Abstract
Treatment of 5-aminoimidazole-4-carboxamide hydrochloride (1) and 5-aminopyrazole-4-carboxamide hemisulfate (2) with β-diketones furnished 2,4-disubstituted imidazo[1,5-a]pyrimidine-8-carboxamide (7) and 5,7-disubstituted pyrazolo[1,5-a]pyrimidine-3-carboxamide (8) respectively. The 1H nmr and 13C nmr spectra of these compounds and the X-ray crystallography of compound 7a are discussed.
Original language | English |
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Pages (from-to) | 1133-1145 |
Number of pages | 13 |
Journal | Heterocycles |
Volume | 34 |
Issue number | 6 |
DOIs | |
Publication status | Published - Jun 1 1992 |
Externally published | Yes |
ASJC Scopus subject areas
- Analytical Chemistry
- Pharmacology
- Organic Chemistry