Journal of the Chemical SocietyThe Society., 1960 |
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Page 420
... constants of the three species . The sum of the calculated rate constants , kcale . = ko + k1 + ką , is compared with the observed TABLE 1. Partial and overall rate constants for hydrolysis of phosphourethane at 37 · 0 ° . 104kcale ...
... constants of the three species . The sum of the calculated rate constants , kcale . = ko + k1 + ką , is compared with the observed TABLE 1. Partial and overall rate constants for hydrolysis of phosphourethane at 37 · 0 ° . 104kcale ...
Page 510
... constant . The value of 15.0 is again chosen for the mass of the methyl group . The force constants are obtained by inserting observed values of v1 and v2 in the equations , and the values of these force constants may be checked by ...
... constant . The value of 15.0 is again chosen for the mass of the methyl group . The force constants are obtained by inserting observed values of v1 and v2 in the equations , and the values of these force constants may be checked by ...
Page 511
... constants will be affected much more than stretching force constants by changes in the force field . It must also be noted that the bending force constants for the hexa- methyl compounds involve changes in the M - M - CH , angles as ...
... constants will be affected much more than stretching force constants by changes in the force field . It must also be noted that the bending force constants for the hexa- methyl compounds involve changes in the M - M - CH , angles as ...
Contents
NO PAGE | 6 |
Tautomerism of Nheteroaromatic aldoximes | 22 |
Nucleophilic displacements in organic sulphites Part VI Comparison of | 37 |
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acetic acid alcohol alkaline Amax Amer amylose anhydride aniline aqueous sodium ation atom bands benzene benzoic acid benzoyl peroxide boiled bond boron bromide butyl Calc calculated carbon tetrachloride CH₂ Chem chloride chlorobenzene chloroform chromatography complex component compounds concentration constants cooled crystallised cyclic sulphate cyclohexane decomposition derivatives dilute distilled dried equation ester ethanol ether ethyl acetate evaporated EXPERIMENTAL extracted Fèvre filtered filtrate formed Found fraction gave H₂O heated hydrochloride hydrogen hydrogen chloride hydrolysis imino-ether infrared iodide ions isolated k₁ ketone m. p. and mixed method mixed m. p. mixture mole molecular molecules needles NH₂ nitration nitrogen obtained oxide peroxide phenol picrate potassium precipitate prepared pyridine reaction reduced reflux removed requires residue room temperature sample sodium hydroxide solution solvent spectra spectrum Table thiocyanate thiocyanogen transition values vanadium(IV wavelengths yield Z-enzyme