THE SYNTHESIS OF A NUMBER OF ORGANIC DERIVATIVES OF POLYVALENT ASTATINE

Journal Article · Fri Jun 01 00:00:00 EDT 1962 · Doklady Akad. Nauk S.S.S.R.

OSTI ID:4807596

Nefedov, V D; Norseev, Yu V; Savlevich, Kh; Sinotova, E N; Toropova, M A; Khalkin, V A

The astatine isotopes At/sup 210/ and At/sup 211/ were recovered in pure form from the spallation products of a thorium target irradiated with 660 Mev protons. In order to synthesize PhAtCl/sub 2/, a solution of KI containing At was added to an aqueous solution of diphenyl iodochloride. The precipitate was centrifuged and decomposed by heating at 170 deg C for 5 minutes according to the scheme: Ph/sub 2/I.I(At) yields 2PhI(At). The PhI(At) compound was chlorinated to that the BETA -active peak of benzene iodochloride and the alpha active peak of the astatine compound coincided. The even after several recrystallizations from chloroform. The PhaI(At)Cl compound was synthesized as follows: Ph/sub 2/I(At)Cl was separated from the starting material pound can be prepared by heating PhI(At)Cl/sub 2/ with 2 ml of 50% NaOH and 0.5 ml of acetic acid. On cooling, the cipitate. Thus, it was shown that classical methods of organic synthesis can be used to prepare organic derivatives of polyvalent astatine. (TTT)

• Research Organization: Leningrad Univ., USSR
• NSA Number: NSA-16-026991
• OSTI ID: 4807596
• Journal Information: Doklady Akad. Nauk S.S.S.R., Vol. Vol: 144; Other Information: Orig. Receipt Date: 31-DEC-62
• Country of Publication: Country unknown/Code not available
• Language: Russian

Related Subjects

CHEMISTRY
ASTATINE 210
ASTATINE 211
ASTATINE COMPOUNDS
BENZENE
CENTRIFUGATION
CHLORINATED HYDROCARBONS
CHLOROFORM
CHROMATOGRAPHY
COOLING
CRYSTALLIZATION
DECOMPOSITION
HEATING
IODINATED HYDROCARBONS
MERCURY COMPOUNDS
OPTICAL SYSTEMS
PAPER
PHENYL RADICALS
PHOTOGRAPHY
POTASSIUM IODIDES
PRECIPITATION
PREPARATION
PROTONS
RADIOACTIVITY
RADIOISOTOPES
SODIUM HYDROXIDES
SOLUTIONS
TARGETS
TEMPERATURE