Archiv der Pharmazie p. 13 - 15 (1992)
Update date:2022-08-03
Topics:
Gorlitzer
Bomeke
The 1,4-dicarbonyl and 1,4,7-tricarbonyl compounds 1 cyclize with ammonia or methylamine to yield the pyrroles 2. Dependent on the temp. the 1,4-diketone 1b reacts with hydrazine in ethanole to form the pyridazine 3 or the N-amino-pyrrole 4, respectively.
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Doi:10.1002/chem.200700613
(2007)Doi:10.1002/mrc.1260300213
(1992)Doi:10.1107/S0108270112019075
(2012)Doi:10.1055/s-0031-1289757
(2012)Doi:10.1016/S0040-4039(00)74125-6
(1992)Doi:10.1139/v70-219
(1970)
