A practical, efficient synthesis of 5-amino-7-azaindole
A much improved, workable synthesis of 5-amino-7-azaindole is described in 66% overall yield starting from 2-amino-5-nitropyridine. The key stage involves a microwave promoted heteroannulation reaction of a pyridine alkyne. Georg Thieme Verlag Stuttgart.
Pearson, Stuart E.,Nandan, Santosh
p. 2503 - 2506
(2007/10/03)
NOVEL INTRAMOLECULAR DIELS-ALDER REACTIONS OF PYRIMIDINES. SYNTHESIS OF HETEROCYCLIC ANNELATED PYRIDINES
Pyrimidines carrying a dienophilic side-chain at the 2 or 5 position undergo intramolecular Diels-Adler reactions to give heterocyclic annelated pyridines
Frissen, August E.,Marcelis, Antonius T. M.,Plas, Henk C. van der
p. 1589 - 1592
(2007/10/02)
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