Asymmetric dearomatization catalysed by chiral Brønsted acids via activation of ynamides
YQ Zhang, YB Chen, JR Liu, SQ Wu, XY Fan… - Nature Chemistry, 2021 - nature.com
Chiral Brønsted acid-catalysed asymmetric synthesis has received tremendous interest over
the past decades, and numerous efficient synthetic methods have been developed based on …
the past decades, and numerous efficient synthetic methods have been developed based on …
N-Triflylphosphoramides: highly acidic catalysts for asymmetric transformations
G Caballero-García, JM Goodman - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
N-Triflylphosphoramides (NTPA), have become increasingly popular catalysts in the
development of enantioselective transformations as they are stronger Brønsted acids than …
development of enantioselective transformations as they are stronger Brønsted acids than …
Enantioselective organocatalysis and superacid activation: challenges and opportunities
B Michelet, A Martin‐Mingot… - … A European Journal, 2023 - Wiley Online Library
Since the pioneer reports of the groups of Akiyama and Terada on Brønsted acid
organocatalysis, this field never stopped growing with the development of ingenious …
organocatalysis, this field never stopped growing with the development of ingenious …
Strong and confined acids catalyze asymmetric intramolecular hydroarylations of unactivated olefins with indoles
P Zhang, N Tsuji, J Ouyang, B List - Journal of the American …, 2021 - ACS Publications
In recent years, several organocatalytic asymmetric hydroarylations of activated, electron-
poor olefins with activated, electron-rich arenes have been described. In contrast, only a few …
poor olefins with activated, electron-rich arenes have been described. In contrast, only a few …
A powerful chiral super brønsted C–H acid for asymmetric catalysis
B Peng, J Ma, J Guo, Y Gong, R Wang… - Journal of the …, 2022 - ACS Publications
A new type of chiral super Brønsted C–H acids, BINOL-derived phosphoryl bis
((trifluoromethyl) sulfonyl) methanes (BPTMs), were developed. As compared to widely …
((trifluoromethyl) sulfonyl) methanes (BPTMs), were developed. As compared to widely …
Role of noncovalent interactions in inducing high enantioselectivity in an alcohol reductive deoxygenation reaction involving a planar carbocationic intermediate
S Ghosh, A Changotra, DA Petrone… - Journal of the …, 2023 - ACS Publications
The involvement of planar carbocation intermediates is generally considered undesirable in
asymmetric catalysis due to the difficulty in gaining facial control and their intrinsic stability …
asymmetric catalysis due to the difficulty in gaining facial control and their intrinsic stability …
Discrimination of the Enantiotopic Faces of Structurally Unbiased Carbenium Ions Employing a Cyclohexadiene‐Based Chiral Hydride Source
B Wolff, ZW Qu, S Grimme… - Angewandte Chemie …, 2023 - Wiley Online Library
An enantioselective reduction of simple carbenium ions with cyclohexadienes containing a
hydridic C− H bond at an asymmetrically substituted carbon atom is disclosed. The net …
hydridic C− H bond at an asymmetrically substituted carbon atom is disclosed. The net …
Catalytic Enantioselective Synthesis of 2, 3′-Bis (indolyl) methanes Bearing All-Carbon Quaternary Stereocenters via 2-Indole Imine Methides
Z Han, W Wang, H Zhuang, J Wang, C Wang… - Organic …, 2023 - ACS Publications
An organocatalytic enantioselective formal hydroarylation of 2-vinyl indoles for the
preparation of enantioenriched 2, 3′-bis (indolyl) methanes bearing an all-carbon …
preparation of enantioenriched 2, 3′-bis (indolyl) methanes bearing an all-carbon …
B(C6F5)3/Chiral Phosphoric Acid Catalyzed Ketimine–Ene Reaction of 2‐Aryl‐3H‐indol‐3‐ones and α‐Methylstyrenes
The enantioselective ketimine–ene reaction is one of the most challenging stereocontrolled
reaction types in organic synthesis. In this work, catalytic enantioselective ketimine–ene …
reaction types in organic synthesis. In this work, catalytic enantioselective ketimine–ene …
Enantioselective Construction of Consecutive Tetrasubstituted Stereogenic Centers by Reaction of α-Substituted β-Nitroacrylates with Oxazol-5-(4H)-ones Catalyzed …
K Fujita, M Hattori, T Takehara, T Suzuki… - Organic …, 2023 - ACS Publications
The enantioselective reaction of α-substituted β-nitroacrylates with oxazol-5-(4 H)-ones
(oxazolones) to construct consecutive tetrasubstituted stereogenic centers was …
(oxazolones) to construct consecutive tetrasubstituted stereogenic centers was …