4.5 Article

An Alternative Synthesis of Cycloalkyl-Substituted CPA Catalysts and Application in Asymmetric Protonation Reactions**

相关参考文献

注意:仅列出部分参考文献,下载原文获取全部文献信息。
Article Chemistry, Multidisciplinary

Catalytic and Enantioselective Control of the C-N Stereogenic Axis via the Pictet-Spengler Reaction

Ahreum Kim et al.

Summary: A novel chiral phosphoric acid-catalyzed atroposelective Pictet-Spengler reaction of N-arylindoles has been reported, resulting in highly enantioenriched N-aryl-tetrahydro-beta-carbolines with axial chirality. The introduction of a hydrogen bond donor on the bottom aromatic ring, forming a secondary interaction with the phosphoryl oxygen, is crucial for achieving high enantioselectivity. The transformation is tolerant to a wide variety of substituents and can provide products with up to 98% ee.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Chemistry, Multidisciplinary

Chiral Phosphoric Acid Dual-Function Catalysis: Asymmetric Allylation with α-Vinyl Allylboron Reagents

Gao Shang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Chemistry, Multidisciplinary

Catalytic Enantioselective Synthesis of alpha-Chiral Azaheteroaryl Ethylamines by Asymmetric Protonation

Chao Xu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

Article Chemistry, Multidisciplinary

Catalytic Enantioselective Aza-pinacol Rearrangement

Yuanyuan Yu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2017)

Article Chemistry, Multidisciplinary

Enantioselective Oxetane Ring Opening with Chloride: Unusual Use of Wet Molecular Sieves for the Controlled Release of HCl

Wen Yang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

Review Chemistry, Multidisciplinary

Stronger Bronsted Acids: Recent Progress

Takahiko Akiyama et al.

CHEMICAL REVIEWS (2015)

Article Chemistry, Multidisciplinary

Direct Asymmetric Amination of α-Branched Cyclic Ketones Catalyzed by a Chiral Phosphoric Acid

Xiaoyu Yang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

Article Chemistry, Multidisciplinary

Enantioselective 1,1-Arylborylation of Alkenes: Merging Chiral Anion Phase Transfer with Pd Catalysis

Hosea M. Nelson et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

Review Chemistry, Multidisciplinary

Asymmetric Ion-Pairing Catalysis

Katrien Brak et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2013)

Review Chemistry, Multidisciplinary

Asymmetric Counteranion-Directed Catalysis: Concept, Definition, and Applications

Manuel Mahlau et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2013)

Article Chemistry, Multidisciplinary

Enantioselective Organocatalytic Fluorination-Induced Wagner-Meerwein Rearrangement

Fedor Romanov-Michailidis et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2013)

Article Chemistry, Multidisciplinary

Enantioselective Synthesis of Highly Substituted Furans by a Copper(II)-Catalyzed Cycloisomerization-Indole Addition Reaction

Vivek Rauniyar et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2011)

Review Chemistry, Multidisciplinary

Chiral Phosphoric Acids as Versatile Catalysts for Enantioselective Carbon-Carbon Bond Forming Reactions

Masahiro Terada

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN (2010)

Article Chemistry, Organic

Synthesis of TRIP and Analysis of Phosphate Salt Impurities

Martin Klussmann et al.

SYNLETT (2010)

Review Chemistry, Multidisciplinary

Stronger bronsted acids

Takahiko Akiyama

CHEMICAL REVIEWS (2007)

Review Chemistry, Applied

Recent progress in chiral Bronsted acid catalysis

Takahiko Akiyama et al.

ADVANCED SYNTHESIS & CATALYSIS (2006)