On the mechanism of alkyl dimer formation in reactions of alkyl iodides with sodium naphthalene. Evidence from reactions of 1,4-diiodobutane.
β Scribed by John F. Garst; John T. Barbas
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- French
- Weight
- 236 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
Recent studies indicate that the initial reactions of alkyl halides with sodium naphthalene in IME are best regarded as dissociative electron-transfer reactions, with no significant competition from nucleophilic displacement reactions (Eq. 1) (1,Za). The initially-formed m + :Naph:,Na+ -R*
π SIMILAR VOLUMES
Although the first cycloaddition-elimination reactions of 4-alkyl-5-arylimino-1,2,3,4-thiatriazolines (1) with heterocumulenes were reported in 1976-78,' insight into the mechanistic puzzle has been gained recently, and then only for isothiocyanates.2 For isocyanates, which furnish l ,2,4-thiadiazol