UNEXPECTED FORMATION OF TETRAHYDROPYRAZOLO[3,4-B]PYRIDINES DURING THEDEAMINATION OF 3,5-DIAMINO-4-ALKYLPYRAZOLES

Citation
A. Echevarria et al., UNEXPECTED FORMATION OF TETRAHYDROPYRAZOLO[3,4-B]PYRIDINES DURING THEDEAMINATION OF 3,5-DIAMINO-4-ALKYLPYRAZOLES, Gazzetta chimica italiana, 123(9), 1993, pp. 529-530
Citations number
20
Language
INGLESE
art.tipo
Note
Categorie Soggetti
Chemistry
Journal title
ISSN journal
0016-5603
Volume
123
Issue
9
Year of publication
1993
Pages
529 - 530
Database
ISI
SICI code
0016-5603(1993)123:9<529:UFOTDT>2.0.ZU;2-T
Abstract
The structure of the product obtained when 3,5-diamino-4-isopentylpyra zole was treated with sodium nitrite and hypophosphorous acid was esta blished as being -nitroso-4,5,6,7-tetrahydropyrazolo[3,4-b]pyridine by mass spectrometry and multinuclear NMR.