已经报道了使用现成的 R f -I 试剂对未活化烯烃进行铜催化级联双官能化以构建 C sp 3 -CF 2 /C-C 键。该策略提供了一种以合理的收率方便地获得各种有用的全氟烷基化三环咪唑衍生物的途径。初步的机理研究表明,目前的反应可能经历自由基/SET(单电子转移)途径。该转化条件温和、操作简单、原子经济、底物适用范围广。
[EN] NEW CYCLOHEXYL AND QUINUCLIDINYL CARBAMATE DERIVATIVES HAVING BETA2 ADRENERGIC AGONIST AND M3 MUSCARINIC ANTAGONIST ACTIVITY<br/>[FR] NOUVEAUX DÉRIVÉS DE CYCLOHEXYL ET QUINUCLIDINYL CARBAMATE AYANT UNE ACTIVITÉ D'AGONISTE ADRÉNERGIQUE BETA2 ET UNE ACTIVITÉ D'ANTAGONISTE MUSCARINIQUE M3
申请人:ALMIRALL SA
公开号:WO2014095920A8
公开(公告)日:2015-12-23
Enantioselective Ni–Al Bimetallic Catalyzed <i>exo</i>-Selective C–H Cyclization of Imidazoles with Alkenes
作者:Yin-Xia Wang、Shao-Long Qi、Yu-Xin Luan、Xing-Wang Han、Shan Wang、Hao Chen、Mengchun Ye
DOI:10.1021/jacs.8b02547
日期:2018.4.25
A Ni-Al bimetallic catalyzed enantioselective C-H exo-selective cyclization of imidazoles with alkenes has been developed. A series of bi- or polycyclic imidazoles with beta-stereocenter were obtained in up to 98% yield and >99% ee. The bifunctional SPO ligand-promoted bimetallic catalysis proved to be critical to this challenging stereocontrol.
CYCLOHEXYL AND QUINUCLIDINYL CARBAMATE DERIVATIVES HAVING BETA2 ADRENERGIC AGONIST AND M3 MUSCARINIC ANTAGONIST ACTIVITIES .