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Nucleophilic substitution at the pyrrole ring. Comparison with furan, thiophene, and benzene rings in piperidinodenitration

โœ Scribed by Doddi, Giancarlo.; Illuminati, Gabriello.; Mencarelli, Paolo.; Stegel, Franco.


Book ID
126335101
Publisher
American Chemical Society
Year
1976
Tongue
English
Weight
440 KB
Volume
41
Category
Article
ISSN
0022-3263

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Nucleophilic substitutions at the pyridi
โœ Ezzat A. Hamed ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 148 KB ๐Ÿ‘ 2 views

The kinetics of the reactions of 2-chloro-3-nitropyridine (ortho-like) and 5-nitro ( para-like) isomer with morpholine and piperidine were studied in methanol and benzene at several amine concentrations and temperatures in the range 25 -45ยฐC. The data show that k 3-NO 2 /k 5-NO 2 ratios are less tha