[Acid-base equilibrium of hydrazone derivatives 4-R-3R1-thazol-2-one. I. Ionization constants of alpha-methyl-beta-(4-R-thiazol-2-yl)- and alpha-methyl-beta-(4-R-3-R1-thiazol-2-ylidene)-hydrazides of benzoic acid]

[Acid-base equilibrium of hydrazone derivatives 4-R-3R1-thazol-2-one. I. Ionization constants of alpha-methyl-beta-(4-R-thiazol-2-yl)- and alpha-methyl-beta-(4-R-3-R1-thiazol-2-ylidene)-hydrazides of benzoic acid] Research Abstract Details 

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[Acid-base equilibrium of hydrazone derivatives 4-R-3R1-thazol-2-one. I. Ionization constants of alpha-methyl-beta-(4-R-thiazol-2-yl)- and alpha-methyl-beta-(4-R-3-R1-thiazol-2-ylidene)-hydrazides of benzoic acid] Abstract Text:

L Bielak,M Kie?czykowska,S Bili?ski,

The ionization constants of the following compounds have been determined spectrophotometrically in aqueous solution: [table: see text] The comparison of absorption spectra in UV and pK values of the compounds being described in this work and of the derivatives having a thiazole or thiazoline structure which were studied previously let us suggest that in the II-H neutral molecule and the I-H and II-H mono-anion the thiazole form prevails while in the case of the I-H neutral molecule the thiazoline form is more probable.

[Acid-base equilibrium of hydrazone derivatives 4-R-3R1-thazol-2-one. I. Ionization constants of alpha-methyl-beta-(4-R-thiazol-2-yl)- and alpha-methyl-beta-(4-R-3-R1-thiazol-2-ylidene)-hydrazides of benzoic acid] Publishing Authors By Initials

L Bielak,M Kie?czykowska,S Bili?ski,

For similar thiazoles research abstracts see: thiazoles research

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[Acid-base equilibrium of hydrazone derivatives 4-R-3R1-thazol-2-one. I. Ionization constants of alpha-methyl-beta-(4-R-thiazol-2-yl)- and alpha-methyl-beta-(4-R-3-R1-thiazol-2-ylidene)-hydrazides of benzoic acid] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Annales Universitatis Mariae Curie-Sk?odowska. Sec

VOLUME: 47

Page Numbers: 5-14

Journal Abbreviation:

ISSN: 0066-2240

DAY: 21

MONTH: 01

YEAR: 1992

[Acid-base equilibrium of hydrazone derivatives 4-R-3R1-thazol-2-one. I. Ionization constants of alpha-methyl-beta-(4-R-thiazol-2-yl)- and alpha-methyl-beta-(4-R-3-R1-thiazol-2-ylidene)-hydrazides of benzoic acid] Information

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LANGUAGE: pol

NlmUniqueID: 414101

[Acid-base equilibrium of hydrazone derivatives 4-R-3R1-thazol-2-one. I. Ionization constants of alpha-methyl-beta-(4-R-thiazol-2-yl)- and alpha-methyl-beta-(4-R-3-R1-thiazol-2-ylidene)-hydrazides of benzoic acid] Keywords Mesh Terms:

KEYWORDS: Thiazoles

MESH TERMS: chemistry

Chemical & Substance for Abstract: [Acid-base equilibrium of hydrazone derivatives 4-R-3R1-thazol-2-one. I. Ionization constants of alpha-methyl-beta-(4-R-thiazol-2-yl)- and alpha-methyl-beta-(4-R-3-R1-thiazol-2-ylidene)-hydrazides of benzoic acid] Information

Substance Name: Thiazoles

Registry Number: 0

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AFFILIATION: Katedra i Zak?ad Chemii Ogólnej, Akademia Medyczna w Lublinie.

Country: POLAND

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MEDLINETA: Ann Univ Mariae Curie Sklodows

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