期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 354, 期 1, 页码 59-64出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201100692
关键词
asymmetric hydrogenation; iridium; phosphorylated sulfonimidamides (SIAPhos); SIAPhos (phosphorylated sulfonimidamides); sulfonimidamides; sulfur chirality
资金
- NRSC-C
- BASF
- EZ
- Fonds der Chemischen Industrie
- Council for the Chemical Sciences of The Netherlands Organization for Scientific Research (CW-NWO)
Phosphorylated sulfonimidamides (SIAPhos) undergo ion exchange reactions with cationic complexes, [Rh(cod)2BF4] and [Ir(cod)2BarF], or neutral complexes [Rh(cod)Cl]2 and [Ir(cod)Cl]2, leading to unprecedented neutral complexes with P-N-S-N chelates. Use of the resulting neutral iridium complexes in asymmetric hydrogenation reactions of tri- and tetrasubstituted enamides leads to products with high enantioselectivities (up to 92% ee).
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