Azatriterpenes. VI. Synthesis of 2-Eno[2,3-g]pyrazolo- [ 1 ,5-a ]pyrimidines of Pentacyclic Triterpenes
| Main Authors: | K LAXMAN RAO, T. V. P. R. SUBBA RAO, T. SUNDARA RAMAIAH, S. K. RAMRAJ |
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| Format: | Article Journal |
| Bahasa: | eng |
| Terbitan: |
, 1986
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/6296339 |
Daftar Isi:
- Department of Chemistry, Nizam College, Hyderabad-500 001 Department of Chemistry, V. V. College, Hyderabad-500 001 Manuscript received 15 March 1985, revised 13 November 1985, accepted 23 April 1986 Condensation of 3-aminopyrazole with 2-hydroxymethylene derivatives of methyl betulonate (1), lupenone (2) and methyl oleanonate (3) in absolute ethanol furnished their respective 2-eno[2,3-Apyrazolo[1,5-α]pyrimidines ( 4, 5 and 6 ). They were characterised by elemental and spectral data.