Recherche | Index Medicus Global

Studies on mass spectrometry. I. Mass spectra of certain 2-substituted benzimidazoles

S.M., Atta.

Egyptian Journal of Chemistry. 1994; 37 (5): 519-31

Dans Anglais | IMEMR | ID: emr-107672

Sujets)

Benzimidazoles/analyse

Potentiometric and spectrophotometric studies of some benzimidazole azo dyes

M.M., Omar; F.A., El Seify; Y.M., Issa.

Egyptian Journal of Chemistry. 1993; 36 (3): 235-40

Dans Anglais | IMEMR | ID: emr-107623

Sujets)

Composés azoïques , Benzimidazoles/analyse , Spectrophotométrie/méthodes

Ir, PMR and 13C-NMR spectral studies of 2-mercaptobenzothiazole, 2-mercapt obenzimidazole, and 2-mercaptobenzoxazole derivatives

H.A., El Wakil; T., Kasem.

Alexandria Journal of Pharmaceutical Sciences. 1991; 5 (2): 137-138

Dans Anglais | IMEMR | ID: emr-18882

Résumé

The prototropic tautomerism of compounds I, II and III was studied as a mean of distinguishing thiones from thiols. Several 2-mercaptobenzothiazole, 2-mercaptobenzimidazole and 2-mercaptobenzoxazole derivatives were studied in solution by PMR and 13C-NMR and, in the solid state, by IR spectra

Sujets)

Thiazoles/analyse , Benzimidazoles/analyse , Benzoxazoles/analyse

Sujets)

Sujets)

Résumé

Sujets)

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