Phosphoramidate Anions: The Preparation of Carbodiimides, Ketenimines and Isothiocyanates
โ Scribed by Wadsworth, William S.; Emmons, William D.
- Book ID
- 126435284
- Publisher
- American Chemical Society
- Year
- 1962
- Tongue
- English
- Weight
- 258 KB
- Volume
- 84
- Category
- Article
- ISSN
- 0002-7863
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๐ SIMILAR VOLUMES
Reaction of amines with di-2-pyridyl thionocarbonate affords the corresponding isothiocyanates at room temperature, while reaction of N,N'-disubstituted thioureas with di-2-pyridyl thionocarbonate in the presence of 4-dimethylaminopyridine as a catalyst affords the corresponding carbodiimides in hig
## Abstract Carbodiimides are formed with simultaneous evolution of CO~2~ by the reaction of basic catalyst with sterically hindered isocynates. Another generally applicable synthesis of carbodiimides involves intermediate formation of cyclic adducts of isocyanates and carbodiimides, which, upon cl