Transition metal-catalyzed tandem reactions of ynamides for divergent N-heterocycle synthesis

FL Hong, LW Ye - Accounts of Chemical Research, 2020 - ACS Publications
Conspectus Ynamides are electron-rich heteroatom-substituted alkynes with a C–C triple
bond directly attached to the amide group. Importantly, this amide group is able to impose an …

Ynamides: a modern functional group for the new millennium

KA DeKorver, H Li, AG Lohse, R Hayashi, Z Lu… - Chemical …, 2010 - ACS Publications
Alkynes represent one of the most important and versatile building blocks in organic
synthesis. Heteroatom-substituted alkynes, which can be considered as subgroups of …

Ynamides: versatile tools in organic synthesis

G Evano, A Coste, K Jouvin - … Chemie International Edition, 2010 - Wiley Online Library
Ynamides display an exceptionally fine balance between stability and reactivity. They also
offer unique and multiple opportunities for the inclusion of nitrogen‐based functionalities into …

Allenamides: a powerful and versatile building block in organic synthesis

T Lu, Z Lu, ZX Ma, Y Zhang, RP Hsung - Chemical reviews, 2013 - ACS Publications
In the past four decades, allenes have progressively risen from an unenviable status of
being a structural curiosity to becoming one of the most powerful and versatile synthetic …

Copper sulfate-pentahydrate-1, 10-phenanthroline catalyzed amidations of alkynyl bromides. Synthesis of heteroaromatic amine substituted ynamides

Y Zhang, RP Hsung, MR Tracey, KCM Kurtz… - Organic …, 2004 - ACS Publications
A practical cross-coupling of amides with alkynyl bromides using catalytic CuSO4⊙ 5H2O
and 1, 10-phenanthroline is described here. This catalytic protocol is more environmentally …

The emergence of allenamides in organic synthesis

L Wei, H Xiong, RP Hsung - Accounts of chemical research, 2003 - ACS Publications
The Emergence of Allenamides in Organic Synthesis | Accounts of Chemical Research ACS
ACS Publications C&EN CAS Find my institution Log In Accounts of Chemical Research ACS …

Recent advances in the chemistry of ynamines and ynamides

CA Zificsak, JA Mulder, RP Hsung, C Rameshkumar… - Tetrahedron, 2001 - Elsevier
Alkynes are among the most important building blocks in organic synthesis. The richness of
this functional group renders it extremely versatile as a synthon for a diverse array of modern …

A copper-catalyzed C− N bond formation involving sp-hybridized carbons. A direct entry to chiral ynamides via N-alkynylation of amides

MO Frederick, JA Mulder, MR Tracey… - Journal of the …, 2003 - ACS Publications
A copper-catalyzed new C− N bond formation involving a sp-hybridized carbon is described
here leading to a facile entry for syntheses of chiral ynamides. This direct N-alkynylation of …

Copper(II)-Catalyzed Amidations of Alkynyl Bromides as a General Synthesis of Ynamides and Z-Enamides. An Intramolecular Amidation for the Synthesis of …

X Zhang, Y Zhang, J Huang, RP Hsung… - The Journal of …, 2006 - ACS Publications
A general and efficient method for the coupling of a wide range of amides with alkynyl
bromides is described here. This novel amidation reaction involves a catalytic protocol using …

Enantioselective gold catalyzed dearomative [2+ 2]-cycloaddition between indoles and allenamides

M Jia, M Monari, QQ Yang, M Bandini - Chemical Communications, 2015 - pubs.rsc.org
The highly enantioselective synthesis of densely functionalized 2, 3-indoline-cyclobutanes
by means of chiral gold catalysis is presented. Intermolecular formal [2+ 2]-cycloaddition …