We herein report the first example of iridium-catalyzed enantioselective C(sp3)-H borylation of cyclo-butanes using benzoxazoline as the directing group.The combination of a chiral bidentate boryl ligand and an iridium precursor has found to effectively catalyze C(sp3)-H borylation to afford a ...
1. The recent progresses in iridium-catalyzed asymmetric hydrogenation reactions of carbon-carbon, carbon-oxygen and carbon-nitrogen double bonds are reviewed in this paper. 铱催化不对称氢化反应是形成碳碳、碳氮和碳氧键的重要合成方法。更多例句>> 2) iridium catalyst 铱催化剂 例句>> ...
ChemInform Abstract: Iridium-Catalyzed [5 + 1] Cycloaddition: Allenylcyclopropane as a Five-Carbon Assembling Unit. Minoru Ubukata,Itaru Tsuji,Yoshihiko Ito.Iridium-Catalyzed [5 + 1] Cycloaddition: Allenylcyclopropane as a Five-Carbon Assembling Unit.Journal of Organic ... M Murakami,K Itami,M ...
Herein we report our findings leading to an iridium-catalyzed reductive Ugi-type MCR of tertiary amides, isocyanide and (thio)acetic acid or trimethylsilyl azide (TMSN3), affording α-amino (thio)amide and α-amino tetrazole structures respectively. Results Optimization study As a proof-of-concept...
Iridium-Catalyzed Asymmetric Ring-Opening ofsu:铱催化不对称开环ofSU铱,of,铱,铱催化,不对称开环,Ring,催化不对称,铱催化,不对称,ring 文档格式: .pdf 文档大小: 400.29K 文档页数: 10页 顶/踩数: 0/0 收藏人数: 0 评论次数: 0 文档热度: ...
Iridium-Catalyzed Enantioselective Allylic Substitution of Unstabilized Enolates Derived from α,β-Unsaturated Ketones Iridium‐Catalyzed Enantioselective Allylic Substitution of Unstabilized Enolates Derived from α,β‐Unsaturated KetonesWe report Ir-catalyzed, enantioselective ... Ming Chen,John F. Hartwig...
Based on the optimal conditions for our iridium-catalyzed DARA, firstly the scope of aromatic ketones was probed with 3-phenylpropylamine2as a representative amine partner applying 0.05 mol% the in situ generated iridium catalyst (Fig.3a). In cases the enantiomers of the products were unable...
A novel process has been developed for the construction ω-hydroxy homoallylic alcohols via the iridium-catalyzed reaction of α,ω-diols with 2-alkynes such as 1-arylprop-1-ynes. 关键词: iridium catalyst ω-hydroxy homoallylic alcohol diol transfer hydrogenation 1-arylprop-1-yne DOI: 10.1055...
Iridium(III)-catalyzed regioselective direct arylation of sp2 C–H bonds with diaryliodonium salts A regioselective direct arylation of arenes and olefins at the ortho position is reported. The key to the high selectivity is the appropriate choice of diaryliodonium salts as the arylating reagent in ...
Iridium(III)-Catalyzed Enantioselective Si−H Bond Insertion and Formation of an Enantioenriched Silicon Center 来自 Semantic Scholar 喜欢 0 阅读量: 37 作者: HSK Yoichi Yasutomi 摘要: Recently, synthetic application of the compounds possessing silylngroup(s) has been rapidly increasing,1 and the ...