Journal of the Chemical Society, Part 4The Society., 1949 |
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Results 1-3 of 73
Page 2687
... atom ( thereby forming the alkyl chloride in less than 50 % yield , together with presumably unstable pyridine ... atom became attached to the asymmetric carbon atom by at least two processes , one predominating and producing inversion ...
... atom ( thereby forming the alkyl chloride in less than 50 % yield , together with presumably unstable pyridine ... atom became attached to the asymmetric carbon atom by at least two processes , one predominating and producing inversion ...
Page 3344
... atom ; this , however , does not seem probable . If we allow a radius of 1 · 08 A. for the methyl group and 0 · 88 A. for the tetrahedrally co - ordinated boron atom , the radius ratio 0.815 is sufficiently great to allow even 9 - fold ...
... atom ; this , however , does not seem probable . If we allow a radius of 1 · 08 A. for the methyl group and 0 · 88 A. for the tetrahedrally co - ordinated boron atom , the radius ratio 0.815 is sufficiently great to allow even 9 - fold ...
Page 3423
... atoms per atom of boron , as was the case with the potassium and sodium salts . The product was less stable than that containing only two atoms of active oxygen per atom of boron . The results make it unlikely that this product is an ...
... atoms per atom of boron , as was the case with the potassium and sodium salts . The product was less stable than that containing only two atoms of active oxygen per atom of boron . The results make it unlikely that this product is an ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CH₂ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent stirred sulphate sulphone sulphuric acid synthesis Table tube values washed yield