## Abstract The 7‐chloro‐3‐(2‐chlorobenzyl)‐ and 7‐chloro‐3‐(2‐fluorobenzyl)‐1,2,3‐triazolo[4,5‐__d__]pyrimidines (**1** and **4**), by nucleophilic replacement with some hydrazides, gave the corresponding 7‐hydrazidoderivatives (**2a‐e** and **5a‐e**). These, by heating in Dowtherm, underwent an i
Chlorocadmate(II) salts of two 1,2,4-triazolo-[1,5-a]pyrimidine derivatives
✍ Scribed by Carmen R. Maldonado; Miguel Quirós; Juan M. Salas
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 178 KB
- Volume
- 882
- Category
- Article
- ISSN
- 0022-2860
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This article covers all the research work published until September 1998 about the coordination chemistry of 1,2,4-triazolo-[1,5-a]pyrimidine derivatives. The revision is mainly focused in the structural features of the compounds, obtained from single crystal X-ray diffraction. The references are cl
## Abstract magnified image The 7‐aryl‐4,7‐dihydro[1,2,4]triazolo[1,5‐__a__]pyrimidines **1a**, **1b**, **1c** can undergo addition of hydrazine to the enamine double bond leading to hydrazine derivatives of tetrahydrotriazolopyrimidines **2a**, **2b**, **2c**; the process is usually accompanied by
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
Some 5,7-disubstituted derivatives of 1,2, 4-triatolo[l ,%]pyrimidines with methyl, tert-butyl, phenyl and trifluoromethyl substituents were studied. The syntheses and 'H, l3C\* 1 6 N and lgF N M R and mass spectra are reported. Natural abundance 1 6 N N M R spectra and signal assignments, based on