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Synthesis and mass spectra of labelled 4(5)-nitro-1H-imidazole-5(4)-carbonitriles

✍ Scribed by J. Suwiński; K. Świerczek

Publisher
John Wiley and Sons
Year
2002
Tongue
French
Weight
89 KB
Volume
45
Category
Article
ISSN
0022-2135

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✦ Synopsis

Abstract

Cine nucleophilic substitution of 1,4‐dinitroimidazole and its 2‐methyl derivative with nitrogen‐15 or carbon‐13 potassium cyanides afforded, respectively, labelled 4(5)‐nitro‐1H‐imidazole‐5(4)‐carbonitriles. Detailed mass spectra analysis led to the conclusion that during fragmentation in mass spectrometer the labelled atoms are present in all the main fragmentation ions of m/z higher than 42. Copyright © 2002 John Wiley & Sons, Ltd.

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✍ Jerzy Suwiński; Wojciech Szczepankiewicz 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 French ⚖ 330 KB 👁 1 views

A simple four-stage conversion of 2-1nethyl-4(5>nitroimidazole to 2-methyl-4(5)-nitr0['~N""]imidazole is reported. The method consists in N-nitration of the initial compound to ?-methyl-1,4-dinitroimidazole, treating the latter with ["Nlglycine and N-dealkylation of the obtained (~-rnethyl-4-nitro[~