Alkyl, aromatic, benzylic and benzoyl halides have been successfully coupled in good yields using lithium wire suspended in tetrahydrofuran and ultrasound.
Ultrasound-promoted coupling of aryl and heteroaryl halides in the presence of lithium wire
โ Scribed by Alan G. Osborne; Andrew A. Clifton
- Book ID
- 104951676
- Publisher
- Springer Vienna
- Year
- 1991
- Tongue
- English
- Weight
- 215 KB
- Volume
- 122
- Category
- Article
- ISSN
- 0026-9247
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Triorganometal chlorides, R3MCl (R = alkyl, aryl; M = Si, Sn) are readily coupled to form bimetallics in 42-95% yields using Li wire and ultrasound. Dihalosilanes give good yields of cyclic polysilanes.
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