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Synthesis of tritium labeled 1-amidino-3-(P-nitro-phenyl)urea: A potential antimalarial agent

✍ Scribed by Theodore S. T. Wang; Rashid A. Fawwaz; Ronald L. van Heertum


Publisher
John Wiley and Sons
Year
1993
Tongue
French
Weight
219 KB
Volume
33
Category
Article
ISSN
0022-2135

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✦ Synopsis


Abstract

Five steps were required to synthesize the title compound. This involved a catalytic exchange reaction, nitration, hydrolysis, and condensation. The overall radiochemical yield was 28.87% and the specific activity was 12.4 mCi/mmol, with a radiochemical purity of more than 95.7%.


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Synthesis of H-3 labeled 5-fluoro-3-[3-[
✍ Douglas D. Dischino; Keith D. Combrink; Lidia Doweykos; Hiromi Morimoto; Bradley 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 French ⚖ 235 KB

## Abstract The title compound was prepared by the LiAlT~4~ reduction of 5‐fluoro‐3‐[3‐[4‐(5‐methoxy‐4‐pyrimidinyl)‐1‐piperazinyl]‐3‐oxopropyl]‐1H‐indole. The radiochemical purity of the product was 98.9% and the specific activity was calculated as 53.0 Ci/mmol from HPLC analyses and 55.6 Ci/mmol f