Applications of a novel carbon-nitrogen bond cleavage reaction (part-I). A new synthesis/derivatisation of 5H-indeno[1,2 d] pyrimidines and pyrimido[6,1-a]isoindoles

DOI: 10.1016/S0040-4020(01)80524-X

Source and publish data:

Tetrahedron p. 255 - 274 (1993)

Update date:2022-08-04

Topics:

Authors:

Lal Lal

Gidwani Gidwani

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Article abstract of DOI:10.1016/S0040-4020(01)80524-X

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

Full text of DOI:10.1016/S0040-4020(01)80524-X

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