Document Details

Document Type : Article In Journal 
Document Title :
Substituent effects on azo coupling of indoles
التأثيرات المستبدلة على تزاوج الآزو للإندولات
 
Subject : Organic Chemistry 
Document Language : English 
Abstract : The kinetics of the azo coupling of eight para-substituted benzenediazonium tetrafluoroborates with indole and its 1-, 2-, and 3-Me derivs. were studied in acetonitrile at 25 under pseudo-first-order conditions. Hammett reaction consts. () were obtained, and a plot of  vs. pKa of the indoles yielded  = 2.97 - 0.15pKa. These results indicate that the azo-coupling reactions follow one general mechanism involving rate-limiting initial electrophilic attack at the 3-position. 
ISSN : 0008-4042 
Journal Name : Canadian Journal of Chemistry 
Volume : 71 
Issue Number : 12 
Publishing Year : 1413 AH
1993 AD 
Article Type : Article 
Added Date : Monday, June 23, 2008 

Researchers

Researcher Name (Arabic)Researcher Name (English)Researcher TypeDr GradeEmail
حسن عبدالقادر البارAlbar, Hassan AbdulkaderInvestigatorDoctoratehalbar@kau.edu.sa
احمد سامي شواليShawali, Ahamed S.ResearcherDoctoratehalbar@kau.edu.sa
ماجده أ. عبداللهAbdallah, Magda A.ResearcherDoctoratehalbar@kau.edu.sa

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