𝔖 Bobbio Scriptorium
✦   LIBER   ✦

1,2,4-Triazolo[1,5-a]pyrimidin-3-ium chloride

✍ Scribed by Maldonado, Carmen R. ;Quirós, Miguel ;Salas, Juan M.

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
189 KB
Volume
63
Category
Article
ISSN
1600-5368

No coin nor oath required. For personal study only.

✦ Synopsis

The cation of the title molecule, C~5~H~5~N~4~
^+^·Cl^−^, is strictly planar; it occupies a special position on a mirror plane. The protonation of the heterocycle takes place, as expected, at an N atom of the imidazole ring. This H atom is hydrogen bonded to the chloride anion.

📜 SIMILAR VOLUMES

1,2,3-Triazolo[4,5-e]-1,2,4-triazolo[3,4
1,2,3-Triazolo[4,5-e]-1,2,4-triazolo[3,4-c]pyrimidines
✍ Giuliana Biagi; Irene Giorgi; Oreste Livi; Clementina Manera; Valerio Scartoni 📂 Article 📅 1999 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 301 KB 👁 1 views

## Abstract Some new 1,2,3‐triazolo[4,5‐__e__]‐1,2,4‐triazolo[3,4‐__c__]pyrimidmes were prepared starting from the corresponding 1,2,3‐triazolo[4,5‐__d__]pyrimidines __via__ the formation of the 1,2,4‐triazole ring. Thus suitable hydrazino derivatives 6 were condensed with triethyl orthoformate, tr

New 1,2,3-triazolo[4,5-e]1,2,4-triazolo[
New 1,2,3-triazolo[4,5-e]1,2,4-triazolo[4,3-c]pyrimidine derivatives II
✍ Giuliana Biagi; Irene Giorgi; Oreste Livi; Federica Pacchini; Valerio Scartoni 📂 Article 📅 2002 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 32 KB 👁 1 views

## 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

Differentiation between [1,2,4]triazolo[
Differentiation between [1,2,4]triazolo[1,5-a] pyrimidine and [1,2,4]triazolo[4,3-a]- pyrimidine regioisomers by 1H15N HMBC experiments
✍ Antonio Salgado; Carmen Varela; Ana María García Collazo; Paolo Pevarello 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 228 KB

## Abstract The condensation of malonoaldehyde derivatives with either a 3‐amino‐[1,2,4]‐triazole or a 3,5‐diamino‐[1,2,4]‐triazole precursor was studied. In agreement with previous reports, two different bicycles, namely, bearing the regioisomeric [1,2,4]triazolo[1,5‐a]pyrimidine (**1**) or[1,2,4]