A novel method for the preparation of carbodiimides
โ Scribed by Oyo Mitsunobu; Koki Kato; Fumio Kakese
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- French
- Weight
- 146 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
โฆ Synopsis
The preceding paper (1) ha8 described that the oxidation of mercaptans to diaulfidee by means of diethyl azodicarboxylate is extremely promoted by triphenyl phoaphine rithout being changed itself.
A tautomeric pair of thiol and thiocarbonyl structures exists in a thiourea. Thus, the re-
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## 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
Carbodiimides possess considerable absorbance in the ultraviolet region; the extinction coefficient of 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) in water is โ 214 โซุโฌ 6.3 โ 10 3 L mol ุ1 cm ุ1 . It provides a very simple method for testing possible side reactions of carbodiimides. This tec