QUANTITATIVE MOLAR ABSORPTIVITY-STRUCTURE RELATIONSHIPS OF CERTAIN CATECHOLAMINES
Youssef, A., El-Kommos, M., Farag, H. (1988). QUANTITATIVE MOLAR ABSORPTIVITY-STRUCTURE RELATIONSHIPS OF CERTAIN CATECHOLAMINES. EKB Journal Management System, 11(2), 235-247. doi: 10.21608/bfsa.1988.73517
A. F. Youssef; M. E. El-Kommos; H. H. Farag. "QUANTITATIVE MOLAR ABSORPTIVITY-STRUCTURE RELATIONSHIPS OF CERTAIN CATECHOLAMINES". EKB Journal Management System, 11, 2, 1988, 235-247. doi: 10.21608/bfsa.1988.73517
Youssef, A., El-Kommos, M., Farag, H. (1988). 'QUANTITATIVE MOLAR ABSORPTIVITY-STRUCTURE RELATIONSHIPS OF CERTAIN CATECHOLAMINES', EKB Journal Management System, 11(2), pp. 235-247. doi: 10.21608/bfsa.1988.73517
Youssef, A., El-Kommos, M., Farag, H. QUANTITATIVE MOLAR ABSORPTIVITY-STRUCTURE RELATIONSHIPS OF CERTAIN CATECHOLAMINES. EKB Journal Management System, 1988; 11(2): 235-247. doi: 10.21608/bfsa.1988.73517

QUANTITATIVE MOLAR ABSORPTIVITY-STRUCTURE RELATIONSHIPS OF CERTAIN CATECHOLAMINES

Bulletin of Pharmaceutical Sciences Assiut University
Article 6, Volume 11, Issue 2, December 1988, Pages 235-247    PDF (406.6 K)
DOI: 10.21608/bfsa.1988.73517
Authors
A. F. Youssef; M. E. El-Kommos; H. H. Farag
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Assiut University, Assiut, Egypt
Abstract
Molar absorptivities of six catecholamines (CA) are determined from their reactions with hydrochloric acid, boric acid molybdic acid, germanium dioxide, iron (II)-citrate and zirconyl chloride. Significant linear correlations are obtained between emax and the number of ligands. emax of most of the (CA) investigated shows a significant correlation with the molecular connectivity indices of the side chains and pka values. A dimeric state is suggested for (CA) in 0.1 N hydrochloric acid medium.
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