Catalytic asymmetric hydrogenation using a [2.2]paracyclophane based chiral 1,2,3-triazol-5-ylidene–Pd complex under ambient conditions and 1 atmosphere of H<sub>2</sub>
作者:Ayan Dasgupta、Venkatachalam Ramkumar、Sethuraman Sankararaman
DOI:10.1039/c5ra03021h
日期:——
Chiral 1,2,3-triazol-5-ylidene–Pd complexes with the planar chiral [2.2]paracyclophane wing tip group have been synthesized and structurally characterized. The complex with a labile acetonitrile co-ligand is an excellent catalyst for chemoselective hydrogenation of alkynes and alkenes and enantioselective hydrogenation of prochiral alkenes at ambient conditions and 1.0 atmosphere of H2.
具有平面手性[2.2]对环环糊精翼尖基团的手性1,2,3-三唑-5-亚烷基-Pd配合物已经合成并在结构上进行了表征。具有不稳定的乙腈共配体的配合物是在环境条件和1.0大气压的H 2下炔烃和烯烃的化学选择性加氢和前手性烯烃的对映选择性加氢的极佳催化剂。