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Synthesis and identification of [76As]arsenic trichloride

✍ Scribed by Ali M. Emran; Nabila M. Shanbaky; Richard P. Spencer

Publisher
Elsevier Science
Year
1986
Weight
253 KB
Volume
37
Category
Article
ISSN
0883-2889

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✦ Synopsis

Radiosynthesis of arsenic trichloride (AsCl3) was achieved using 76As as the radionuclide of choice for preliminary investigations. The synthesis required neutron activation of arsenic trioxide (As2O3) followed by reaction with sulfur monochloride (S2Cl2) under a dry inert atmosphere. The synthesized 76AsCl3 was purified by distillation or partially purified by treatment with dry acetonitrile followed by filtration. Identification was accomplished by thin layer chromatography (TLC) and reversed phase high performance liquid chromatography (HPLC). 76AsCl3 was used for synthesis of a dihydrophenarsazine derivative.

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## Abstract Compound (II), an intermediate in the formation of TcCl~3~ from (I), crystallizes in the triclinic space group P$\bar 1$ with Z = 1 (single crystal XRD).