Comparative Reactions of Benzonitrilium N-4-nitrophenylimide with Some 1-Substituted Tetrazol-5-ones, Tetrazolo-5-thiones and Tetrazol-5-amines: a Route to 1,2,4-Triazole and 1,3,4-Thiadiazole Derivatives
Benzonitrilium N-4-nitrophenylimide reacted with 1-substituted tetrazole-5-thiones and tetrazol-5-amines by nucleophilic addition of the exocyclic sulphur and nitrogen atoms while with 1-substituted tetrazol-5-ones the reaction occurred at the tetrazole N
Butler, Richard N.,Bhradaigh, Eithne P.Ni.,Fitzgerald, Kevin J.
p. 1948 - 1959
(2007/10/02)
REACTION OF BENZONITRILE N-(p-NITROPHENYL)IMIDE WITH 5-SUBSTITUTED TETRAZOLES: A NEW ROUTE TO SUBSTITUTED 1,2,4-TRIAZOLES VIA N-HYDRAZONOYLTETRAZOLES
A wide range of phenyl 5-R-substituted (R = aryl, alkyl, amino, halo, H) 1- and 2-hydrazonoyltetrazoles has been synthesized.Substituent effects on the orientation of nitrile imide attack on 5-aryltetrazoles are reported.Thermolysis and fragmentation of t
Butler, Richard N.,Fitzgerald, Kevin J.
p. 1587 - 1592
(2007/10/02)
1-Hydrazonyltetrazoles: Fragmentative Cyclisation - A New Route to Substituted 1,2,4-Triazoles.
The reaction of tetrazole and some 5-aminotetrazoles with C-phenyl-N-4-nitrophenyl-nitrileimine gave 1-hydrazonyltetrazoles which fragmented and cyclised to 1,2,4-triazoles with overall loss of HN3.
Butler, Richard N.,Fitzgerald, Kevin J.,Fleming, Mary T.
p. 4921 - 4922
(2007/10/02)
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