Ultraviolet Absorption of Para-Aminobenzoic Esters in Water Solution

Riegel, E.; Buchwald, K. W.

doi:10.1021/ja01377a018

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B Quantitative Estimation1

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1947

2013

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“…The heat of combustion of nitroguanidine at constant volume has been reported (74) as 210 kcal./mole. Ultraviolet absorption spectra for nitroguanidine in various solvents have been reported by several workers (9,56,97,118). In water it exhibits two absorption maxima in the ultraviolet region.…”

Section: B Quantitative Estimationmentioning

confidence: 85%

Nitroguanidines.

McKay¹

1952

Chem. Rev.

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Section: B Quantitative Estimationmentioning

confidence: 85%

Nitroguanidines.

McKay¹

1952

Chem. Rev.

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The Reaction of Procaine Hydrochloride with Sodium Formaldehydesulfoxylate*

Hardie¹,

Williams²,

Halverstadt³

et al. 1954

Journal of the American Pharmaceutical Association (Scientific

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Researches on sulphanilamide, para‐amino‐benzoic acid and their derivatives. III: Ultraviolet absorption spectra and potentiometric titrations

Havinga¹,

Veldstra²

1947

Recl. Trav. Chim. Pays‐Bas

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With the aim of providing more facts for the discussion of the mode of action of the sulphonamides and of p‐aminobenzoic acid, the ultraviolet absorption spectra are recorded for a number of sulphanilamide derivatives, p‐aminobenzoic acid and related compounds. Moreover their electrochemical properties are determined by potentiometric titration. The results obtained permit a more detailed discussion of the state of these molecules in neutral solution, of the differences between p‐aminobenzoic acid and its isomers and of those between sulphanilamide and its heterocyclic derivatives. Furthermore the separate position of compounds like p‐aminomethylbenzoic acid and of p‐aminomethyl‐benzenesulphonamide (Marfanil) is clearly indicated.

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Ultraviolet Absorption of Para-Aminobenzoic Esters in Water Solution

Cited by 6 publications

References 0 publications

Nitroguanidines.

Nitroguanidines.

The Reaction of Procaine Hydrochloride with Sodium Formaldehydesulfoxylate*

Researches on sulphanilamide, para‐amino‐benzoic acid and their derivatives. III: Ultraviolet absorption spectra and potentiometric titrations

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