Synthesis of 14C-labelled 2-aminopyridine

Synthesis of 14C-labelled compounds. I.

Synthesis of 14C-labelled compounds. I. Synthesis of 2 (14C)-dinitrosohexahydropyrimidine

✍ Horst Brann; Barbara Bertram; Manfred Wiessler 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 French ⚖ 184 KB 👁 1 views

## Abstract A convenient procedure to synthesize 2–^14^C‐dinitroso‐hexahydropyrimidine (DNHP) is described. The synthesis begines with the condensation of ^14^C‐formaldehyde and propylenediamine‐1,3 in benzene with azeotropic removal of water. The resulting bases are isolated from the reaction mixt

Synthesis of 14C-labelled satigrel

✍ Shigeru Tanaka; Youji Yamagishi; Kazutomi Kusano; Tsutomu Yoshimura 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 French ⚖ 222 KB 👁 1 views

14C-Labelled satigrel, or 4-cyano-5-(4'-methoxy tring-U-14CI phenyl)-5-(4"methoxyphenyl)-4-pentenoic acid was synthesized for drug metabolism and pharmacokinetic studies using 4,4'-diniethoxy [ring-U-W ] benzophenone as the starting material. The radiochemical yield was 10.0%. The specific radioacti

Synthesis of 14C-labelled crotamiton

✍ Naba K. Chaudhuri; Sudhakar V. Potdar; Thomas J. Ball 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 French ⚖ 266 KB

The synthesis of 14C-labelled crotamiton, which is a fungicide, an insecticide as well as a scabicide is described. Starting from 2-bromonitrobenzene and Cu14CN, 2-toluidine, labelled with 14C at the methyl group was prepared by the following sequence of reactions : N O ~-C ~H L + -~~C O O H

Synthesis of 14C-labelled aminoguanidine

✍ Theodore W. C. Lo; Paul J. Thornalley 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 French ⚖ 208 KB

## Abstract [^14^C]Aminoguanidine was synthesized by the reaction of hydrazine sulphate with barium [^14^C]cyanamide in a one‐step synthesis, and conveniently isolated by crystallization as the bicarbonate salt. The yield was 32%.

Synthesis of 14C-labelled (+)-limonene

✍ K. Noda; T. Matsuda; Y. Ishikura 📂 Article 📅 1974 🏛 John Wiley and Sons 🌐 French ⚖ 208 KB

## Abstract ^14^C‐labelled (+)‐limonene was conveniently prepared by the Wittig reaction of (+)‐1‐methyl‐4‐acetylcyclohexene with methyl‐^14^C‐triphenylphosphonium iodide.

Synthesis of 14C-labelled milrinone

✍ D. R. Duncan; D. Johnston; R. S. Andrews 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 French ⚖ 124 KB