87223-04-9Relevant articles and documents
MESOIONIC SIX-MEMBERED HETEROCYCLES, XVII. CYCLOADDITION OF BENZYNE TO MESOIONIC PYRIMIDINES
Kappe, Thomas,Pocivalnik, Dietmar
, p. 1367 - 1371 (2007/10/02)
Benzyne (1) reacts with mesoionic pyrimidines (2a-e) yielding below 40 deg C the primary cycloadducts 3a-e.At higher temperatures the isoquinolin-3-ones 4a-e are formed under the loss of phenyl isocyanate.Further adition of 1 to 4e yields the adduct 5, wh