Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Results 1-3 of 76
Page 1897
... acetyl - 2- methylcyclohex - 1 - ene as plates , m . p . 212–214 ° ( Ruzicka , Koolhaas , and Wind , loc . cit . , give m . p . 213 ° ) . Light absorption : see table . ( b ) The crude ketone ( 36.5 g .; n ° 1-474 ) , prepared by the ...
... acetyl - 2- methylcyclohex - 1 - ene as plates , m . p . 212–214 ° ( Ruzicka , Koolhaas , and Wind , loc . cit . , give m . p . 213 ° ) . Light absorption : see table . ( b ) The crude ketone ( 36.5 g .; n ° 1-474 ) , prepared by the ...
Page 2147
... Acetyl - 2 - methylchromone ( XX ; R = H ) reacted with phenylhydrazine in alcoholic solution giving not a simple phenylhydrazone but a phenolic isomeride stable to alkalis . The compound is proved to be 4 - acetyl - 1 - phenyl - 5-0 ...
... Acetyl - 2 - methylchromone ( XX ; R = H ) reacted with phenylhydrazine in alcoholic solution giving not a simple phenylhydrazone but a phenolic isomeride stable to alkalis . The compound is proved to be 4 - acetyl - 1 - phenyl - 5-0 ...
Page 2219
... acetyl was unstable above 60 ° . Later , Gorin ( Acta Physicochim . , U.S.S.R. , 1938 , 8 , 513 ; J. Chem . Physics , 1939 , 7 , 256 ) , from a study of the photolysis of acetone in the presence of iodine vapour , showed that some acetyl ...
... acetyl was unstable above 60 ° . Later , Gorin ( Acta Physicochim . , U.S.S.R. , 1938 , 8 , 513 ; J. Chem . Physics , 1939 , 7 , 256 ) , from a study of the photolysis of acetone in the presence of iodine vapour , showed that some acetyl ...
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Common terms and phrases
acetic acid acetic anhydride acetone acetyl added admixture alkaline alkyl aluminium chloride Amer ammonia aqueous solution atoms barium benzene boiling bromine Calc carbinol carbon catalyst Chem Chim chloroform colourless needles compound concentrated condensation cooled crystals cyclohexene decomp derivatives dilute dioxan dissolved distilled dithizone dried equiv ester ethanol ethyl acetate ethyl alcohol ethylene evaporated EXPERIMENTAL filtered filtrate formed Found fraction gave give heated under reflux hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodide ions isolated ketone Light absorption light petroleum b. p. method methyl mixed m. p. mixture molecule obtained oxide phenyl plates potassium hydroxide precipitated prepared pressure prisms pyridine Q-enzyme R₁ R₂ reaction reagent reduced removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen structure substance sulphate sulphone sulphuric acid synthesis Table unsaturated washed yield