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The Reactions of Hydroiodide of 2-Amino-1-substituted Guanidine Derivatives with Aromatic Isothiocyanates

✍ Scribed by Dobosz, Maria; Wujec, Monika


Book ID
111895640
Publisher
Japan Institute of Heterocyclic Chemistry
Year
2002
Tongue
English
Weight
43 KB
Volume
57
Category
Article
ISSN
0385-5414

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Reaction of Isocyanates and Isothiocyana
✍ Ludwig Zirngibl; S. W. Tam πŸ“‚ Article πŸ“… 1970 πŸ› John Wiley and Sons 🌐 German βš– 647 KB

## Abstract Phenyl isothiocyanate reacts with butyraldazine in presence of acidic catalysts to form a 2‐pyrazoline (IV) whereas phenyl or benzyl isocyanates under similar conditions yield a mixture of the two isomeric 2‐pyrazolines XIa and XII. On reaction with Ac~2~O, IV gave the 1‐acetyl derivati