Ruthenium-catalyzed cycloadditions to form five-, six-, and seven-membered rings

RS Doerksen, T Hodik, G Hu, NO Huynh… - Chemical …, 2021 - ACS Publications
Ruthenium-catalyzed cycloadditions to form five-, six-, and seven-membered rings are
summarized, including applications in natural product total synthesis. Content is organized …

Evolution of Pauson-Khand Reaction: Strategic Applications in Total Syntheses of Architecturally Complex Natural Products (2016–2020)

S Chen, C Jiang, N Zheng, Z Yang, L Shi - Catalysts, 2020 - mdpi.com
Metal-mediated cyclizations are important transformations in a natural product total
synthesis. The Pauson-Khand reaction, particularly powerful for establishing …

Visible-Light-Driven Alkyne Hydro-/Carbocarboxylation Using CO2 via Iridium/Cobalt Dual Catalysis for Divergent Heterocycle Synthesis

J Hou, A Ee, W Feng, JH Xu, Y Zhao… - Journal of the American …, 2018 - ACS Publications
We present herein the first visible-light-driven hydrocarboxylation as well as
carbocarboxylation of alkynes using CO2 via an iridium/cobalt dual catalysis. Such …

Chiral ligand-modified metal nanoparticles as unique catalysts for asymmetric C–C bond-forming reactions: how are active species generated?

T Yasukawa, H Miyamura, S Kobayashi - ACS Catalysis, 2016 - ACS Publications
The use of chiral ligand-modified metal nanoparticles is a promising strategy for constructing
active and robust asymmetric catalyst systems. A recent advance in such catalyst systems for …

Carboxylate-Directed Addition of Aromatic C–H Bond to Aromatic Aldehydes under Ruthenium Catalysis

H Miura, S Terajima, T Shishido - ACS Catalysis, 2018 - ACS Publications
We report that ruthenium complexes effectively catalyzed the carboxylate-directed addition
of aromatic C–H bonds to aldehydes. The reactions of aromatic acids with a variety of …

Iterative supervised principal component analysis driven ligand design for regioselective Ti-catalyzed pyrrole synthesis

XY See, X Wen, TA Wheeler, CK Klein… - ACS …, 2020 - ACS Publications
The rational design of catalysts remains a challenging endeavor within the broader chemical
community owing to the myriad variables that can affect key bond-forming events. Designing …

Ruthenium-catalyzed addition of aromatic amides to internal alkynes and subsequent intramolecular cyclization for the atom-economical synthesis of isoindolinones

H Miura, S Terajima, K Tsutsui… - The Journal of organic …, 2017 - ACS Publications
A selective and atom-economical synthesis of isoindolinones is described. This novel
synthetic strategy involves two catalytic reactions: the ruthenium-catalyzed regioselective …

Rhodium (i)-catalyzed Pauson–Khand-type reaction using formic acid as a CO surrogate: an alternative approach for indirect CO 2 utilization

XD Lang, F You, X He, YC Yu, LN He - Green Chemistry, 2019 - pubs.rsc.org
Formic acid is found to be an ideal CO surrogate for the rhodium (I)-catalyzed Pauson–
Khand-type (PK-type) reaction of various substituted 1, 6-enynes to afford bicyclic …

Regiodivergent synthesis of butenolide-based α-and β-amino acid derivatives via base-controlled azirine ring expansion

PA Sakharov, NV Rostovskii, AF Khlebnikov… - Organic …, 2020 - ACS Publications
A method for the preparation of 5-aminobutenolides from 2-bromo-2 H-azirine-2-carboxylic
esters/amides with arylacetic acids has been developed. The reaction regioselectivity can …

A copper (I)-catalyzed addition/annulation sequence for the two-component synthesis of γ-ylidenebutenolides

S Seo, MC Willis - Organic letters, 2017 - ACS Publications
A highly efficient Cu (I)-catalyzed addition/annulation sequence has been developed for the
synthesis of (Z)-ylidenebutenolides employing readily available α-ketoacids and alkynes as …