The Rh-catalyzed hydrosilylation of butadiynes to chiral allenes in the presence of chiral phosphine ligands is d~scribed. For the first time an enantiomeric excess of 22% was achieved using PPM ligand ((2S,4S)-(-)-4-(diphenylphosphino)-2-(diphenylphosphinomethyl)-pyrrolidine).
โฆ LIBER โฆ
A new asymmetric synthesis of optically active allenes via metal catalyzed hydrosilylation
โ Scribed by Annegret Tillack; Cornelia Koy; Dirk Michalik; Christine Fischer
- Book ID
- 108346648
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 135 KB
- Volume
- 603
- Category
- Article
- ISSN
- 0022-328X
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