Reaction of 1, 1-(2, 2'-Oxydiethyl) biguanide with Dicyanodiamide.
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Synthesis of 1-Hydroxy-2-(Prop-2'-Enyl) 9-Antrone
An efficient synthesis of the 1-hydroxy-2-(prop-2'-enyl)9-anthrone is described. Selective nitration of anthraquinone, reduction to the corresponding amine, diazotization and treatment by sulfuric acid solution afforded the 1-hydroxy-9,10-anthraquinone in good yield as the key intermediate. Reaction with allyl bromide/K2CO3 and subsequent selective reduction accompanie...
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Cyclohexylidine-ammonium-2-aminocyclohexyline-l-cyclohexee-l- dithiocarboxylate (CCCD) is employed for the gravimetric determination of Ni (II). In neutral or ammoniacal solutions, the metal forms a violet precipitate with the reagent which can be weighed as Ni (C13H18NS2)a2f ter drying at 115 - 120?C Using this procedure, the nickel content of steel samples can also be determined accurate...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1964
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.12.497