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Improved microcombustion technique for nitrogen estimation in heterocyclic compounds

✍ Scribed by Saran, J. ;Khanna, P. N. ;Banerji, Sukriti


Publisher
Springer-Verlag
Year
1972
Weight
237 KB
Volume
60
Category
Article
ISSN
0344-838X

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The cleavage of heterocyclic compounds i
✍ Jan HlavÑč; Miroslav Soural; Pavel Hradil; Iveta FryΕ‘ovΓ‘; Jan Slouka πŸ“‚ Article πŸ“… 2004 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 141 KB

## Abstract The reactions of 5‐nitroisatine were studied with nucleophiles like heterocyclic amines and alkaline hydroxide. With the use of alkaline hydroxide it was converted into 2‐amino‐5‐nitrophenylglyoxylic acid **2**, with piperidine, morpholine and carbethoxypiperazine to its amides **4a‐4c*