Tetrahedron p. 255 - 274 (1993)
Update date:2022-08-04
Topics:
Lal
Gidwani
Substituted 6-(4,5-dimethoxy-2-vinylphenyl)-2,4-(1H, 3H) pyrimidinediones (2) undergo ring closure in the presence of a mixture of formic acid and orthophosphoric acid, to give 5H-indeno[1,2-d]pyrimidines (3) and/or pyrimido[6,1-a]isoindoles (4). Cyclizat
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Doi:10.14233/ajchem.2013.14329
(2013)Doi:10.1016/0022-328X(93)80265-D
(1993)Doi:10.1016/j.tetlet.2006.06.111
(2006)Doi:10.1002/prac.19923340813
(1992)Doi:10.1246/bcsj.71.1181
(1998)Doi:10.1002/anie.201303108
(2013)
