Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Results 1-3 of 81
Page 1697
... boiling points , and were obtained by heating mixtures of ethyl orthosilicate and silicon tetrachloride in the molecular proportions 1 : 3 , 1 : 1 , and 3 : 1. Pellini , however , stated that the products of these reactions could not be ...
... boiling points , and were obtained by heating mixtures of ethyl orthosilicate and silicon tetrachloride in the molecular proportions 1 : 3 , 1 : 1 , and 3 : 1. Pellini , however , stated that the products of these reactions could not be ...
Page 1996
... boiling aqueous - alcoholic sodium hydrosulphite ( dithionite ) for 4 hours ; removal of alcohol and cooling gave the amino - naphthol , which crystallised from benzene in pale yellow plates , decomp . 150 ° ( Found : C , 77 · 6 ; H , 7 ...
... boiling aqueous - alcoholic sodium hydrosulphite ( dithionite ) for 4 hours ; removal of alcohol and cooling gave the amino - naphthol , which crystallised from benzene in pale yellow plates , decomp . 150 ° ( Found : C , 77 · 6 ; H , 7 ...
Page 2297
... boiling ethyl alcohol and light petroleum ( b . p . 90-100 ° ) . 3 - Methyl - B - naphthothiaxanthospiropyran ( IIb ) .— Similarly , the theoretical quantity of 2 - naphthol - 1- aldehyde ( 6-5 g . ) was added to a dry solution of 9 ...
... boiling ethyl alcohol and light petroleum ( b . p . 90-100 ° ) . 3 - Methyl - B - naphthothiaxanthospiropyran ( IIb ) .— Similarly , the theoretical quantity of 2 - naphthol - 1- aldehyde ( 6-5 g . ) was added to a dry solution of 9 ...
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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