Quarterly Journal of the Chemical Society of London, Pages 3324-4156 |
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Page 3470
... isatin blue and the related compounds derived by condensation of isatin with either cyclic secondary bases or cyclic a - imino - carboxylic acids . PROLINE1 and several related compounds 2,3 are frequently characterised by the deep blue ...
... isatin blue and the related compounds derived by condensation of isatin with either cyclic secondary bases or cyclic a - imino - carboxylic acids . PROLINE1 and several related compounds 2,3 are frequently characterised by the deep blue ...
Page 3472
... isatin 260 ... 4.05 294 4.15 Morpholine - isatin 261 4.03 287 4.16 476 458 3.87 3.71 635 4.57 600 4.64 3 - Methylpiperidine - isatin 294 4.11 473 3.74 635 4.63 ... quinone Pipecolic acid - acenaphthene- Pyrrolidine - isatin ( or proline ...
... isatin 260 ... 4.05 294 4.15 Morpholine - isatin 261 4.03 287 4.16 476 458 3.87 3.71 635 4.57 600 4.64 3 - Methylpiperidine - isatin 294 4.11 473 3.74 635 4.63 ... quinone Pipecolic acid - acenaphthene- Pyrrolidine - isatin ( or proline ...
Page 3473
... isatin blue . This preparation has been repeated and the product , obtained in poor yield , shown to have properties quite different from those of isatin blue , especially the absorption spectrum ( Table 1 ) and the blue solution given ...
... isatin blue . This preparation has been repeated and the product , obtained in poor yield , shown to have properties quite different from those of isatin blue , especially the absorption spectrum ( Table 1 ) and the blue solution given ...
Contents
ii | 2842 |
Catalytic hydrogenation | 2845 |
Garden J F and Thomson R H | 2851 |
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4-triazine absorption acetic acid acetic anhydride acetone acidified added alcohol alkali alkyl Amer amine aqueous sodium atom band benzene benzyl boiling bromine Calc carbonate carbonyl Chem chloroform chromatography CO₂H colourless compound concentration containing cooled crystallised cyclisation decomp derivative diethyl dilute dioxan dioxide diphenyl dissolved distilled dried eluted ester ethanol ethyl acetate evaporated filtered filtrate fluorene formation formed Found fraction gave give H₂O heated hydrochloric acid hydrogen chloride hydrolysis infrared iodide isatin isolated ketone lactone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole needles nitric acid nitrogen obtained oxidation perchloric phenyl potassium hydroxide precipitate prepared prisms pyridine reaction reagent reduced refluxed requires residue room temperature salt separated sodium hydroxide solid solution solvent spectra structure sulphuric acid Table titration washed yellow yield