Asymmetric Hydroarylation of Enones via Nickel-Catalyzed 5-<i>Endo-Trig</i> Cyclization
作者:Xurong Qin、Marcus Wen Yao Lee、Jianrong Steve Zhou
DOI:10.1021/acs.orglett.9b02130
日期:2019.8.2
A nickel-catalyzed reductivecyclization of enones affords a wide array of indanones in high enantiomeric induction. The reaction is featured with an unprecedented broad scope of substrates. The versatility of the new method is demonstrated in several short stereoselective syntheses of medically valuable (R)-tolterodine, parent and deuterated (+)-indatraline, and an antitumor natural product, (+)-multisianthol
Enantioselective Synthesis of Chiral 3-Aryl-1-indanones through Rhodium-Catalyzed Asymmetric Intramolecular 1,4-Addition
作者:Yue-Na Yu、Ming-Hua Xu
DOI:10.1021/jo302656s
日期:2013.3.15
Enantioselective synthesis of potentially useful chiral 3-aryl-1-indanones was achieved through a rhodium-catalyzedasymmetric intramolecular 1,4-addition of pinacolborane chalcone derivatives using extraordinary simple MonoPhos as chiral ligand under relatively mild conditions. This novel protocol offers an easy access to a wide variety of enantioenriched 3-aryl-1-indanone derivatives in high yields
Continuous‐Flow Enantioselective Hydroacylations under Heterogeneous Chiral Rhodium Catalysts
作者:Yuki Saito、Shū Kobayashi
DOI:10.1002/anie.202313778
日期:2024.1.2
Heterogeneous chiral Rh catalysts were developed for continuous-flow enantioselective hydroacylations. The prepared catalysts exhibited excellent activity and enantioselectivity affording optically active ketones in quantitative yields with 99 % ee's without the leaching of Rh. The catalysts exhibited a wide substrate scope and, in sequential-flow reactions, the flow syntheses of value-added chemicals
开发了用于连续流对映选择性加氢酰化的非均相手性 Rh 催化剂。所制备的催化剂表现出优异的活性和对映选择性,以定量产率提供光学活性酮,其 ee 为 99%,且没有 Rh 浸出。该催化剂表现出广泛的底物范围,并且在顺序流动反应中,证明了增值化学品的流动合成。