclization of 2-alkynylbenzenediazonium salts 2 known as the Richter reaction and leading, as described in the literature, only to 4-hydroxycinnolines 6 has been studied.A new probable route to these compounds involving intermediate formation