Bifunctional amine‐squaramides: powerful hydrogen‐bonding organocatalysts for asymmetric domino/cascade reactions

P Chauhan, S Mahajan, U Kaya… - … Synthesis & Catalysis, 2015 - Wiley Online Library
Organocatalytic domino/cascade reactions provide a convenient method for the construction
of complex molecular structures bearing multiple stereocenters in a highly stereoselective …

Asymmetric organocatalysis combined with metal catalysis: concept, proof of concept, and beyond

DF Chen, ZY Han, XL Zhou… - Accounts of chemical …, 2014 - ACS Publications
Conspectus Asymmetric catalysis has been considered to be the most intriguing means for
building collections of functionalized optically active compounds. In particular, metal and …

Organo/transition-metal combined catalysis rejuvenates both in asymmetric synthesis

DF Chen, LZ Gong - Journal of the American Chemical Society, 2022 - ACS Publications
Since its advent two decades ago, asymmetric organo/transition-metal combined catalysis
(AOMC), including cooperative catalysis and relay catalysis, has leveraged redistribution of …

Homologation reaction of ketones with diazo compounds

NR Candeias, R Paterna, PMP Gois - Chemical reviews, 2016 - ACS Publications
This review covers the addition of diazo compounds to ketones to afford homologated
ketones, either in the presence or in the absence of promoters or catalysts. Reactions with …

Small rings in the bigger picture: ring expansion of three-and four-membered rings to access larger all-carbon cyclic systems

B Biletskyi, P Colonna, K Masson, JL Parrain… - Chemical Society …, 2021 - pubs.rsc.org
The release of the inherent ring strain of cyclobutane and cyclopropane derivatives allows a
rapid build-up of molecular complexity. This review highlights the state-of-the-art of the ring …

Asymmetric azide–alkyne cycloaddition with Ir (I)/squaramide cooperative catalysis: atroposelective synthesis of axially chiral aryltriazoles

X Zhang, S Li, W Yu, Y Xie, CH Tung… - Journal of the American …, 2022 - ACS Publications
An Ir (I)/squaramide cooperative catalytic strategy for atroposelective synthesis of axially
chiral aryltriazoles has been developed for the first time. Diverse structurally novel …

Enantioselective Construction of Quaternary Stereocenters via A Chiral Spiro Phosphoric Acid-Assisted Formal Gold Carbene gem-Dialkylation Reaction

K Chen, S Zhou, C Li, S Dong, K Hong… - Journal of the American …, 2024 - ACS Publications
Enantioselective construction of all-carbon quaternary stereocenters has attracted much
attention over the past few decades. A variety of catalytic asymmetric methods have been …

Asymmetric Triple Relay Catalysis: Enantioselective Synthesis of Spirocyclic Indolines through a One‐Pot Process Featuring an Asymmetric 6π Electrocyclization

XP Yin, XP Zeng, YL Liu, FM Liao, JS Yu… - Angewandte …, 2014 - Wiley Online Library
A rare example of a one‐pot process that involves asymmetric triple relay catalysis is
reported. The key step is an asymmetric [1, 5] electrocyclic reaction of functionalized …

Asymmetric semipinacol rearrangement enabled by copper-catalyzed propargylic alkylation

F Gong, X Meng, S Lan, J Liu, S Yang, X Fang - ACS Catalysis, 2022 - ACS Publications
The merger of two powerful synthetic strategies, ie, asymmetric semipinacol-type
rearrangement and transition-metal-catalyzed propargylic alkylation, has been achieved …

C H Functionalization/Asymmetric Michael Addition Cascade Enabled by Relay Catalysis: Metal Carbenoid Used for C C Bond Formation

DF Chen, F Zhao, Y Hu, LZ Gong - … Chemie International Edition, 2014 - Wiley Online Library
A combination of either ruthenium (II) or rhodium (II) complexes and quinine‐derived
squaramide enables 3‐diazooxindoles, indoles, and nitroalkenes to undergo highly efficient …