2,4-Dinitrophenylhydroxylamine: An efficient and more general reagent for iron-catalyzed allylic amination
2,4-Dinitrophenylhydroxylamine (1) is an efficient reagent for the iron-catalyzed regioselective allylic amination of olefins. Moderate to excellent yields of N-DNP-N-allyl amines (2) are obtained resulting from introduction of the N-DNP group at the less
Singh,Nicholas
p. 3087 - 3097
(2007/10/03)
A STUDY OF NUCLEOPHILICITY IN SELECTED SYSTEMS
Kinetic studies have been carried out of the reactions of 15 nucleophiles with 2,4-dinitrophenyl acetate and 14 nucleophiles with 2,4-dinitrofluorobenzene in 52percent (w/w) methanol at 25 deg C.The rate constant values obtained and literature data have been treated by the factor analysis.It has been found that the description of nucleophilicity at least needs two factors.The nucleophiles studied are divided into two groups (ionic and nitrogen-containing ones).In each group, the nucleophilic properties are affected by linear combination of both factors.
Zima, Vitezslav,Pytela, Oldrich,Vecera, Miroslav
p. 814 - 821
(2007/10/02)
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