Catalytic carbene/alkyne metathesis (CAM): a versatile strategy for alkyne bifunctionalization

C Pei, C Zhang, Y Qian, X Xu - Organic & Biomolecular Chemistry, 2018 - pubs.rsc.org
Metal carbene, as a reactive intermediate, has shown versatile applications in modern
organic synthesis. One of the priorities in this area is exploration of stable carbene …

Recent advances in catalytic alkyne transformation via copper carbene intermediates

K Dong, M Liu, X Xu - Molecules, 2022 - mdpi.com
As one of the abundant and inexpensive metals on the earth, copper has demonstrated
broad applications in synthetic chemistry and catalysis. Among these copper-catalyzed …

trans-Hydrogenation, gem-Hydrogenation, and trans-Hydrometalation of Alkynes: An Interim Report on an Unorthodox Reactivity Paradigm

A Fürstner - Journal of the American Chemical Society, 2018 - ACS Publications
cis-Delivery of H2 to the π-system of an unsaturated substrate is the canonical course of
metal catalyzed hydrogenation reactions. The semireduction of internal alkynes with the aid …

Half-Sandwich Ruthenium Carbene Complexes Link trans-Hydrogenation and gem-Hydrogenation of Internal Alkynes

A Guthertz, M Leutzsch, LM Wolf, P Gupta… - Journal of the …, 2018 - ACS Publications
The hydrogenation of internal alkynes with [Cp* Ru]-based catalysts is distinguished by an
unorthodox stereochemical course in that E-alkenes are formed by trans-delivery of the two …

Stereodivergent Synthesis of N‐Heterocycles by Catalyst‐Controlled, Activity‐Directed Tandem Annulation of Diazo Compounds with Amino Alkynes

K Liu, C Zhu, J Min, S Peng, G Xu… - Angewandte Chemie …, 2015 - Wiley Online Library
A stereodivergent synthesis of five‐membered N‐heterocycles, such as 2, 3‐
dihydropyrroles, and 2‐methylene and 3‐methylene pyrrolidines, has been developed …

C–H Insertion via Ruthenium Catalyzed gem-Hydrogenation of 1,3-Enynes

S Peil, A Gutiérrez González, M Leutzsch… - Journal of the …, 2022 - ACS Publications
gem-Hydrogenation of an internal alkyne with the aid of [Cp* RuCl] 4 as the precatalyst is a
highly unorthodox transformation, in which one C atom of the triple bond is transformed into …

Ketones and Aldehydes as O-Nucleophiles in Iridium-Catalyzed Intramolecular Asymmetric Allylic Substitution Reaction

Y Wang, WY Zhang, SL You - Journal of the American Chemical …, 2019 - ACS Publications
Ketones and aldehydes are employed as enol O-nucleophiles in an iridium-catalyzed
asymmetric allylic substitution reaction. The reaction proceeds well in the presence of a well …

Synthesis of Bicyclic N-Heterocycles via Photoredox Cycloaddition of Imino-Alkynes and Imino-Alkenes

H Oh, B Ryou, J Park, M Kim, JH Choi, CM Park - ACS Catalysis, 2021 - ACS Publications
Cycloaddition reactions offer great advantages regarding atom and step economy for the
construction of various carbocycles and heterocycles. While the recent development based …

Generation of endocyclic vinyl carbene complexes via gold-catalyzed oxidative cyclization of terminal diynes: toward naphthoquinones and carbazolequinones

C Shu, CY Shi, Q Sun, B Zhou, TY Li, Q He, X Lu… - ACS …, 2018 - ACS Publications
Carbene cascade reactions involving carbene/alkyne metathesis have attracted much
attention over the past decades because this chemistry offers great potential to build …

Selective C(sp3)–H Bond Insertion in Carbene/Alkyne Metathesis Reactions. Enantioselective Construction of Dihydroindoles

K Dong, C Pei, Q Zeng, H Wei, MP Doyle, X Xu - ACS Catalysis, 2018 - ACS Publications
A general access to chiral dihydroindole derivatives in high yields is achieved by C–H
functionalization in a highly site-and enantioselective cascade reaction of propargyl …