✦ LIBER ✦
Addition compounds of alkali metal hydrides—XIX: Rapid reaction of trialkylboranes with lithium aluminum hydride in the presence of triethylene-diamine. A facile and quantitative synthesis of lithium trialkylborohydrides, including derivatives with exceptionally large steric requirements
✍ Scribed by Herbert C. Brown; John L. Hubbard; Bakthan Singaram
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- French
- Weight
- 403 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0040-4020
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✦ Synopsis
Abdrad-Trialkylborancs react rapidly with lithium aluminium hydride (LAH) in dicthyl ether in the presence of triethykncdiamim (TED) at 0" to form the corresponding lithium triakylborohydrides and aluminum hydride. The aluminum hydride precipitates out of solution as its triethylenediamine adduct. The reaction is applied to a wide variety of triakylbnrams. Consequently, the present reaction provides a general, convenient synthesis of lithium trialkylborohydrides including those with exceptionally large steric requirements.