作者:Richard J. Seacome、Martyn P. Coles、Jean E. Glover、Peter B. Hitchcock、Gareth J. Rowlands
DOI:10.1039/b923716j
日期:——
planar chiral heteroaryl monophosphines have been synthesised and studied. The phosphines are readily prepared from 4-imidazole[2.2]paracyclophane by selective deprotonation and reaction with the appropriate dialkylchlorophosphines. The planar chiral imidazole was constructed in four steps from readily available [2.2]paracyclophane. The 2-phosphino-N-[2.2]paracyclophanes were active in the Suzuki–Miyaura
已经合成和研究了两种平面手性杂芳基单膦。膦很容易从4-咪唑[2.2]对环环烷通过选择性去质子化并与适当的二烷基氯膦反应。平面手性咪唑可从四步中获得[2.2]对环。2-膦基-N- [2.2]对环环烷在芳基溴化物和氯化物的Suzuki-Miyaura偶联中具有活性。协调研究表明,固态的P,N螯合。这些研究为非对称耦合奠定了基础。