✦ LIBER ✦
Dehalogenation reactions catalyzed by tri-n-butyltin chloride. Competition for carbon radicals by borohydride and tin hydride
✍ Scribed by J.T. Groves; S. Kittisopikul
- Book ID
- 104235785
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- French
- Weight
- 199 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
Trialkyltin hydrides are versatile dehalogenation reagents which are known to react with organic halides via a free radical chain mechanism. 1 A useful modification of this procedure has been described recently which employs stoichiometric quantities of sodium borohydride and catalytic amounts of trialkyltin chlorides. 2 Since we have shown that sodium borohydride can also perform free radical chain dehalogenations, 3 it is of interest to know whether the catalytic amount of tin hydride or the borohydride is the immediate hydrogen atom source in these reactions.