A chiral triaminosulfonium salt: design and application to catalytic asymmetric synthesis
β Scribed by Yoshichika Kuroki; Katsuhiko Iseki
- Book ID
- 104262502
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- French
- Weight
- 280 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
The first chiral triaminosulfonium salt, tris((S,S)-3,4-diphenylpyrrolidino)sulfonium difluorotriphenylstannate, catalyzes trifluoromethylation of benzaldehyde with (trifluoromethyl)trimethylsilane to give the corresponding optically active alcohol with 52% ee.
π SIMILAR VOLUMES
S,S)-H,N-Bis(-a-methylbenzyl)formamide is the first example of chiral formamides that function as Lewis base catalysts to effectively serve catalytic asymmetric synthesis. The chiral fommamide in combivmlon with an additive, HMPA, catalyzes allylations of aliphatJc aldehydes with allyi-and crotyltri
## Abstract A new chiral aminophosphine ligand 6,6β²βdimethoxyβ2,2β²βbis(diphenylphosphinoamino) biphenyl (DMBDPPABP) was prepared and its rhodium complex was found to be an effective catalyst for the asymmetric hydrogenation of amidoacrylic add and its derivatives. The effects of solvent and reactio