Journal of the Chemical Society, Part 1The Society., 1962 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 387
... hydroxyl ion , would be a more plausible first step even though it is present in a very much smaller concentration . In our opinion the following arguments show that this claim is not tenable : As in that case the hydroxyl ion ...
... hydroxyl ion , would be a more plausible first step even though it is present in a very much smaller concentration . In our opinion the following arguments show that this claim is not tenable : As in that case the hydroxyl ion ...
Page 388
... hydroxyl ions is due to the greater nucleophilicity of hydroxyl ions ( relative to water ) towards the positively polarised carbon atom . As the hydroxyl ion concentration increases , so reaction ( 1 ' ) becomes the main step instead of ...
... hydroxyl ions is due to the greater nucleophilicity of hydroxyl ions ( relative to water ) towards the positively polarised carbon atom . As the hydroxyl ion concentration increases , so reaction ( 1 ' ) becomes the main step instead of ...
Page 1470
... hydroxyl , since this oxidation must be the oxidation of fresh surfaces . This is in accord with the hydroxyl contents of fresh materials shown in Table 2. Fiberisation does not alter the colour of the material , whereas extensively ...
... hydroxyl , since this oxidation must be the oxidation of fresh surfaces . This is in accord with the hydroxyl contents of fresh materials shown in Table 2. Fiberisation does not alter the colour of the material , whereas extensively ...
Contents
NO PAGE | 1 |
NOTES | 62 |
The use of triethylamine in the preparation of NcarboxyLproline anhydride | 68 |
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absorption acetic acid acetone added afforded alcohol alkali Amax Amer amylose anhydride aqueous solution atom benzene bromide buffer Calc carbon carbonyl CH₂ Chem chloride chloroform chromatography coefficients colourless complexes compound concentration constant containing crystallisation crystals decomposition derivative dilute distilled double bond dried eluted ester ethanol ethyl acetate evaporated experimental filtrate formation formed Found fraction gave give H₂O heated hydrazine hydrochloric acid hydrogen hydrolysis hydroxyl infrared infrared spectrum intermediate isolated isomerisation k₁ ketal ketone light petroleum b. p. m. p. and mixed malononitrile methyl mixed m. p. mixture mole molecule needles nitrogen nucleophilic obtained oxidation phenyl polymer potassium potassium hydroxide precipitate prepared present ratio reaction reagent reduction reflux requires residue room temperature sample sodium ethoxide sodium hydroxide solid solvent spectra structure Table terpyridine triethylamine ultraviolet values washed yellow yield