N-SUBSTITUTED BROMOPYRAZOLES - SYNTHESIS AND C-13 NMR-STUDY

Citation
W. Holzer et al., N-SUBSTITUTED BROMOPYRAZOLES - SYNTHESIS AND C-13 NMR-STUDY, Heterocycles, 38(11), 1994, pp. 2433-2448
Citations number
28
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
03855414
Volume
38
Issue
11
Year of publication
1994
Pages
2433 - 2448
Database
ISI
SICI code
0385-5414(1994)38:11<2433:NB-SAC>2.0.ZU;2-O
Abstract
The synthesis of N-1 substituted 4-bromo-, 3,4-dibromo- and 3,4,5-trib romopyrazoles starting from the NH-pyrazoles is described. C-13 Nmr sp ectroscopic studies with the title compounds are presented, investigat ing the influence of substituents on C-13-chemical shifts and C-13, H- 1 spin coupling constants.