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- Title
Synthesis of dimethyl esters of 7-oxo-4,5,6,7-tetrahydropyrazolo[1,5- c]pyrimidine-2,3-dicarboxylic acid.
- Authors
Sultanova, Rimma; Lobov, Alexander; Spirikhin, Leonid
- Abstract
[Figure not available: see fulltext.] 3-Diazopyrrolidones, prepared by nitrosation of 3-aminopyrrolidones with isoamyl nitrite in the presence of glacial acetic acid, enter in a 1,3-dipolar cycloaddition reaction with dimethyl ester of acetylenedicarboxylic acid to form tetrahydropyrazolo[1,5- c]pyrimidines in good yields.
- Subjects
DIMETHYL sulfate; DICARBOXYLIC acids; RING formation (Chemistry); PYRIMIDINES; ACETIC acid; ALKYNES
- Publication
Chemistry of Heterocyclic Compounds, 2015, Vol 51, Issue 11/12, p1048
- ISSN
0009-3122
- Publication type
Article
- DOI
10.1007/s10593-016-1817-7