A ROUTE TO PYRAZOLYLAZOPYRAZOLO[4,3-C]PYRAZOLES VIA 1,5-DIMETHYL-3R-PYRAZOLYL-4-DIAZONIUM SALTS

Authors
TRETYAKOV EV VASILEVSKY SF
Citation
Ev. Tretyakov et Sf. Vasilevsky, A ROUTE TO PYRAZOLYLAZOPYRAZOLO[4,3-C]PYRAZOLES VIA 1,5-DIMETHYL-3R-PYRAZOLYL-4-DIAZONIUM SALTS, Mendeleev communications, (5), 1996, pp. 190-191
Citations number
9
Categorie Soggetti
Chemistry
Journal title
Mendeleev communications → ACNP
ISSN journal
09599436
Issue
5
Year of publication
1996
Pages
190 - 191
Database
ISI
SICI code
0959-9436(1996):5<190:ARTPV1>2.0.ZU;2-D
Abstract
1,5-Dimethyl-3R-pyrazolyl-4-diazonium salts (R = H, C=C-Ph) have been converted into the corresponding l-4-yl)azo-1-methyl-3R-4H-pyrazolo[4, 3-c]pyrazoles 6a,b and it has been shown that the reaction proceeds vi a 3R-pyrazolyl-4-azo)methyl-3R-pyrazolyl-4-diazonium chlorides 4a,b.