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H 1 NMR and kinetics studies of the reaction of 4-methyl, 4-bromo and 3-trifluoromethyl benzyltriflones with aromatic nitro-compounds
Author
Source
Journal of Saudi Chemical Society
Issue
Vol. 14, Issue 3 (30 Sep. 2010), pp.261-267, 7 p.
Publisher
Publication Date
2010-09-30
Country of Publication
Saudi Arabia
No. of Pages
7
Main Subjects
Topics
Abstract EN
Rate measurements are reported for the reactions in methanol of carbanions derived from benzyltriflones, 2a-c, with 4-nitrobenzofurazan derivatives, 4a and 4b, to give anionic a-adducts.
'H NMR studies in DMSO-d6 of the reaction of benzyltriflones, 2, and 4-nitrobenzofurazan, 4a, in the presence of triethylamine are consistent with products formed by the elimination of trifluoromethyl sulfinic acid from ð-adducts initially formed by carbanion attack at the 5-position of 4a.
Evidence for the high steric requirements of the benzyltriflone anions come from the low value of β; the slope of the linear plot of values of log k5 versus pKa.
American Psychological Association (APA)
Asghar, Basim H.. 2010. H 1 NMR and kinetics studies of the reaction of 4-methyl, 4-bromo and 3-trifluoromethyl benzyltriflones with aromatic nitro-compounds. Journal of Saudi Chemical Society،Vol. 14, no. 3, pp.261-267.
https://search.emarefa.net/detail/BIM-250531
Modern Language Association (MLA)
Asghar, Basim H.. H 1 NMR and kinetics studies of the reaction of 4-methyl, 4-bromo and 3-trifluoromethyl benzyltriflones with aromatic nitro-compounds. Journal of Saudi Chemical Society Vol. 14, no. 3 (Sep. 2010), pp.261-267.
https://search.emarefa.net/detail/BIM-250531
American Medical Association (AMA)
Asghar, Basim H.. H 1 NMR and kinetics studies of the reaction of 4-methyl, 4-bromo and 3-trifluoromethyl benzyltriflones with aromatic nitro-compounds. Journal of Saudi Chemical Society. 2010. Vol. 14, no. 3, pp.261-267.
https://search.emarefa.net/detail/BIM-250531
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 267
Record ID
BIM-250531