The synthesis of 9H-pyrrolo-1,4-diazaindol-9-one was achieved either by an intramolecular electrophilic substitution of 2-chlorocarbonyl-3-N-pyrrolopyrazine 7 and 2-N-pyrrolidinocarbonyl-3-N-pyrrolopyrazine 8 or by the intramolecular nucleophilic substitution of 2-chloro-3-(2-pyrrolyl)pyrazine 12.
Laduree, Daniel,Kashef, Hussein El,Robba, Max
p. 299 - 301
(2007/10/02)
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