A study of the isomerization of C14-labeled perinaphthene
University of California Radiation Laboratory, 1957 - Science - 15 pages
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acetic acid acetone and oxidized acid was added alcohol alkaline solution Anal anhydrous magnesium sulfate bath temperature benzene Boekelheide and C. E. Boekelheide and Larrabee c/mmole C14-LABELED PERINAPHTHENE carbon tetrachloride Celite Chem crushed ice crystals dehydration Department of Chemistry Diethyl a-naphthylmethyl diethyl malonate double bond evaporated extract was washed extracted with ether Fieser and Gates free radical g of crushed hydrochloric acid hydrogen ISOMERIZATION OF C14-LABELED malonic acid manganese dioxide suspension mg of perinaphthene ml of acetone ml of isopropanol ml of water mother liquor n-pentane naphthalic anhydride Norite nuclear magnetic resonance obtained perinaphthanone-7 positions potassium permanganate precipitated prismatic crystalline substance proton purified by sublimation Radiation Laboratory reaction mixture recrystallization Robinson and Klyne room temperature selenium dioxide sodium chloride sodium dichromate sodium hydroxide solvent Specific activity spectrum of perinaphthene steam bath suspension was dissolved tautomerism theor Total yield triphenylmethane ultraviolet spectrum washed with water water was added yellow residue